# Index

### Symbols

.eps, Import from PostScript
.gif, Export Image as GIF
.jpeg, Export Image as JPEG
.jpg, Export Image as JPEG
.pdf, Import from PDF
.png, Glossary
.ps, Import from PostScript
.psd, Glossary
.xcf, Glossary
.xcf.gz, Glossary
3D Transform, 3D Transform
8-bit, 16-bit, 32-bit, Advanced Options

### A

Abyss Policy, Options
Aces RRT, Aces RRT
Acquire, Create
Add Alpha channel, Add Alpha Channel
Add Bevel, Add Bevel
Add Border, Add Border
Addition, Lighten Layer Modes, Legacy Layer Modes
Airbrush, Airbrush
Alien Map, Alien Map
Align and Distribute, Align and Distribute
Align visible layers, Align Visible Layers…
Alpha, Glossary
Alpha Channel, Layer Properties
Alpha channel, Glossary
Anchor Floating Layer or Mask, Anchor Floating Layer or Mask
Animation
  Animated GIF options, Export Image as GIF
  Creating an animated brush, Creating animated brushes
  Optimize, Optimize
  Playback, Playback
Anti-alias, Antialias
Anti-aliasing
  Explanation, Glossary
  Preserve anti-aliasing, Semi-Flatten
Apply Layer Masks (command), Apply Layer Masks
Apply Lens, Apply Lens
Assign Color Profile, Assign Color Profile

### B

Background color, Foreground/Background Colors Area
Background layer, Layer Properties
Basic Setup, Main Windows
Bayer Matrix, Bayer Matrix
Behind (paint mode), Paint Mode Examples
Bevel, Bevel
Bézier curve, Paths
Black point, Levels
Black Point Compensation, Black Point Compensation, Black Point Compensation
Blend, Blend
Blending Modes, Layer Modes
Blinds, Blinds
Bloom, Bloom
Blur/Sharpen, Blur/Sharpen
BMP, Glossary
Border, Border
Border Average, Border Average
bpp, Glossary
Browser
  Plug-in, Plug-In Browser
  Procedure, The Procedure Browser
Brush, Pattern, Gradient area
  Preferences, Options
Brushes, Brushes Dialog
  Add New, Adding New Brushes
  Animated brushes
    Introduction, Brushes
  Changing brush size, Changing brush size
  Clipboard brush, The Clipboard Brush
  Color, Brushes
  Dialog, Brushes Dialog
  File formats, Adding New Brushes
  Filter brush, Further Information
  History brush, Further Information
  Introduction, Brushes
  Ordinary, Brushes
  Parametric, Brushes
  Toolbox Indicator Area, Brush/Pattern/Gradient Area
Bucket Fill, Bucket Fill
Buffers
  Copy named, Buffers Dialog
  Cut named, Buffers Dialog
  Dialog, Buffers Dialog
  Named Buffers: Cut/Copy/Paste, Buffer
  Paste named, Buffers Dialog
Bugs, Reporting Bugs and Requesting Enhancements
Bump Map, Bump Map
Burn, Darken Layer Modes, Legacy Layer Modes
Burn-In, Burn-In

### C

Cage, Cage Transform
Calibrate monitor, Display
Canvas
  effect, Apply Canvas
  Fit canvas size to layers, Fit Canvas to Layers
  Fit canvas size to selection, Fit Canvas to Selection
  Padding color, Padding Color
  Size, Canvas Size
  Snap to canvas, Snap to Canvas
Canvas boundary
  Show/mask canvas boundary, Show Canvas Boundary
Canvas effect, Apply Canvas
Canvas Interaction
  Preferences, Canvas Interaction, Canvas Interaction Modifiers
Cartoon, Cartoon
Center Image in Window, Center Image in Window
Channel, Basic Concepts, Glossary
  Channel mask, Selection masks
  Channel to Selection, Using the Channels Dialog
  Create a New Channel Mask, Using the Channels Dialog
  Delete Channel Mask, Using the Channels Dialog
  Dialog, Channels Dialog
  Duplicate Channel Mask, Using the Channels Dialog
  Edit Channel Attributes, Using the Channels Dialog
  Move Channel Mask, Using the Channels Dialog
Channel encoding, Glossary
Channel Mixer, Channel Mixer
Channels
  Menu, Channels Context Menu
Checkerboard, Checkerboard
Checkerboard (legacy), Checkerboard (legacy)
CIE lch Noise, CIE lch Noise
Circuit, Circuit
Circular Motion Blur, Circular Motion Blur
Clear, Clear
Clip Warning, Clip Warning
Clipboard Brush, The Clipboard Brush
Clipboard pattern, The Clipboard pattern
Clipping
  Transform, Options
Clone, Clone
Close View, Close View
Clothify, Clothify
CML Explorer, CML Explorer
CMYK, Glossary
Color, Color Management in GIMP, Glossary
  Additive color model, Glossary
  Dithering, Glossary
  Grab color, Color Picker
  HTML notation, Glossary
  Indexed colors, Glossary
  Merging layer Modes, Layer Modes
  Palettes, Palettes Dialog
  Palettes (color map), Palettes
  Saturation, Glossary
  Selection by color, Select By Colour
  Subtractive color synthesis, Glossary
  Value, Glossary
Color Area, Foreground/Background Colors Area
Color area
  Preferences, Options
Color Balance, Color Balance
Color depth, Glossary
Color Enhance, Color Enhance
Color Erase, Normal Layer Modes
Color Erase (paint mode), Paint Mode Examples
Color Exchange, Color Exchange
Color management, Display Calibration and Profiling
Color Management, Color Management, Options, Glossary
  Assign Color Profile, Assign Color Profile
  Black Point Compensation, Black Point Compensation
  Convert to Color Profile, Convert to Color Profile
  Discard Color Profile, Discard Color Profile
  Save Color Profile to File, Save Color Profile to File
  Soft-Proof Profile, Soft-Proof Profile
  Soft-Proofing Rendering Intent, Soft-Proofing Rendering Intent
  Submenu, “Color Management” Submenu
  Use sRGB Profile, Use sRGB Profile
Color model, Glossary
Color Picker, Color Picker
Color profile, Display Calibration and Profiling
Color Profile, Color Management
Color Selector, FG/BG Color Dialog
Color Temperature, Color Temperature
Color to Gray, Color to Gray
Color-Manage this View, Color-Manage this View
Colorize, Colorize
Colormap, Colormap Dialog
  Rearrange, Rearrange Colormap
  Set, Set Colormap
Colors
  Alien Map, Alien Map
  Border Average, Border Average
  Color enhance, Color Enhance
  Color to Gray, Color to Gray
  Components
    Channel mixer, Channel Mixer
    Compose, Compose
    Decompose, Decompose
    Extract Component, Extract Component
    Mono-mixer, Mono Mixer
    Recompose, Recompose
  Desaturate
    Desaturate, Desaturate
    Sepia, Sepia
  Destripe, Destripe
  Equalize, Equalize
  Exchange colors, Color Exchange
  Export Histogram, Export Histogram
  Fattal et al. 2002, Fattal et al. 2002
  Mantiuk 2006, Mantiuk 2006
  Map
    Gradient Map, Gradient Map
    Palette Map, Palette Map
  Reinhard 2005, Reinhard 2005
  Rotate, Rotate Colors
  Sample Colorize, Sample Colorize
  Smooth Palette, Smooth Palette
  Stress, Stress
  Stretch colors in HSV space, Stretch Contrast HSV
  Stretch contrast, Stretch Contrast
  Tone Mapping
    Retinex, Retinex
  White balance, White Balance
Colour
  Adjust level colors, Levels
  Color Balance, Color Balance
  Color display, Display Filters
  Deficient vision, Colour Deficient Vision
  Padding color of canvas, Padding Color
Colour Management, Colour Management
  Black Point Compensation, Black Point Compensation
  Color-Manage this View, Color-Manage this View
  Display Rendering Intent, Display Rendering Intent
  Mark Out Of Gamut Colors, Mark Out Of Gamut Colors
  Proof Colors, Proof Colors
  Reset, As in Preferences
Colour to Alpha, Colour to Alpha, Color to Alpha…
Colours
  Auto, The “Auto” Submenu
  Color Temperature, Color Temperature
  Colorize, Colorize
  Colour to Alpha, Color to Alpha…
  Components, The “Components” Submenu
  Desaturate, The “Desaturate” Submenu
  Dither, Dither
  Exposure, Exposure
  Hot, Hot…
  Hue-Chroma, Hue Chroma
  Info, The “Info” Submenu
  Invert, Invert
  Linear Invert, Linear Invert
  Local Threshold, Local Threshold
  Map, The “Map” Submenu
  Posterize, Posterize
  RGB Clip, RGB Clip
  Saturation, Saturation
  Shadows and Highlights, Shadows-Highlights
  Stretching, Automatic Color-Stretching
  Threshold, Threshold
  Tone Mapping, The “Tone Mapping” Submenu
  Value Invert, Value Invert
Command line Arguments, Command Line Arguments
Comment, Advanced Options
Compose, Compose
Composition guides, Options
Concepts, Basic Concepts
Context menus, Context Menus
Contrast, Contrast, Stretch Contrast
Convert to Color Profile, Convert to Color Profile
Convolution Matrix, Convolution Matrix
Copy Image Location, Copy Image Location
Copy Named, Buffers Dialog
Copy Visible, Copy Visible
Copy Visible (Layers), Copy Visible
Create Template, Create Template…
Crop, Crop
Crop Layers to Content, Crop Layers to Content
Crop to content, Crop Image
Crop to selection, Crop Image
CSS Keywords, Using the “FG/BG color” dialog
Cubism, Cubism
Curve Bend, Curve Bend
Curves, Curves
Customize
  Shortcuts, Creating Shortcuts to Menu Commands
  Splash-screen, Customize Splash-Screen
Cut, Cut
Cut Named, Buffers Dialog

