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1. Introduction

2. Common Features

3. Blur Filters

3.1. Introduction

3.2. Focus Blur

3.3. Gaussian Blur

3.4. Lens Blur

3.5. Mean Curvature Blur

3.6. Median Blur

3.7. Pixelize

3.8. Selective Gaussian Blur

3.9. Variable Blur

3.10. Circular Motion Blur

3.11. Linear Motion Blur

3.12. Zoom Motion Blur

3.13. Tileable Blur

4. Enhance Filters

4.1. Introduction

4.2. Antialias

4.3. Deinterlace

4.4. High Pass

4.5. Noise Reduction

4.6. Red Eye Removal

4.7. Symmetric Nearest Neighbor

4.8. Sharpen (Unsharp Mask)

4.9. Despeckle

4.10. NL Filter

4.11. Wavelet Decompose

5. Distort Filters

5.1. Introduction

5.2. Apply Lens

5.3. Emboss

5.4. Engrave

5.5. Lens Distortion

5.6. Kaleidoscope

5.7. Mosaic

5.8. Newsprint

5.9. Polar Coordinates

5.10. Ripple

5.11. Shift

5.12. Spherize

5.13. Value Propagate

5.14. Video Degradation

5.15. Waves

5.16. Whirl and Pinch

5.17. Wind

5.18. Blinds

5.19. Curve Bend

5.20. Page Curl

6. Light and Shadow Filters

6.1. Introduction

6.2. Bloom

6.3. Supernova

6.4. Lens Flare

6.5. Gradient Flare

6.6. Lighting Effects

6.7. Sparkle

6.8. Drop Shadow

6.9. Long Shadow

6.10. Vignette

6.11. Drop Shadow (legacy)

6.12. Perspective

6.13. Xach-Effect

6.14. Bevel

6.15. Inner Glow

7. Noise Filters

7.1. Introduction

7.2. CIE lch Noise

7.3. HSV Noise

7.4. Hurl

7.5. Pick

7.6. RGB Noise

7.7. Slur

7.8. Spread

8. Edge-Detect Filters

8.1. Introduction

8.2. Difference of Gaussians

8.3. Edge

8.4. Laplace

8.5. Neon

8.6. Sobel

8.7. Image Gradient

9. Generic Filters

9.1. Introduction

9.2. Convolution Matrix

9.3. Distance Map

9.4. Normal Map

9.5. Dilate

9.6. Erode

9.7. GEGL Graph

9.8. Text Styling

10. Combine Filters

10.1. Introduction

10.2. Depth Merge

10.3. Filmstrip

11. Artistic Filters

11.1. Introduction

11.2. Apply Canvas

11.3. Cartoon

11.4. Cubism

11.5. Glass Tile

11.6. Oilify

11.7. Photocopy

11.8. Simple Linear Iterative Clustering (SLIC)

11.9. Softglow

11.10. Waterpixels

11.11. Clothify

11.12. GIMPressionist

11.13. Van Gogh (LIC)

11.14. Weave

12. Decor Filters

12.1. Introduction

12.2. Add Bevel

12.3. Add Border

12.4. Fog

12.5. Fuzzy Border

12.6. Old Photo

12.7. Round Corners

12.8. Slide

12.9. Stain

12.10. Stencil Carve

12.11. Stencil Chrome

13. Map Filters

13.1. Introduction

13.2. Bump Map

13.3. Displace

13.4. Fractal Trace

13.5. Illusion

13.6. Little Planet

13.7. Panorama Projection

13.8. Recursive Transform

13.9. Paper Tile

13.10. Tile Seamless

13.11. Map Object

13.12. Small Tiles

13.13. Tile

13.14. Warp

14. Rendering Filters

14.1. Introduction

14.2. Flame

14.3. Fractal Explorer

14.4. IFS Fractal

14.5. Cell Noise

14.6. Perlin Noise

14.7. Plasma

14.8. Simplex Noise

14.9. Solid Noise

14.10. Difference Clouds

14.11. Bayer Matrix

14.12. Checkerboard

14.13. Diffraction Patterns

14.14. Grid

14.15. Linear Sinusoid

14.16. Maze

14.17. Sinus

14.18. Spiral

14.19. Checkerboard (legacy)

14.20. CML Explorer

14.21. Grid (legacy)

14.22. Jigsaw

14.23. Qbist

14.24. Circuit

14.25. Gfig

14.26. Lava

14.27. Line Nova

14.28. Sphere Designer

14.29. Spyrogimp

15. Web Filters

15.1. Introduction

15.2. Image Map

15.3. Semi-Flatten

16. Animation Filters

16.1. Introduction

16.2. Blend

16.3. Burn-In

16.4. Optimize

16.5. Playback

16.6. Rippling

16.7. Spinning Globe

16.8. Waves