Convert HEIC to AVIF right in your browser
Free and unlimited, and nothing is uploaded: it all runs in your own browser. Open Image Converter
What changes when you convert HEIC to AVIF
- Both formats are lossy. Re-encoding adds a second generation of loss, so keep quality high (80+) unless size matters more than fidelity.
- Both formats keep transparency, so alpha survives the conversion.
- AVIF image encoding exposes a quality control; around 80 is the usual sweet spot.
- Encoding is noticeably slower than JPG/WEBP because AV1 is expensive to encode.
How to convert HEIC to AVIF
- Add your HEIC file — drag it onto the page or choose it. It stays on your device.
- Pick AVIF as the output format and set the quality slider.
- Press convert and download the result — individually or as one ZIP.
Questions
How do I convert HEIC to AVIF for free?
Add your HEIC file on this site, choose AVIF, and press convert. The whole conversion runs in your own browser — nothing is uploaded — and the AVIF file downloads straight from your device.
Will converting HEIC to AVIF lose quality?
Both formats are lossy. Re-encoding adds a second generation of loss, so keep quality high (80+) unless size matters more than fidelity.
Does AVIF keep everything HEIC supports?
Yes within the format’s own limits — pixels, timing and structure survive the conversion.