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GIF to APNG

Upgrade one GIF to APNG via FFmpeg apng codec at locked 10fps and source dimensions (Lanczos) — 24-bit color plus 8-bit alpha, no size/quality settings. Result panel shows GIF vs APNG KB with ±% change; saves as <name>.png. Modernize sticker packs — local FFmpeg work, unlimited saves.

Runs on FFmpeg

100% Local Browser Native

How to Use the GIF to APNG

1. Upload one GIF

Single animated file; header shows WxH, frame count, and KB.

2. Convert to APNG

No settings — fps locks to 10, dimensions stay at source size, apng codec does the rest.

3. Download APNG

Saves as <name>.png with the KB delta shown (±%).

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Frequently Asked Questions

APNG vs GIF — what improves?

24-bit color (no 256-color banding) plus 8-bit alpha transparency at the same source dimensions. Files often grow rather than shrink — the panel prints the exact ±% so you decide per sticker.

Where does APNG play?

All modern browsers, iMessage, and most 2020+ apps; legacy GIF-only systems still need GIF. Ship APNG primary with GIF fallback.

Does frame rate survive?

No — output fps locks to 10 regardless of source rate, so higher-rate GIFs retime. Preview motion smoothness before converting motion-critical clips.

Do animations upload?

No — conversion runs locally in your browser with FFmpeg. Saves never touch a meter — downloads on local tools are unlimited.

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APNG to GIF

Convert one APNG to GIF in your browser with FFmpeg WASM — frame rate picker 10/15/24/30fps (default 10), output width 320/480/640/800px (default 320, height auto), palettegen/paletteuse optimize, loop-forever output. Photos never leave your device.

Last updated October 2026