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convert [image.heif] —> [output.avif]
[+] Convert HEIF to AVIF
[?] FAQ
How do I convert HEIF to AVIF?
Drop your HEIF file onto this page, adjust quality and optional dimensions, then click Convert. The result downloads as AVIF instantly. All processing runs in your browser.
Is HEIF to AVIF conversion free?
Yes, this converter is completely free with no limits on file size or number of conversions.
Will I lose quality converting HEIF to AVIF?
AVIF supports both lossless and lossy compression. Use the quality slider to balance file size and fidelity.
How do you store my files?
We do not store any processed images. All conversion happens entirely in your browser using WebAssembly.