- Interface
- Toggle the toolbars on or off at the touch of a button.
- Horizontal or vertical split view mode.
- Pixel grid for guidance at high levels of zoom.
- Move the mouse pointer with exact precision using the arrow keys.
- Extensive shortcut keys used to improve productivity.
- 12 Image clipboard.
- Up to 1000 undo steps.
- Zoom levels between 10% and 2000%.
- Pan window for quickly navigating a large image, or at a high zoom.
- Browse different files passed at the command line.
- Translations: Chinese (Simplified), Chinese (Taiwanese), Czech, English (UK),
French, German, Japanese, Polish, Portuguese, Portuguese (Brazilian), Spanish, Turkish.
- Use a pressure sensitive graphics tablet.
- Limit memory used for undo images.
- Grab screenshots.
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- Pixel Art
- Edit indexed palette or RGB images.
- Save and load PNG, JPEG, TIFF, GIF, BMP, TGA, XPM, XBM files.
- Extensive palette features - load, save, sort, edit, posterize, quantize,
remove duplicate colours, remove unused colours, colour protection, palette shifting.
- Image channels: Alpha, Selection, Mask. All saved to a PNG file.
- Up to 100 layers.
- Create animations by moving layers, or shifting palettes.
- Create animated GIF's using Gifsicle.
- 81 brush presets.
- 100 brush patterns.
- User defined gradients.
- Copy and paste using rectangle or polygon shapes.
- Tools to shuffle pixels, flood fill, draw straight lines, smudge, clone, paste text,
draw/fill rectangle/ellipses.
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- Image Manipulation
- Quickly transform image gamma, brightness, contrast, saturation, hue, posterize
from a single dialog, and preview the results in real time.
- Apply various effects such as invert, greyscale, isometric transformations, edge
detect, sharpen, unsharp mask, soften, Gaussian blur, emboss, bacteria.
- Use gamma correction on effects to improve the quality of various effects.
- Crop at the touch of a button.
- Resize the canvas.
- Rescale the canvas, enlarging or reducing, using several filter methods.
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