### D

Darken only, Darken Layer Modes, Legacy Layer Modes
Dashboard, Dashboard
Data folders
  Preferences, Data Folders
Debugging, Debugging
Decompose, Decompose
Decor, Introduction
Deinterlace, Deinterlace
Depth Merge, Depth Merge
Desaturate, Desaturate
  Color to Gray, Color to Gray
Despeckle, Despeckle
Destripe, Destripe
Device Status, Device Status Dialog
Diagonal Neighbors, Fuzzy Selection (Magic wand)
Dialog
  Sample Points, Sample Points Dialog
  Symmetry Painting, Symmetry Painting Dialog
Dialogs
  Brushes, Brushes Dialog
  Buffers, Buffers Dialog
  Channels, Channels Dialog
  Color Selector, FG/BG Color Dialog
  Colormap, Colormap Dialog
  Device Status, Device Status Dialog
  Docking, Dialogs and Docking
  Document History, Document History Dialog
  Fonts, Fonts Dialog
  Gradient Dialog, Gradients Dialog
  Histogram, Histogram Dialog
  Images, Images Dialog
  Introduction, Dialog Introduction
  Layers, Layers Dialog
  MyPaint Brushes, MyPaint Brushes Dialog
  Palettes, Palettes Dialog
  Paths, Paths Dialog
  Patterns, Patterns Dialog
  Pointer, Pointer Dialog
  Preferences, Preferences Dialog
    Canvas Interaction, Canvas Interaction
    Color Management, Color Management
    Data folders, Data Folders
    Display, Display
    Folders, Folders
    Help System, Help System
    Image Windows, Image Windows, Image Window Appearance
    Interface, Interface
    Modifiers, Canvas Interaction Modifiers
    Title and Statusbar, Image Title and Statusbar Format
    Tool Options, Tool Options
    Toolbox, Toolbox
    Window management, Window Management
  Templates, Templates Dialog
  Undo History, Undo History Dialog
  Welcome, Welcome Dialog
Difference, Inversion Layer Modes, Legacy Layer Modes
Difference Clouds, Difference Clouds
Difference of Gaussians, Difference of Gaussians
Differential, Edge
Diffraction patterns (filter), Diffraction Patterns
Dilate, Dilate
Disable Layer Masks, Disable Layer Masks
Discard Color Profile, Discard Color Profile
Displace, Displace
Display
  Dot for Dot, Dot for Dot
  Full Screen, Full Screen
  Move to Screen, Move to Screen
  Preferences, Display
Display Rendering Intent, Display Rendering Intent
Display-referred, Glossary
Display-referred black , Glossary
Display-referred white, Glossary
Dissolve, Normal Layer Modes, Legacy Layer Modes
Distance Map, Distance Map
Distort Selection, Distort
Dither, Dither
Dithering, Glossary
Divide, Inversion Layer Modes, Legacy Layer Modes
Docking, Dialogs and Docking
Docks
  Add Tab, Tab Menu
  Add tab, A Brief Tutorial
  Close tab, Tab Menu
  Context Menu, Tab Menu
  Detach tab, Tab Menu
  Lock tab, Tab Menu
  Preview size, Tab Menu
  Tab menu, Tab Menu
  Tab style, Tab Menu
  View as List/Grid, Tab Menu
Document History, Document History Dialog
  Menu, Document History Context Menu
Dodge, Lighten Layer Modes, Legacy Layer Modes
Dodge/Burn, Dodge/Burn
Dot for dot, Options
Dot for Dot, Dot for Dot
Drawable, Introduction to Layers
Drop Shadow, Drop Shadow
Drop Shadow (legacy), Drop Shadow (legacy)
Duplicate, Duplicate
Duplicate Layers, Duplicate layers
Dynamics, Dynamics
  Menu, Dynamics Context Menu
Dynamics Matrix, The Paint Dynamics Matrix
Dynamics Options, Dynamics Options

### E

Edge, Edge
Edge feathering (Selections), Options
Edge-Detect, Introduction
Edit
  Paste as Floating Data, Paste as Floating Data
  Paste as Floating Data In Place, Paste as Floating Data In Place
Edit Layer Mask, Edit Layer Mask
Edit Template, Edit Template
Editor, Selection Editor
Ellipse Selection Tool, Ellipse Selection
Emboss, Emboss
Encoding, “Encoding” Submenu
Engrave, Engrave
Entering Unicode characters, Entering Unicode Characters
Equalize, Equalize
Erase, Normal Layer Modes
Eraser, Eraser
Erode, Erode
Error console, Error Console
Exclusion, Inversion Layer Modes
EXIF, Glossary
Export, Export… and Overwrite…
Export As, Export As…
Export File, Export File
Export File Formats, Export File Formats
Export File Type, Options
Export Histogram, Export Histogram
Export Image as GIF, Export Image as GIF
Export Image as JPEG, Export Image as JPEG
Export Image as MNG, Export Image as MNG
Export Image as PNG, Export Image as PNG
Export Image as TIFF, Export Image as TIFF
Export Image as WebP, Export Image as WebP
Export Images, Save / Export Images
Export Policies, Options
Exposure, Exposure
Extract Component, Extract Component
Eye Dropper, Color Picker

