MP4 to AVIF converter. Convert MP4 files to AVIF. No sign-up, no watermark, 100% private.
Three steps, a few seconds — no account needed.
Drag and drop or browse to add your MP4 file.
The output format is set to AVIF automatically.
Save your new AVIF file instantly.
Turn your file into a share-worthy AI Effect — one tap, no prompts.
Common formats are processed right in your browser; advanced formats use our secure server and are deleted immediately — never stored.
No queue and no daily limits. Use it as much as you want, free forever.
Download clean files immediately — no account, no email, no watermark.
SharkFoto's free MP4 to AVIF converter changes your MP4 files into AVIF in a couple of clicks. Common formats are processed right in your browser; advanced formats use our secure servers and are deleted immediately after conversion — never stored.
AVIF is a next-generation image format with excellent compression. Converting from MP4 — the universal video format that plays on virtually any device — makes your files easier to share, edit and open everywhere.
AVIF uses efficient compression; you can keep quality high while getting a smaller, more compatible file.
MP4 is the universal video container that plays on virtually every device and platform.
MP4 plays in any browser and media player.
AVIF is a next-generation image format based on the AV1 video codec. It delivers significantly smaller files than JPEG or WEBP at the same quality, with support for transparency and HDR.
AVIF opens in modern browsers (Chrome, Firefox, Safari) and recent image editors; older apps may need it converted to PNG or JPG.
Yes — it’s completely free with no sign-up, no watermark and no limit on how many files you convert.
Yes. Common formats are converted right in your browser; advanced formats use our secure server and are deleted immediately after conversion — never stored.
You can keep quality high; AVIF balances quality and file size well.
Drop your MP4 file in, the output is set to AVIF, then click download — no software to install.
Yes — convert as many MP4 files to AVIF as you like, free and unlimited.
Fast, clean and totally free — mp4 to avif done in seconds, no waiting around.
Love that my files are never stored. No sign-up, no watermark, just the result.
Bookmarked. The best free mp4 to avif I’ve found — simple and reliable.