GIF Dither – Free Dither GIF Maker
By Calvin Sun
Apply dithering to any GIF online. Choose Floyd–Steinberg, Bayer, Atkinson, and more — process a dither GIF locally in your browser.
Click to select a GIF file
or drag and drop your GIF file here
Error-diffusion methods (Floyd–Steinberg, Atkinson, Stucki…) look organic; Bayer ordered dither makes a regular grid; Random adds noise-based grain.
Mono is classic 1-bit black and white. Gray levels keep more tones. Color 16 quantizes to a small RGB cube then dithers.
GIF only supports binary transparency. Preserve keeps see-through areas; Solid fills them with a color you choose.
Transparent areas are filled with this color before encoding.
Lower sampling intervals keep more detail but may produce larger files and take longer.
Time between frames. Keep original timing, pick a preset, or enter a custom delay in milliseconds.
Enter a delay between 20ms and 10000ms. Applied to every frame.
How many times the GIF should repeat after the first play. Infinite loops forever.
gif.js style: 0 means infinite. For custom, enter how many extra repeats after the first play (0–100).
About this GIF dither tool
- • Apply classic dither algorithms to animated GIFs for a retro or print-like look
- • Frame delays and animation timing are preserved
- • Choose algorithm, palette depth, transparency handling, quality, and loop count
- • All processing happens locally in your browser for privacy
GIF uses a limited color palette. Strong dither patterns may look slightly different after re-encoding; try High quality for finer grain.
What is a GIF dither tool?
A GIF dither tool (also searched as dither GIF) applies digital dithering to animated GIFs so you can get a retro, print-like, or reduced-palette look without desktop software. OmniGIF runs entirely in the browser:
"Dither is an intentionally applied form of noise used to randomize quantization error, preventing large-scale patterns such as color banding."— Wikipedia: Dither
- Apply error-diffusion and ordered dither algorithms to every frame
- Choose mono, grayscale levels, or a 16-color palette
- Keep original frame timing when possible
- Preview original and dithered result side by side
- Process files locally with no server upload
Whether you want a 1-bit meme aesthetic or a softer multi-level grayscale dither, this free GIF dither maker keeps the workflow simple and private.
How to dither a GIF
The workflow is decode → dither every frame → re-encode GIF89a:
"Floyd–Steinberg dithering is an image dithering algorithm first published in 1976 by Robert W. Floyd and Louis Steinberg. It is commonly used by image manipulation software when an image is converted into a format with fewer colors."— Wikipedia: Floyd–Steinberg dithering
- Decode frames: Each GIF frame is expanded to full RGBA pixels with cumulative composition so partial frames are complete.
- Apply dither: Pixels are quantized to your palette while error-diffusion or Bayer/random thresholds distribute approximation error for a textured look.
- Re-encode GIF: Frames are packed back into GIF with your quality, loop, and transparency settings.
- Preview and download: Compare the original and dithered result, then save or share locally.
Because conversion happens on-device, your source GIF stays private while you iterate on algorithm and palette.
When to use GIF dither
Dithered GIFs shine when you want texture, nostalgia, or a constrained palette:
- Retro and pixel aesthetics: Bayer and Atkinson evoke early computer graphics and print halftones.
- Memes and social posts: High-contrast mono dither reads clearly in feeds and matches classic meme styles.
- Design mockups: Preview how motion looks with limited colors before committing to a palette.
- Print-inspired looks: Error diffusion mimics ink-like grain without editing each frame by hand.
If you only need grayscale without patterned dither, try the Black and White GIF maker; use GIF dither when the patterned grain is part of the look.
Tips for better dither GIFs
A few choices improve clarity after dithering:
- Start with Floyd–Steinberg + mono for a classic look, then try Atkinson or Bayer for a different texture
- Use gray 8 or gray 16 when mono looks too harsh on soft gradients
- Preserve transparency for stickers; use a solid fill for opaque backgrounds
- Pick High encoding quality when fine dither grain matters
- Keep source files under 10MB for faster browser encoding
Small tweaks to algorithm and palette often matter more than re-shooting the original animation.
Frequently Asked Questions - GIF Dither
What is GIF dither?
Dithering approximates missing colors by mixing nearby pixels. A GIF dither (or dither GIF) tool reduces colors—often to black and white or a small palette—while using patterns so gradients still look detailed. OmniGIF applies the effect to every frame, then re-encodes a GIF locally.
How do I dither a GIF online?
Upload your GIF, pick an algorithm (Floyd–Steinberg is a solid default) and a palette, adjust encode settings if needed, then click Apply dither. Preview original vs dithered side by side and download. Nothing is uploaded to a server.
Which dither algorithm should I use?
Floyd–Steinberg is the classic error-diffusion look. Atkinson is punchier (old Mac style). Jarvis, Stucki, Burkes, and Sierra are smoother or sharper variants. Bayer 4×4 / 8×8 create ordered dot grids. Random adds grainy noise. Try a few—results depend on your source GIF.
What is the difference between mono and gray palettes?
Mono forces pure black and white (2 colors). Gray 4 / 8 / 16 keep more luminance steps so soft areas look smoother. Color 16 reduces RGB to a small 16-color cube, then dithers—useful when you want a limited-color look without going fully grayscale.
Will the animation still play smoothly?
Yes. OmniGIF keeps each frame delay from the original GIF whenever possible, so timing stays close to the source while only pixel colors change.
Is transparency preserved when I dither a GIF?
Yes when you choose Preserve transparency. Fully transparent pixels are skipped during dithering so they do not turn into noisy dots. Soft alpha edges are matted against your chosen color because GIF only supports binary transparency.
Are my files uploaded to a server?
No. OmniGIF uses private browser-based processing: no uploads, no watermark, and your GIF never leaves your device.
What file size limit applies?
Each GIF must be under 10MB. Longer animations with many frames may take more time to dither and re-encode in the browser.
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