### F

Fattal et al. 2002, Fattal et al. 2002
Feathering, Glossary
File
  New image, Creating new Files
File format, Glossary
Files, Files
  Open, Opening Images
Fill Paths, Fill Paths
Fill Selection Outline, Fill Selection Outline
Fill with Background colour, Fill with BG Colour
Fill with Foreground Colour, Fill with FG Colour
Fill with Pattern, Fill with Pattern
Filmstrip, Filmstrip
Filters
  Add Bevel, Add Bevel
  Add Border, Add Border
  Animation
    Blend, Blend
    Burn-In, Burn-In
    Introduction, Animation Filters
    Optimize, Optimize
    Playback, Playback
    Rippling, Rippling
    Spinning Globe, Spinning Globe
    Waves, Waves
  Artistic
    Canvas effect, Apply Canvas
    Cartoon, Cartoon
    Clothify, Clothify
    Cubism, Cubism
    GIMPressionist, GIMPressionist, Orientation Map Editor, Size Map Editor
    Glass Tile, Glass Tile
    Introduction, Introduction
    Oilify, Oilify
    Photocopy, Photocopy
    Simple Linear Iterative Clustering, Simple Linear Iterative Clustering (SLIC)
    Softglow, Softglow
    Van Gogh, Van Gogh (LIC)
    Waterpixels, Waterpixels
    Weave, Weave
  Blur, Introduction
    Circular Motion, Circular Motion Blur
    Focus Blur, Focus Blur
    Gaussian Blur, Gaussian Blur
    Lens Blur, Lens Blur
    Linear Motion, Linear Motion Blur
    Mean Curvature Blur, Mean Curvature Blur
    Median Blur, Median Blur
    Pixelize, Pixelize
    Selective Gaussian, Selective Gaussian Blur
    Tileable Blur, Tileable Blur
    Variable Blur, Variable Blur
    Zoom Motion, Zoom Motion Blur
  Combine
    Depth Merge, Depth Merge
    Filmstrip, Filmstrip
    Introduction, Introduction
  Common functions
    Introduction to filters, Overview
    Re-Show last, Re-Show Last
    Repeat Last, Repeat Last
    Reset all, Reset All Filters
  Decor
    Fuzzy Border, Fuzzy Border
    Introduction, Introduction
    Old Photo, Old Photo
    Round Corners, Round Corners
    Slide, Slide
    Stain, Stain
    Stencil Carve, Stencil Carve
    Stencil Chrome, Stencil Chrome
  Distorts
    Blinds, Blinds
    Curve Bend, Curve Bend
    Emboss, Emboss
    Engrave, Engrave
    Introduction, Introduction
    Kaleidoscope, Kaleidoscope
    Lens Distortion, Lens Distortion
    Mosaic, Mosaic
    Newsprint, Newsprint
    Page Curl, Page Curl
    Polar Coordinates, Polar Coordinates
    Ripple, Ripple
    Shift, Shift
    Video Degradation, Video Degradation
    Whirl and Pinch, Whirl and Pinch
    Wind, Wind
  Drop Shadow, Drop Shadow
  Edge Detect
    Difference of Gaussians, Difference of Gaussians
    Edge, Edge
    Image Gradient, Image Gradient
    Introduction, Introduction
    Laplace, Laplace
    Neon, Neon
    Sobel, Sobel
  Enhance
    Anti-alias, Antialias
    Deinterlace, Deinterlace
    Despeckle, Despeckle
    High Pass, High Pass
    Introduction, Introduction
    NL filter, NL Filter
    Noise Reduction, Noise Reduction
    Red Eye Removal, Red Eye Removal
    Sharpen (Unsharp Mask), Sharpen (Unsharp Mask)
    Symmetric Nearest Neighbor, Symmetric Nearest Neighbor
    Wavelet-decompose, Wavelet Decompose
  Generic
    Convolution Matrix, Convolution Matrix
    Dilate, Dilate
    Distance Map, Distance Map
    Erode, Erode
    GEGL Graph, GEGL Graph
    Introduction, Introduction
    Normal Map, Normal Map
    Text Styling, Text Styling
  Introduction, Introduction
  Light and Shadow, Introduction
    Apply Lens, Apply Lens
    Bevel, Bevel
    Bloom, Bloom
    Drop Shadow (legacy), Drop Shadow (legacy)
    Gradient Flare, Gradient Flare
    Inner Glow, Inner Glow
    Lens Flare, Lens Flare
    Lighting effects, Lighting Effects
    Perspective, Perspective
    Sparkle, Sparkle
    Supernova, Supernova
    Xach-Effect, Xach-Effect
  Long Shadow, Long Shadow
  Map
    bump-map, Bump Map
    Displace, Displace
    Fractal Trace, Fractal Trace
    Illusion, Illusion
    Introduction, Introduction
    Little Planet, Little Planet
    Map Object, Map Object
    Panorama Projection, Panorama Projection
    Paper Tile, Paper Tile
    Recursive Transform, Recursive Transform
    Small Tiles, Small Tiles
    Tile, Tile
    Tile Seamless, Tile Seamless
    Warp, Warp
  Menu, Overview
  Noise
    CIE lch, CIE lch Noise
    HSV Noise, HSV Noise
    Hurl, Hurl
    Introduction, Introduction
    Pick, Pick
    RGB Noise, RGB Noise
    Slur, Slur
    Spread, Spread
  Render
    Bayer Matrix, Bayer Matrix
    Cell Noise, Cell Noise
    Checkerboard, Checkerboard
    Checkerboard (legacy), Checkerboard (legacy)
    Circuit, Circuit
    CML Explorer, CML Explorer
    Difference Clouds, Difference Clouds
    Diffraction, Diffraction Patterns
    Flame, Flame
    Fog, Fog
    Fractal Composition, IFS Fractal
    Fractal Explorer, Fractal Explorer
    Gfig, Gfig
    Grid, Grid
    Grid (legacy), Grid (legacy)
    Introduction, Introduction
    Jigsaw, Jigsaw
    Lava, Lava
    Line Nova, Line Nova
    Linear Sinusoidal textures, Linear Sinusoid
    Maze, Maze
    Perlin Noise, Perlin Noise
    Plasma, Plasma
    Random textures, Qbist
    Simplex Noise, Simplex Noise
    Sinusoidal textures, Sinus
    Solid Noise, Solid Noise
    Sphere Designer, Sphere Designer
    Spiral, Spiral
    Spyrogimp, Spyrogimp
  Vignette, Vignette
  Web
    Clickable image, Image Map
    Introduction, Web Filters
    Semi-Flatten, Semi-Flatten
filters
  Distorts, Spherize
Fit canvas to layers, Fit Canvas to Layers
Fit canvas to selection, Fit Canvas to Selection
Flame, Flame
Flatten, Flatten Image
Flip, Flip, Flip Horizontally; Flip Vertically
Flip & Rotate, Flip & Rotate (0°)
Flip horizontally (layer), Flip Horizontally
Flip vertically (layer), Flip Vertically
Floyd-Steinberg, Glossary
Focus Blur, Focus Blur
Fog, Fog
Fonts
  Add, Adding Fonts
  Dialog, Fonts Dialog
  Problems, Font Problems
Foreground color, Foreground/Background Colors Area
Foreground Select, Foreground Select
Formats
  BMP, Glossary
  EPS, Import from PostScript
  GBR, Adding New Brushes
  GIF, Export Image as GIF
  GIH, Adding New Brushes
  JPEG, Export Image as JPEG
  MNG, Export Image as MNG
  MYB, Adding New Brushes
  PDF, Import from PDF, Glossary
  PNG, Export Image as PNG
  PostScript, Glossary
  PS, Import from PostScript
  PSD, Glossary
  SVG, Glossary
  TGA, Glossary
  TIFF, Export Image as TIFF
  VBR, Adding New Brushes
  WebP, Export Image as WebP
  XCF, Glossary
Fractal Explorer, Fractal Explorer
Fractal trace, Fractal Trace
Full Screen, Full Screen
Fuzzy Border, Fuzzy Border
Fuzzy Selection, Fuzzy Selection (Magic wand)

