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ICO to APNG — Online Image Converter
Convert ICO to APNG online. Private, client-side — no uploadrequired. Fast batch converter.
Convert ICO to APNG
About ICO to APNG
Convert ICO to APNG. ICO bundles multiple resolutions of an icon in one container file. APNG extends PNG with animation support. Animations stay animated where the target supports it..
Why convert ICO to APNG?
- Larger files than lossy shares with APNG lossless quality.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
ICO vs APNG
| Animation | No | Yes |
|---|---|---|
| Transparency | Yes | Yes |
| Compression | lossless | lossless |
| Typical use | ICO bundles multiple resolutions of an icon in one container file. | APNG extends PNG with animation support. |
When not to convert ICO to APNG
- Skip APNG for the smallest share: lossless output stays large, so prefer a lossy target when sending ICO files.
- No motion to preserve: ICO is a still, so pick APNG for size or compatibility rather than animation.
Limits
Starting point: ICO - ICO bundles multiple resolutions of an icon in one container file. Conversion rasterizes one size, so start from the largest entry. Animations stay animated where the target supports it. Export APNG from ICO at matched dimensions; every pixel maps across, so large sources stay large.
How conversion works
Conversion runs entirely in your browser with the WASM image engine. Files never leave your device.
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FAQ
How do I convert ICO to APNG?
Drop your ICO file onto this page, adjust quality and optional dimensions, then click Convert. The result downloads as APNG instantly. All processing runs in your browser.
Will I lose quality converting ICO to APNG?
This format is lossless - converting preserves all pixel data at maximum quality.
How do you store my files?
We do not store any processed images. All conversion happens entirely in your browser using WebAssembly.