Rebytify Rebytify
Free · Private · Browser-based

Convert JPG to AVIF Free

AVIF provides the best compression of any widely-supported format, achieving 40-60% smaller files than JPG for photographs at equivalent quality. The format handles smooth gradients and skin tones better than JPG, avoiding the banding and blocking artefacts that appear at high compression. For web developers, serving AVIF (with a JPG fallback) is the current state of the art for image delivery performance.

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PNG, JPG, WebP, AVIF, HEIC · Up to 50 files or 500.0 MB

Target size

Output format

JPG→AVIF·Conversion happens entirely in your browser

Other conversions

PNG to JPGPNG to WebPPNG to AVIFJPG to PNGJPG to WebPWebP to PNGWebP to JPGWebP to AVIFAVIF to PNGAVIF to JPGAVIF to WebPHEIC to PNGHEIC to JPGHEIC to WebPHEIC to AVIF

Frequently asked questions

How much smaller is AVIF compared to JPG?
AVIF is typically 40-60% smaller than JPG at equivalent visual quality for photographic content. Portraits and landscapes with smooth areas compress dramatically; high-detail images see more modest gains.
Is AVIF encoding slow?
Yes - AVIF encoding is significantly slower than JPG or WebP due to the more complex AV1 compression algorithm. Rebytify runs conversion in a background thread so your browser stays responsive, but expect a few seconds per image.
What browsers support AVIF?
AVIF is supported in Chrome 85+, Firefox 93+, Safari 16+, and Edge 121+. Use a <picture> element with a JPG fallback to cover all users.