### G

Gamma, Gamma, Levels, Glossary
Gamut, Glossary
Gaussian Blur, Gaussian Blur
GBR, Adding New Brushes
GEGL Graph, GEGL Graph
GEGL operation, GEGL Operation
Gfig, Gfig
GIF, Export Image as GIF, Glossary
GIH, Adding New Brushes
GIMP
  Bugs, Reporting Bugs and Requesting Enhancements
  Getting Unstuck, Introduction
  How to contribute, How to Contribute
  Introduction, Welcome to GIMP
GIMP Online, GIMP Online
GIMPressionist, GIMPressionist, Orientation Map Editor, Size Map Editor
Glass Tile, Glass Tile
Glossary, Glossary
Gradient, Gradient, Edge
  Dialog, Gradients Dialog
  Editor, The Gradient Editor
  From palette, The “Palettes” context menu
  New gradient, Using example for the Gradient Editor
  Overview, Gradients
  Tool, Gradient
  Toolbox Indicator Area, Brush/Pattern/Gradient Area
Gradient CSS code snippet, Using the “Gradients” dialog
Gradient Flare, Gradient Flare
Gradient Map, Gradient Map
Grain extract, Inversion Layer Modes, Legacy Layer Modes
Grain merge, Inversion Layer Modes, Legacy Layer Modes
Grayscale
  Overview, Glossary
Greyscale
  Convert to grayscale, Grayscale mode
Grid
  Cell Noise, Cell Noise
  configure, Configure Grid…
  Default setting, Default Image Grid
  Grid (legacy) filter, Grid (legacy)
  Grid filter, Grid
  Overview, Grids and Guides
  Perlin Noise, Perlin Noise
  Show/Mask Grid, Show Grid
  Simplex Noise, Simplex Noise
  Snap to Grid, Snap to Grid
Guide
  Add, New Guide
  Add by percent, New Guide (by Percent)
  Move, Summary of Move tool actions
Guides, “Guides” Submenu
  Add from selection, New Guides from Selection
  Overview, Grids and Guides
  Remove, Remove all Guides
  Selection guides, Options
  Show/Mask Guides, Show Guides
  Snap to Guides, Snap to Guides
  Transform, Options
  Using, Glossary

### H

Handle Transform, Handle Transform
Hard light, Contrast Layer Modes, Legacy Layer Modes
Hard mix, Contrast Layer Modes
Heal, Heal
HEIF/HEIC, Export Image as HEIF/HEIC
Help, Help System, Help
  Context help, Context Help
  Menu, Overview
  Online, GIMP Online
  Overview, About
  Search and Run a Command, Search and Run a Command
  Tip of the Day, Tip of the Day
  Welcome Dialog, Welcome Dialog
High Dynamic Range, Glossary
High Pass, High Pass
Histogram, Histogram Dialog, Glossary
Hot, Hot…
HSL Color, HSV Components Layer Modes, Legacy Layer Modes
HSV Hue, HSV Components Layer Modes, Legacy Layer Modes
HSV Noise, HSV Noise
HSV Saturation, HSV Components Layer Modes, Legacy Layer Modes
HSV Value, HSV Components Layer Modes, Legacy Layer Modes
HTML notation, Glossary
Hue-Chroma, Hue Chroma
Hue-Saturation, Hue-Saturation
Hurl, Hurl

### I

ICC profile, Color Management in GIMP
Icon Theme, Icon Theme
IFS Fractal, IFS Fractal
Illusion, Illusion
Image, Images Dialog
  Acquire an image, Create
  Active Image Thumbnail, Options
  Canvas size, Canvas Size
  change Mode, Change the Mode
  Close image, Close View
  Color Management
    Assign Color Profile, Assign Color Profile
    Black Point Compensation, Black Point Compensation
    Convert to Color Profile, Convert to Color Profile
    Discard Color Profile, Discard Color Profile
    Menu, “Color Management” Submenu
    Save Color Profile to File, Save Color Profile to File
    Soft-Proof Profile, Soft-Proof Profile
    Soft-Proofing Rendering Intent, Soft-Proofing Rendering Intent
    Use sRGB Profile, Use sRGB Profile
  Color modes
    Menu, “Mode” Submenu
  Comment, Advanced Options
  Convert
    To grayscale, Grayscale mode
    To indexed mode, Indexed mode
    To RGB mode, RGB mode
  crop, Crop An Image
  Crop
    According to color, Zealous Crop
    To content, Crop Image
    To selection, Crop Image
    Tool, Crop
  Cut off image according to guides, Slice Using Guides
  Encoding, “Encoding” Submenu
  Export As, Export As…
  Flip, Flip An Image
  Grid and guides, Grids and Guides
  Guides, “Guides” Submenu
  Image size
    When creating, Options
  information, Find Info About Your Image
  Metadata, “Metadata” Submenu
  New, New…
  Open, Opening Images, Open…
    As layers, Open as Layers…
    Open location, Open Location…
    Open recent, Open Recent
  Open image, Open Image
  Paste as, Paste as New Image
  Paths, Paths
  Precision, “Encoding” Submenu
  Preferences
    Default image, Default Image Preferences
  Print size, Print Size
  Reload the image, Revert
  Resize after zooming or scaling, Options
  Resolution
    Setting when creating, Advanced Options
  Rotate, Rotate An Image
  save, Compressing Images
  Save image
    Save, Save File
    Save a copy, Save a Copy…
    Save As, Save As…
  Scale, Change the Size of an Image for the screen, Scale
  scale, Change the Size of an Image for print
  Text, Text
  Transform, “Transform” Submenu
Image Gradient, Image Gradient
Image Hose, Glossary
Image hoses, Brushes
Image Import and Export, Image Import and Export
Image Map, Image Map
Image Properties, Image Properties
Image size, Options, Options
Image window
  Menus, The “View” Menu, The “Image” Menu, The “Colors” Menu
Image windows
  Description, Image Window
Image Windows
  Basic settings, Window Management
  Preferences, Image Windows, Image Window Appearance
Images
  Types, Image Types
Import File Formats, Import File Formats
Import image, Open Image
Import PDF Image, Import from PDF
Import Policies, Options
Import Postscript Image, Import from PostScript
Incremental, Glossary
Indent, Options
Indexed colors, Indexed mode
Indexed Colors, Glossary
Indexed palette, Palettes
Ink, Ink
Inner Glow, Inner Glow
Input Controllers, Input Controllers
Input Devices, Input Devices
Input Devices (command), Input Devices
Interface
  Preferences, Interface
Invert colors, Invert
IPTC, Glossary

### J

Jigsaw, Jigsaw
Jitter, Options
JPEG, Export Image as JPEG, Glossary
Justify, Options

### K

Kaleidoscope, Kaleidoscope
Keyboard Shortcuts, Options, Keyboard Shortcuts
  Dialog, Keyboard Shortcuts Dialog

