Convert HEIC to AVIF
Convert iPhone HEIC photos to AVIF — the modern format that's smaller than HEIC and universally web-compatible.
Converting HEIC to AVIF moves your photo from a format that only works inside the Apple ecosystem to one that works on the modern web. AVIF is the successor to WebP and offers compression comparable to or better than HEIC, but with truly universal browser support. If you are publishing iPhone photos online, AVIF is the format that gives you the smallest files without sacrificing audience reach.
Drop an image or click to upload
HEIC, AVIF, WebP, PNG, JPG supported · Max 50MB
About this conversion
AVIF vs HEIC
Both AVIF and HEIC use modern compression that produces dramatically smaller files than JPG at equivalent quality. The technical difference is the underlying codec: HEIC uses HEVC (patent-encumbered), AVIF uses AV1 (royalty-free). The practical difference is reach — every modern web browser supports AVIF natively, while HEIC support outside Apple platforms is rare.
When to convert HEIC to AVIF
Convert HEIC to AVIF when you are publishing iPhone photos to the web — a personal site, a portfolio, a blog post, a product listing, or a social media platform that supports AVIF. The smaller file size means faster page loads and lower bandwidth costs. For private sharing or printing, JPG is still a better destination.
Compatibility caveat
AVIF is well supported in modern browsers (Chrome, Firefox, Safari, Edge — all current versions), but operating system and email client support lags behind. Do not email someone an AVIF file expecting them to open it directly; convert to JPG for that. AVIF shines specifically when the image will be displayed by a web browser.
Quality and file size
At ImageFixer's recommended quality settings, an AVIF converted from a typical iPhone HEIC photo is usually 30 to 50% smaller than the source — already an impressive improvement over an already-efficient format. The result looks identical to the source in normal viewing.
Frequently asked questions
Is this free to use?
Yes. Single-image conversion is free with no signup required. Pro unlocks batch processing and more.
Are my files private?
Completely. All processing happens in your browser — no file is ever sent to a server.
What formats are supported?
HEIC, HEIF, AVIF, WebP, PNG, and JPG are all supported as input and output formats.