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Supports: GIF
APNG (Animated PNG) is the modern upgrade to the animated GIF: where GIF caps each frame at 256 colors with hard on/off transparency, APNG carries full 24-bit color and a real 8-bit alpha channel, so gradients, soft shadows, and anti-aliased edges stay smooth on any background. Convert your GIF to APNG when you want a higher-quality animated image and your audience uses modern browsers — the tradeoff is a larger file and slightly narrower compatibility than GIF.
| Property | GIF | APNG |
|---|---|---|
| Year / origin | 1987 (CompuServe) | 2004 (Mozilla) |
| Color depth | 256 colors per frame (8-bit palette) | 16.7 million colors (24-bit RGB) |
| Transparency | 1-bit (a pixel is fully on or fully off) | 8-bit alpha (smooth semi-transparency) |
| Soft / anti-aliased edges | Hard, jagged on non-white backgrounds | Clean on any background |
| Gradients & photos | Visible banding and dithering | Smooth |
| Compression | Per-frame LZW (1987) | PNG DEFLATE, lossless |
| Typical file size | Smaller for simple flat animations | Often larger; can win on detailed content |
| Browser support | Universal | ~95% — Chrome 59+, Firefox 3+, Safari 8+, Edge 79+, Opera 46+; not Internet Explorer |
| Fallback if unsupported | n/a | Shows the first frame as a static PNG |
| File extension | .gif | .apng (or .png) |
| Setting | What it does |
|---|---|
| Framerate | Sets playback speed; 10 FPS is the default, and a lower rate trims file size |
| Colors | "Original" keeps every color the source GIF has; "By Color Reduction + Dither" shrinks the file |
| Image quality (%) | Trades visual fidelity against output file size |
| Max resolution / resize % | Scales the animation down to smaller dimensions and a smaller file |
It fixes transparency and stops further quality loss, but it can't restore detail the GIF already threw away. A GIF is already reduced to 256 colors per frame, so the APNG inherits that palette — converting won't magically add the missing 16 million colors. What it does fix: the jagged 1-bit transparency edges become smooth 8-bit alpha, and because APNG is lossless, no extra dithering or banding gets added on top. For genuinely full-color, smooth output, encode APNG from a true-color source like a video or PNG sequence rather than from an existing GIF.
Often, yes. APNG stores full 24-bit color with lossless PNG compression, while GIF uses an 8-bit palette, so for simple flat-color loops the GIF is usually smaller. The gap narrows — and sometimes reverses — on detailed or gradient-heavy animations where APNG's compression works better. To keep the APNG small, leave Colors on "By Color Reduction + Dither," lower the framerate, or reduce the resolution. If size is critical, you can also run the result through compress APNG.
APNG plays in roughly 95% of browsers worldwide: Chrome 59+, Firefox 3+, Safari 8+, Edge 79+, and Opera 46+, on both desktop and mobile. Internet Explorer never supported it. In any viewer that doesn't understand the animation, the first frame displays as a normal static PNG, so the image is never broken — it just doesn't move. If you need an animation that moves literally everywhere, keep a GIF copy.
Yes, and it improves on it. GIF transparency is 1-bit — every pixel is either fully transparent or fully opaque, which is why GIF logos show a hard fringe on colored backgrounds. APNG re-encodes transparency with a full 8-bit alpha channel, so partially transparent and anti-aliased edges render smoothly. The original GIF's edges were already hard, so the conversion won't soften them retroactively, but it preserves the transparent regions and stores them in a format that supports proper soft edges going forward.
Both beat GIF on color and compression. APNG is lossless, plays in ~95% of browsers, and degrades gracefully to a static first frame where unsupported — a safe choice for stickers, emotes, and UI animations. Animated WebP usually produces smaller files and supports lossy compression, but support is slightly different across older clients. If small size matters most, try GIF to WebP; if you want lossless quality with a guaranteed static fallback, APNG is the better pick.
Yes. Drop in as many GIF files as you want and they convert in parallel on our servers. You can apply the same framerate, color, and resolution settings to every file or adjust them per file, then download the results individually or as a ZIP.
Use the reverse converter: APNG to GIF re-quantizes the animation to GIF's 256-color palette and 1-bit transparency for maximum compatibility. Expect some color banding and hard transparency edges back, since GIF can't carry APNG's full color and alpha — that's the cost of universal playback.
Yes. Your GIF is uploaded over an encrypted (TLS) connection, converted on our servers, and the upload is deleted automatically after a few hours. There's no sign-up, no watermark on the output, and files are never shared or made public. The only practical limit on a very large or long GIF is upload size and time, not your device.