BMP to AVIF — Online Image Converter
Convert BMP to AVIF online. Private, client-side — no uploadrequired. Fast batch converter.
About BMP to AVIF
Convert BMP to AVIF. BMP is Windows' native raster format, commonly stored without compression. AVIF encodes stills and sequences with the AV1 codec for compact files. Older viewers may not open it; keep a JPEG or PNG copy for sharing..
Why convert BMP to AVIF?
- Flexible size with AVIF lossy or lossless compression - lossy for smaller files, lossless for exact quality.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
BMP vs AVIF
| Animation | No | Yes |
|---|---|---|
| Transparency | Yes | Yes |
| Compression | lossless or uncompressed | lossy or lossless |
| Typical use | BMP is Windows' native raster format, commonly stored without compression. | AVIF encodes stills and sequences with the AV1 codec for compact files. |
When not to convert BMP to AVIF
- Skip AVIF for archival masters: lossy compression discards detail, so keep the BMP original.
- No motion to preserve: BMP is a still, so pick AVIF for size or compatibility rather than animation.
Limits
Starting point: BMP - BMP is Windows' native raster format, commonly stored without compression. Uncompressed files run large; prefer PNG for the same pixels. Older viewers may not open it; keep a JPEG or PNG copy for sharing. Set the quality slider near 80-90 for AVIF photos from BMP, and keep dimensions matched to the source.
How conversion works
Conversion runs entirely in your browser with the WASM image engine. Files never leave your device.