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Gribble is a pixel art and animation editor that runs in the browser (gribble.app) or as an Android or iPhone app. One account syncs projects between all devices.
Website: gribble.app
Android: Play Store
iOS: App Store
Layers with opacity and 15 blend modes. Frame-by-frame animation with onion skin, frame tags and playback.
Every stroke is recorded, so a finished artwork can be exported as a timelapse.
The community features includes a global gallery with museum frames, a profile page, followers, likes and achievements.
Brushes, eraser, bucket, dither gradient, color picker, global color picker, ellipse tool, square tool, line tool, square select, lasso select, magic wand, dither, shading, outline, gradient, symmetry, smudge.
Autosave, cloud-storage, timelapse, image/GIF imports, image/video/GIF/code/spritesheet exports, unique 9-patch mode and export, palette lock, alpha lock, themes, pixel perfect, 512x512 grids, palettes, gribble files (.grbl), artwork forking.
New ramps come hue-shifted out of the box, with light steps leaning towards yellow and dark steps leaning away from it, so you start from good shading and fine-tune from there. Click to add curve points and drag to reshape them; smooth curves never overshoot, so your shades always stay in order.
Check your work as you go:
- A hue wheel and lightness plot show every ramp in the palette at once
- Greyscale mode shows the true lightness of every colour, to check your contrast
- Preview a ramp on a sample orb or cube, or open your own PNG and see it recoloured with your palette
Shared colours let you use one outline or highlight colour across every ramp, and a colour limit (4 to 256) warns you when the palette grows too big.
Export as a .hex file, a PNG strip (1 px or 8 px per colour) or a PNG with a row per ramp, ready to load into Aseprite or any other editor. If you use Rastrivo Studio, Send to Rastrivo opens the palette there in one click and saves it as a preset.
Free, with no account, ads or tracking. Available for Windows on the Microsoft Store, with a Mac version coming soon.
The look is built from nodes: light bands, hue-shifted colour ramps, selective outlines, palettes (Lospec .hex and GIMP .gpl), dithering and cleanup. It measures and reduces flicker between animation frames.
It exports PNG sheets with JSON, .aseprite files with layers and tags, Godot SpriteFrames, GIF, and normal and depth maps, and has a command line for batches. A free browser demo covers import, camera, animation and PNG export. It is aimed at game developers who model in 3D and want consistent multi-direction sprites.
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