### L

Languages, Changing the Language, Options
Laplace, Edge, Laplace
Lasso, Free Selection (Lasso)
Lava, Lava
Layer, Glossary
  Activate, Layer Properties
  Anchor the floating layer or mask, Anchor Floating Layer or Mask
  Blending Modes, Layer Modes
  Boundaries, Layer Properties
  Clear
    Clear layer content, Clear
  Copy, Copy
    Copy visible layers, Copy Visible
  Creating new layers, Creating New Layers
  Cut (/Paste)
    Cut layer content, Cut
  Dialog, Layers Dialog
  Effects, Layer Effects
  Fill
    Fill with background colour, Fill with BG Colour
    Fill with foreground colour, Fill with FG Colour
    Fill with pattern, Fill with Pattern
  Mask managing
    Add a mask, Add Layer Masks
    Add layer masks to selection, Add Masks to Selection
    Apply, Apply Layer Masks
    Convert layer masks to a selection, Masks to Selection
    Delete layer masks, Delete Layer Masks
    Disable, Disable Layer Masks
    Edit, Edit Layer Mask
    Intersect layer masks with selection, Intersect Masks with Selection
    Show layer mask, Show Layer Masks
    Subtract layer masks from selection, Subtract Masks from Selection
  Modes, Layer Modes
    Legacy, Legacy Layer Modes
  Move, Summary of Move tool actions
  On-canvas layer selection, Layer Groups
  Paste, Paste, Paste as Single Layer, Paste As Single Layer In Place, Paste as New Brush, Paste as New Pattern
  Preview size, Tab Menu
  Scale, Scale
  Size, Layer Properties
  Size managing
    Crop Layers to Content, Crop Layers to Content
    Resize current layer and its content, Scale Layer
    Resize current layer but not its content, Layer Boundary Size
    Resize Layers to Selection, Resize Layers to Selection
    Resize selected layers to image size, Layers to Image Size
  Stack managing
    Align visible layers, Align Visible Layers…
    Bottom layer, Select Bottom Layer
    Create a new layer, New Layer
    Create a new layer from visible layers, New from Visible
    Delete selected layers, Delete Layers
    Layer duplicate, Duplicate layers
    Lower layers, Lower Layers
    Lower selected layers to the bottom of stack, Layers to Bottom
    Merge all layers in the selected layer groups, Merge Layer Groups
    Merge current layer with the underlying layer, Merge Down
    Merge visible layers, Merge Visible Layers
    Move selected layers one position up, Raise Layers
    Move selected layers to the top of stack, Layers to Top
    Next layers, Select Next Layers
    Open image as layers, Open as Layers…
    Previous layers, Select Previous Layers
    Reverse layer order, Reverse Layer Order
    Select top layer, Select Top Layer
  Submenu
    Mask, The “Mask” Submenu
    Stack, “Stack” Submenu
    Transform, The “Transform” Submenu
    Transparency, The “Transparency” Submenu
  Text
    along Path, Text along Path
    Discard, Discard Text Information
    to Path, Text to Path
  Transform
    Flip horizontally, Flip Horizontally
    Flip vertically, Flip Vertically
    Rotation, Rotate 90° clockwise, Rotate 90° counter-clockwise, Rotate 180°, Arbitrary Rotation
    Shift layer content, Offset
  Transparency managing
    Add Alpha channel to layer, Add Alpha Channel
    Add non-transparent areas to selection, Add Alpha to Selection
    Intersect non-transparent areas with selection, Intersect Alpha with Selection
    Make colors transparent, Colour to Alpha
    Preserve anti-aliasing, Semi-Flatten
    Remove Alpha Channel, Remove Alpha Channel
    Selection according to opacity, Alpha to Selection
    Subtract non-transparent pixels from selection, Subtract Alpha from Selection
    Threshold Alpha, Threshold Alpha
  Type, Layer Properties
Layer boundary
  Show/mask layer boundary, Show Layer Boundary
Layer Boundary Size, Layer Boundary Size
Layer Effects, Layer Effects
Layer Group
  New, New Layer Group
Layer groups, Layer Groups
Layer mask, Layer masks
Layer Modes, Layer Modes
  Addition, Lighten Layer Modes, Legacy Layer Modes
  Burn, Darken Layer Modes, Legacy Layer Modes
  Color Erase, Normal Layer Modes
  Darken only, Darken Layer Modes, Legacy Layer Modes
  Difference, Inversion Layer Modes, Legacy Layer Modes
  Dissolve, Normal Layer Modes, Legacy Layer Modes
  Divide, Inversion Layer Modes, Legacy Layer Modes
  Dodge, Lighten Layer Modes, Legacy Layer Modes
  Erase, Normal Layer Modes
  Exclusion, Inversion Layer Modes
  Grain extract, Inversion Layer Modes, Legacy Layer Modes
  Grain merge, Inversion Layer Modes, Legacy Layer Modes
  Hard light, Contrast Layer Modes, Legacy Layer Modes
  Hard mix, Contrast Layer Modes
  HSL Color, HSV Components Layer Modes, Legacy Layer Modes
  HSV Hue, HSV Components Layer Modes, Legacy Layer Modes
  HSV Saturation, HSV Components Layer Modes, Legacy Layer Modes
  HSV Value, HSV Components Layer Modes, Legacy Layer Modes
  LCh Chroma, LCh Components Layer Modes
  LCh Color, LCh Components Layer Modes
  LCh Hue, LCh Components Layer Modes
  LCh Lightness, LCh Components Layer Modes
  Lighten only, Lighten Layer Modes, Legacy Layer Modes
  Linear burn, Darken Layer Modes
  Linear light, Contrast Layer Modes
  Luma/Luminance darken only, Darken Layer Modes
  Luma/Luminance lighten only, Lighten Layer Modes
  Luminance, LCh Components Layer Modes
  Merge, Normal Layer Modes
  Multiply, Darken Layer Modes, Legacy Layer Modes
  Normal, Normal Layer Modes, Legacy Layer Modes
  Overlay, Contrast Layer Modes, Legacy Layer Modes
  Pin light, Contrast Layer Modes
  Screen, Lighten Layer Modes, Legacy Layer Modes
  Soft light, Contrast Layer Modes, Legacy Layer Modes
  Split, Normal Layer Modes
  Subtract, Inversion Layer Modes, Legacy Layer Modes
  Vivid light, Contrast Layer Modes
Layers, Introduction to Layers
  Effects, Layer Properties
  Lock, Layer Properties
  Merge all layers, Flatten Image
LCh Chroma, LCh Components Layer Modes
LCh Color, LCh Components Layer Modes
LCh Hue, LCh Components Layer Modes
LCh Lightness, LCh Components Layer Modes
Lens Blur, Lens Blur
Lens Distortion, Lens Distortion
Lens Flare, Lens Flare
Levels tool, Levels
Lighten only, Lighten Layer Modes, Legacy Layer Modes
Lighting effects, Lighting Effects
Line
  Drawing a straight line, Drawing Simple Objects
Line Nova, Line Nova
Line spacing, Options
Linear burn, Darken Layer Modes
Linear Invert colors, Linear Invert
Linear light, Contrast Layer Modes
Linear Motion Blur, Linear Motion Blur
Linear Sinusoid, Linear Sinusoid
List search field, Tab Menu
Little Planet, Little Planet
Local Threshold, Local Threshold
Lock alpha channel, Using the Layers Dialog
Lock pixels, Using the Layers Dialog
Long Shadow, Long Shadow
Luma/luminance darken only, Darken Layer Modes
Luma/luminance lighten only, Lighten Layer Modes
Luminance, LCh Components Layer Modes

