Convert BMP to AVIF
Turn BMP files into AVIF in seconds. Convert many files at once; everything happens on your device, so it's fast and private.
Open HWP, Figma, archives, mail, CAD and 200+ formats right on your device — offline, from the Files app or the share sheet.
How to convert
- Drop your BMP files into the box above, or click to choose.
- Under "Convert to", click AVIF.
- Your AVIF file downloads automatically when it's done.
Uncompressed Windows bitmap. Large files, but supported by almost every program.
Next-generation image format based on AV1. Excellent quality at very small sizes.
FAQ
Is it really free?
Yes. No sign-up and no watermark. The site is supported by ads, and Pro removes them.
Are my files uploaded?
No. Every conversion runs inside your browser on your own device, so private documents stay private.
What's the difference between BMP and AVIF?
BMP: Uncompressed Windows bitmap. Large files, but supported by almost every program. AVIF: Next-generation image format based on AV1. Excellent quality at very small sizes.
Does it work on my phone?
Yes. It works the same in iPhone and Android browsers.