PNG to AVIF Converter

Convert PNG images to AVIF for the smallest possible file sizes with transparency support. AVIF can be 3-5x smaller than PNG. LessMB converts locally in your browser.

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JPG · PNG · WebP · GIF · AVIF · SVG

Aucun upload requis100% gratuitFonctionne dans le navigateur
Comment ça marche

PNG to AVIF Converter pour des flux privés dans le navigateur

3-5x smaller than PNG

AVIF dramatically outperforms PNG for file size while supporting transparency and millions of colors.

Transparency preserved

AVIF supports alpha transparency like PNG, so logos and icons keep their transparent backgrounds.

Local conversion

Your PNG is decoded and re-encoded as AVIF entirely in your browser. No server upload is needed.

Cas d'utilisation courants

Replace heavy PNG assets with lightweight AVIF for faster page loads.

Web performance

Keep transparency while dramatically reducing file size for web overlays.

Transparent graphics

Use AVIF for next-generation web design with the best compression available.

Modern websites

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FAQ

PNG to AVIF Converter Questions fréquentes

Réponses aux questions fréquentes sur cet outil, les usages pris en charge et le traitement local.

Sans uploadGratuitDans le navigateur
Does AVIF support transparency?

Yes. AVIF supports full alpha transparency like PNG, but with much smaller file sizes.

Is converting PNG to AVIF free?

Yes. LessMB converts PNG to AVIF for free in your browser without requiring an account.

Are files uploaded?

No. Conversion runs locally in your browser session.