### M

Magic Wand, Fuzzy Selection (Magic wand)
Main menu, The Main Menu
Mantiuk 2006, Mantiuk 2006
Map Object, Map Object
Marching ants speed, Options
Mark Out Of Gamut Colors, Mark Out Of Gamut Colors
Masks
  Channel mask, Selection masks
  Layer mask, Layer masks
    Add, Add Layer Masks
    Apply, Apply Layer Masks
    Disable, Disable Layer Masks
    Edit, Edit Layer Mask
    Overview, Layer Properties
    Show, Show Layer Masks
  Layer masks
    Add to selection, Add Masks to Selection
    Convert to a selection, Masks to Selection
    Delete, Delete Layer Masks
    Intersect with selection, Intersect Masks with Selection
    Subtract from selection, Subtract Masks from Selection
  Overview, Glossary
  Quick Mask
    Using Quick Mask, Using Quick Mask Mode
  Quick mask, Selection masks
  Selection mask, Selection masks
Maze, Maze
Mean Curvature Blur, Mean Curvature Blur
Measure, Measure
Measure a distance, Measure
Measure a surface, Measure
Measure an angle, Measure
Median Blur, Median Blur
Menu
  Colours, Overview
  Edit, Overview
  File, Overview
  Filters, Overview
  Help, Overview
  Select, Overview
  View, Overview
Menu bar
  Show/Mask menu bar, Show Menubar
Menus
  Context, Context Menus
  Edit, The “Edit” Menu
  File menu, The “File” Menu
  Filters, The “Filters” Menu
    Development, The “Development” Submenu
  Image, Overview
  Introduction, Introduction to Menus
  Layer, Overview
  Main, The Main Menu
  Selection, The “Select” Menu
  Tab, Tab menus
  Tools, The “Tools” Menu
  Windows, The “Windows” Menu
Merge, Normal Layer Modes
Merge Down, Merge Down
Merge Layer Groups, Merge Layer Groups
Merge Visible Layers, Merge Visible Layers
Metadata, “Metadata” Submenu
  Metadata Editor, Metadata Editor
  Metadata Viewer, Metadata Viewer
MNG, Export Image as MNG
Modes (color)
  Greyscale, Grayscale mode
  Indexed, Indexed mode
  RGB, RGB mode
Modes (Colors)
  Submenu, “Mode” Submenu
Modes of layers, Layer Modes
  Legacy, Legacy Layer Modes
Module Manager, Modules
Modules, Modules
Moir, Glossary
Mono-mixer, Mono Mixer
Mosaic, Mosaic
Mouse pointers, Options
Mouse Scroll-Wheel, Tool Options
Move, Move
Move to Screen, Move to Screen
Multiply, Darken Layer Modes, Legacy Layer Modes
MYB, Adding New Brushes
MyPaint Brush, MyPaint Brush
MyPaint Brushes, MyPaint Brushes Dialog
Mypaint Brushes
  Dialog, MyPaint Brushes Dialog

### N

Navigation
  Dialog, Navigation Dialog
  Navigation button, Image Window
  Preview size, Interface
  View Navigation window, Navigation Window
Navigation preview, Image Window
NDE, Layer Effects
Neon, Neon
New, New…
New image
  Default setting, Default Image Preferences
New Image, New…
New instance, Changing the Language
New Layer, New Layer
New View, New View
Newsprint, Newsprint
NL filter, NL Filter
Noise Reduction, Noise Reduction
Nonlinear filter, NL Filter
Normal Map, Normal Map

### O

Offset, Offset
Oilify, Oilify
Old Photo, Old Photo
Opacity
  Brush, Options
  Layers dialog, Using the Layers Dialog
Open, Open…
Open as layers, Open as Layers…
Open image, Open Image
Open Location, Open Location…
Open Recent, Open Recent
Overlay, Contrast Layer Modes, Legacy Layer Modes
Overwrite, Export… and Overwrite…

### P

Padding color, Padding Color
Page Curl, Page Curl
Paint Modes
  Behind, Paint Mode Examples
  Color Erase, Paint Mode Examples
Paint Tools, Paint Tools
Paintbrush, Paintbrush
Palette
  Delete, Using the Palettes dialog
  Dialog, Palettes Dialog
  Duplicate, Using the Palettes dialog
  Editor, Palette Editor
  Import, The “Palettes” context menu
  Introduction, Palettes
  Menu, The “Palettes” context menu
  New palette, Using the Palettes dialog
  Refresh, Using the Palettes dialog
Palette Color Selector, Using the “FG/BG color” dialog
Palette Map, Palette Map
Panorama Projection, Panorama Projection
Paper Tile, Paper Tile
Parasite, Glossary
Pass through, Layer Groups
Paste, Paste
Paste as Floating Data, Paste as Floating Data
Paste as Floating Data In Place, Paste as Floating Data In Place
Paste as Floating Data Into Selection, Paste as Floating Data Into Selection
Paste as Floating Data Into Selection In Place, Paste as Floating Data Into Selection In Place
Paste as new brush, Paste as New Brush
Paste as new pattern, Paste as New Pattern
Paste as Single Layer, Paste as Single Layer
Paste as Single Layer in Place, Paste As Single Layer In Place
Paste In Place, Paste In Place
Paste Named, Buffers Dialog
Path
  Move, Summary of Move tool actions
  Scale, Scale
  Snap to active path, Snap to Active Path
  Snap to bounding boxes, Snap to Bounding Boxes
  Snap to equidistance, Snap to Equidistance
Paths
  Dialog, Paths Dialog
  Stroke, Stroke Paths
  Tool, Paths
  Transform, Transforming Paths
  Using, Paths
Patterns
  Add a pattern to layer, Introduction
  Clipboard pattern, The Clipboard pattern
  Clone, Options
  Dialog, Patterns Dialog
  Introduction, Patterns
  Menu, Patterns Context Menu
  Toolbox Indicator Area, Brush/Pattern/Gradient Area
PDF, Import from PDF, Glossary
Pencil, Pencil
Perspective, Perspective, Perspective
Perspective Clone, Perspective Clone
Photocopy, Photocopy
Photography, Working with Digital Camera Photos
Pick, Pick
Pin light, Contrast Layer Modes
Pixel, Glossary
Pixelize, Pixelize
Plasma, Plasma
Playback, Playback
Playground, Experimental Playground
Plug-ins
  Browser, Plug-In Browser
  Definition, Glossary
  Install, Installing New Plug-Ins
  Introduction, Plug-Ins
  Write, Writing Plug-ins
PNG, Export Image as PNG, Glossary
Pointer, Pointer Dialog
Polar Coordinates, Polar Coordinates
Polygonal Selection, Free Selection (Lasso)
Portrait/Landscape mode, Options
Posterize, Posterize
Postscript, Import from PostScript
Precision, Advanced Options, “Encoding” Submenu
Preferences, Preferences Dialog
  Dialog defaults, Dialog Defaults
  Icon Theme, Icon Theme
  Image grid, Default Image Grid
  Input Controllers, Input Controllers
  Input Devices, Input Devices
  Snapping, Canvas Interaction Snapping Behavior
  Theme, Theme
Preferences (command), Preferences
Presets
  Introduction, Presets
  Presets Dialog, Tool Presets Dialog
  Tool Preset Editor, Tool Preset Editor
Preview
  Composited preview, Options
  Filter, Introduction
  Navigation preview, Image Window
  Navigation preview size, Interface
  Transformation tools, Options
Previews, Options
  Tab preview size, Tab Menu
Prewitt compass, Edge
Print Size, Print Size
Printing
  Print command, Print
  Printing your photos, Printing Your Photos
  Size and resolution, Print Size
Procedure
  Browser, The Procedure Browser
Proof Colors, Proof Colors
PSD, Glossary
Python
  Tutorial, A Python plug-in writing Tutorial
Python-Fu
  Sub-menu, The “Python-Fu” Submenu

