Converter
AVIF Converter — Encode & Decode AVIF in Your Browser100% Private and Secure
- Convert
- Mobile Friendly
- Accessibility Tested
- SEO Optimized
- Responsive
Version 1.0.0 · Last reviewed
How it worksShow guide
Introduction
Convert JPG, PNG, WebP, and other rasters to AVIF for smaller files, or decode AVIF back to JPG, PNG, or WebP. FFmpeg runs in your browser — files stay on your device.
Step-by-step
- Choose To AVIF or From AVIF
- Drop one or more images
- Set quality and output (when decoding)
- Convert and download each result
Worked example
A 900 KB PNG becomes a ~120 KB AVIF at quality 80. An AVIF from a CDN decodes to PNG for editing.
Use cases
- Ship AVIF hero images for faster page loads
- Convert AVIF downloads to JPG for older workflows
- Batch re-encode photos to modern AVIF stills
Frequently asked questions
Do I need the internet?
Decoding AVIF to PNG/JPG/WebP often works offline in modern browsers. Encoding to AVIF loads FFmpeg once (then cached).
Will every browser show AVIF?
AVIF is widely supported on current browsers; keep a JPG or WebP fallback on production sites.
Are files uploaded?
No. Conversion runs locally with canvas and FFmpeg WASM.
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