### Q

Qbist, Qbist
Quantization, Glossary
Quick Mask, The Quick Mask
Quit GIMP, Quit

### R

Raw Image Importer, Options
Re-Show Last, Re-Show Last
Rearrange Colormap, Rearrange Colormap
Recompose, Recompose
Rectangle
  Drawing a rectangle, Drawing Simple Objects
Recursive Transform, Recursive Transform
Red Eye Removal, Red Eye Removal
Red-eyes, Removing Red-eye
Redo, Redo
Reinhard 2005, Reinhard 2005
Remove Alpha channel, Remove Alpha Channel
Remove Holes, Remove Holes
Repeat Last, Repeat Last
Reset, As in Preferences
Reset All, Reset All Filters
Resize Layers to Selection, Resize Layers to Selection
Resolution, Basic Concepts
  Printing, Print Size
  Setting when creating, Advanced Options
Retinex, Retinex
Revert (command), Revert
RGB, RGB mode, Glossary
RGB Clip, RGB Clip
RGB Noise, RGB Noise
Ripple filter, Ripple
Rippling, Rippling
Roberts, Edge
Rotate, Rotate, Arbitrary Rotation
Rotate 180°, Rotate 180°
Rotate 90° clockwise, Rotate 90° clockwise
Rotate 90° counter-clockwise, Rotate 90° counter-clockwise
Rotate Colors, Rotate Colors
Rotation, Rotation
Round Corners, Round Corners
Rounded rectangle, Rounded Rectangle
Rulers
  Show/Mask rulers, Show Rulers
Running GIMP, Running GIMP

### S

Sample Colorize, Sample Colorize
Sample Points, Sample Points Dialog, Show Sample Points
Saturation, Saturation, Glossary
Save, Save File
Save a copy, Save a Copy…
Save As, Save As…
Save Color Profile to File, Save Color Profile to File
Save/Export Images, Save / Export Images
Scale Image, Scale Image
Scale layer, Scale Layer
Scale Layer, selection, path, or image, Scale
Scene-referred, Glossary
Scissors tool, Scissors Select
Screen, Lighten Layer Modes, Legacy Layer Modes
Screenshot, Screenshot
Script-Fu
  Install, Installing Script-Fu scripts
  Introduction, Using Script-Fu Scripts
  Sub-menu, The “Script-Fu” Submenu
  Tutorial, A Script-Fu Tutorial
Scroll-bars
  Show/Mask scrollbars, Show Scrollbars
Search and Run a Command, Search and Run a Command
Selection
  According to opacity, Alpha to Selection
  Add / Subtract selections, Adding or subtracting selections
  Add alpha channel, Add Alpha to Selection
  Add layer masks to selection, Add Masks to Selection
  By Color select, By Color
  Change shape, Options
  Clear selection content, Clear
  Copy, Copy
  Copy and Float, Float
  Create a selection border, Border
  Create a selection from Paths, Selection From Paths
  Cut and Float, Float
  Cut selection content, Cut
  Delete selections, None
  Distort, Distort
  Editor, Selection Editor
  Ellipse selection, Ellipse Selection
  Feather selection edges, Feather
  Fill
    Fill with background colour, Fill with BG Colour
    Fill with foreground colour, Fill with FG Colour
    Fill with pattern, Fill with Pattern
  Floating selection, Glossary
  Floating selection (command), Float
  Foreground Select, Foreground Select
  Free Selection, Free Selection (Lasso)
  Fuzzy selection, Fuzzy Selection (Magic wand)
  Grow, Grow
  Intersect with Alpha channel, Intersect Alpha with Selection
  Invert selection, Invert
  Modes, Options
  Move selection, Moving or Resizing a Selection
  Paste, Paste, Paste as Single Layer, Paste As Single Layer In Place, Paste as New Image, Paste as New Brush, Paste as New Pattern
  Paste as Floating Data Into Selection, Paste as Floating Data Into Selection
  Paste as Floating Data Into Selection In Place, Paste as Floating Data Into Selection In Place
  Paste In Place, Paste In Place
  Polygonal Selection, Free Selection (Lasso)
  Rectangle selection, Rectangle Selection
  Remove Holes, Remove Holes
  Remove the feathering of border selection, Sharpen
  Resize selection, Moving or Resizing a Selection
  Rounded Rectangle, Rounded Rectangle
  Save selection to channel, Save to Channel
  Scale, Scale
  Select All, Select All
  Selection boundary
    Show/Mask selection boundary, Show Selection
  Selection by color, Select By Colour
  Selection mask, Selection masks
  Selection to Path
    Advanced options, The “Selection to Path Advanced Settings” dialog
  Shrink the size of selection, Shrink
  Stroke selection, Stroke Selection
  Subtract non-transparent pixels, Subtract Alpha from Selection
  Toggle Quick Mask, Toggle Quick Mask
  Transform selection to path, To Path
Selections
  Common Features, Common Features
  Concepts, The Selection
  Using, Creating and Using Selections
Selective Gaussian Blur, Selective Gaussian Blur
Semi-Flatten, Semi-Flatten
Send by Email, Send by Email
Sepia, Sepia
Set Colormap, Set Colormap
Set Soft-Proof Profile, Soft-Proof Profile
Setup, Configuration Folder
Shadows and Highlights, Shadows-Highlights
Sharpen (Unsharp mask), Sharpen (Unsharp Mask)
Shear, Shear
Shift, Shift
Shortcuts, Creating Shortcuts to Menu Commands
Show All, Show All
Show Canvas Boundary, Show Canvas Boundary
Show Grid, Show Grid
Show Guides, Show Guides
Show in File Manager, Show in File Manager
Show Layer Boundary, Show Layer Boundary
Show Layer Masks (command), Show Layer Masks
Show Menubar, Show Menubar
Show Rulers, Show Rulers
Show Scrollbars, Show Scrollbars
Show Selection, Show Selection
Show Statusbar, Show Statusbar
Shrink Wrap, Shrink Wrap
Simple Linear Iterative Clustering, Simple Linear Iterative Clustering (SLIC)
Sinus, Sinus
Slice Using Guides, Slice Using Guides
Slide, Slide
Sliders, Tool Options
Slur, Slur
Small Tiles, Small Tiles
Smooth Palette, Smooth Palette
Smudge, Smudge
Snap to active path, Snap to Active Path
Snap to bounding boxes, Snap to Bounding Boxes
Snap to canvas, Snap to Canvas
Snap to equidistance, Snap to Equidistance
Snap to Grid, Snap to Grid
Snap to Guides, Snap to Guides
Snapping, Canvas Interaction Snapping Behavior
Sobel, Edge, Sobel
Soft light, Contrast Layer Modes, Legacy Layer Modes
Soft-Proofing Rendering Intent, Soft-Proofing Rendering Intent
Softglow, Softglow
Solid noise, Solid Noise
Space bar, Activating the Tool, Options
Sparkle, Sparkle
Sphere Designer, Sphere Designer
Spherize, Spherize
Spinning Globe, Spinning Globe
Spiral, Spiral
Splash-screen, Customize Splash-Screen
Split, Normal Layer Modes
Spread, Spread
Spyrogimp, Spyrogimp
Stack, “Stack” Submenu
Stain, Stain
Status bar
  Image window, Image Window
  Preferences, Image Title and Statusbar Format
  Show/Hide status bar, Show Statusbar
Stencil Carve, Stencil Carve
Stencil Chrome, Stencil Chrome
Straight Line, Key modifiers
Straighten, Measure
Stress, Stress
Stretch Contrast, Stretch Contrast
Stretch Contrast HSV, Stretch Contrast HSV
Stroke path, Stroke Paths
Stroke Selection, Stroke Selection
Style, Options
Subtract, Inversion Layer Modes, Legacy Layer Modes
Supernova, Supernova
Supersampling, Glossary
SVG, Glossary
Swap folder, Options
Symmetric Nearest Neighbor, Symmetric Nearest Neighbor
Symmetry Painting, Symmetry Painting Dialog
System Resources, System Resources

### T

Tab menus, Tab menus
Tags, Tagging
TARGA, Glossary
Template
  Create Template, Create Template…
  Edit, Edit Template
  Menu, Options
Templates, Templates Dialog
Temporary folder, Options
Text
  along Path, Text along Path
  Context Menu, Text Context Menu
  Discard information, Discard Text Information
  Editing text, Text Management
  Editor, Text Editor
  Entering Unicode characters, Entering Unicode Characters
  Fonts, Adding Fonts
  Load from file, Text Editor
  Managing Text Layer, Managing Text Layer
  Move, Summary of Move tool actions
  Text Area, Text Area
  Text Toolbox, Text Toolbox
  to Path, Text to Path
  Tool, Text
Text along Path, Text Context Menu
Text Styling, Text Styling
TGA, Glossary
Theme, Theme
Threshold, Threshold
Threshold Alpha, Threshold Alpha
TIFF, Export Image as TIFF, Glossary
Tile, Tile
Tile cache, How to Set Your Tile Cache
Tile Seamless, Tile Seamless
Tileable Blur, Tileable Blur
Tip of the Day, Tip of the Day
Title bar
  Preferences, Image Title and Statusbar Format
Tone Mapping
  Destripe, Destripe
  Fattal et al. 2002, Fattal et al. 2002
  Mantiuk 2006, Mantiuk 2006
  Reinhard 2005, Reinhard 2005
  Retinex, Retinex
  Stress, Stress
Toolbox, The Toolbox
  Active image area, Active Image Area
  Color Area, Foreground/Background Colors Area
  Configuration, Options
  Indicator Area, Brush/Pattern/Gradient Area
  Introduction, The Toolbox
  Paint Tools, Paint Tools
  Preferences, Toolbox
Tools
  3D Transform, 3D Transform
  Airbrush, Airbrush
  Align and Distribute, Align and Distribute
  Blur/Sharpen, Blur/Sharpen
  Brightness-Contrast, Brightness-Contrast
  Brush, Brush Tools (Pencil, Paintbrush, Airbrush)
  Bucket Fill, Bucket Fill
  Cage Transform, Cage Transform
  Clone, Clone
  Color Picker, Color Picker
  Crop, Crop
  Curves, Curves
  Dodge/Burn, Dodge/Burn
  Dynamics, Dynamics
  Dynamics Matrix, The Paint Dynamics Matrix
  Dynamics Options, Dynamics Options
  Ellipse Selection, Ellipse Selection
  Eraser, Eraser
  Flip, Flip
  Foreground Select, Foreground Select
  Free Selection, Free Selection (Lasso)
  Fuzzy Selection, Fuzzy Selection (Magic wand)
  GEGL operation, GEGL Operation
  Gradient, Gradient
  Handle Transform, Handle Transform
  Heal, Heal
  Ink, Ink
  Levels, Levels
  Measure, Measure
  Miscellaneous, Other Tools
  Move, Move
  MyPaint Brush, MyPaint Brush
  Paint, Paint Tools, Brush Tools (Pencil, Paintbrush, Airbrush)
  Paintbrush, Paintbrush
  Paths, Paths
  Pencil, Pencil
  Perspective, Perspective
  Perspective Clone, Perspective Clone
  Preferences, Tool Options
  Rectangle Selection, Rectangle Selection
  Rotate, Rotate
  Scale, Scale
  Scissors, Scissors Select
  Selection by color, Select By Colour
  Shear, Shear
  Smudge, Smudge
  Text, Text
  Threshold, Threshold
  Tool groups, The Toolbox
  Transform Tools, Transform Tools
  Unified Transform, Unified Transform
  Warp Transform, Warp Transform
  Zoom, Zoom
Transform, “Transform” Submenu
  Clipping, Options
  Guides, Options
  Paths, Transforming Paths
Transparency
  Alpha channel, Glossary
  Background layer transparency, Layer Properties
  Brush opacity, Options
  Eraser tool, Eraser
  Exporting images with transparency, Saving Images with Transparency
  Keep Layer Transparency, Using the Layers Dialog
  Layer opacity, Using the Layers Dialog
  Lock Alpha channel, Using the Layers Dialog
  Representation, Display
Tutorial, Common Tasks, Change the Size of an Image for the screen, Change the Size of an Image for print, Compressing Images, Crop An Image, Find Info About Your Image, Change the Mode, Flip An Image, Rotate An Image, Separating an Object From Its Background
Tutorials
  Create image, Creating new Files
  Drawing a rectangle, Drawing Simple Objects
  Drawing a straight line, Drawing Simple Objects
  New gradient, Using example for the Gradient Editor

### U

Undo, Undoing, Undo
Undo History, Undo History Dialog, Undo History
Unified Transform, Unified Transform
Unit Editor, Units
Unit of measurement, Units
Units, Units
URI, Glossary
URL, Glossary
Use sRGB Profile, Use sRGB Profile
User Manual, User Manual
Using
  Preferences
    Debugging, Debugging
    Image Import and Export, Image Import and Export
    Playground, Experimental Playground
    System Resources, System Resources

### V

Value, Glossary
Value Invert, Value Invert
Value Propagate, Value Propagate
Values, Levels
Van Gogh (LIC), Van Gogh (LIC)
Variable Blur, Variable Blur
VBR, Adding New Brushes
Video Degradation, Video Degradation
View
  Colour Management
    Black Point Compensation, Black Point Compensation
    Color-Manage this View, Color-Manage this View
    Display Rendering Intent, Display Rendering Intent
    Mark Out Of Gamut Colors, Mark Out Of Gamut Colors
    Proof Colors, Proof Colors
    Reset, As in Preferences
  Introduction, Overview
  Padding color of canvas, Padding Color
Vignette, Vignette
Visibility
  Icon, Layer Properties
Vivid light, Contrast Layer Modes
Voronoi, Options

### W

Warp, Warp
Warp Transform, Warp Transform
Watercolor Color Selector, Using the “FG/BG color” dialog
Waterpixels, Waterpixels
Wavelet-decompose, Wavelet Decompose
Waves, Waves, Waves
Weave, Weave
Web
  Images for the web, Preparing your Images for the Web
WebP, Export Image as WebP
Welcome Dialog, Welcome Dialog
Wheel Color Selector, Using the “FG/BG color” dialog
Whirl and Pinch, Whirl and Pinch
White Balance, White Balance
White point, Levels
Wind, Wind

### X

Xach-Effect, Xach-Effect
XCF, Glossary
XDS, The Toolbox
XMP, Glossary

### Y

YCbCr, Glossary
YUV, Glossary

### Z

Zealous Crop, Zealous Crop
Zoom, Zoom, Options, Options, Zoom
Zoom Motion Blur, Zoom Motion Blur

Appendix E. Eeek! There is Missing Help |  |

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