What HEIC to AVIF does
HEIC to AVIF re-encodes a HEIC image as a AVIF file in the browser, keeping the resolution while changing the format.
- HEIC to AVIF
How do I convert HEIC to AVIF?
Convert HEIC to AVIF by uploading your HEIC image; the tool re-encodes it as a AVIF file that you can download instantly. Adjust the quality to balance size and clarity. It runs in your browser, so your image is never uploaded.
- Convert HEIC images to AVIF in seconds
- Keeps the original resolution
- Quality slider for the best size/clarity balance
- 100% client-side
What is
HEIC to AVIF
A converter that changes a HEIC image into the AVIF format directly in the browser.
Image Tools
Related terms
image converteravif
Frequently Asked Questions
Yes.
Your HEIC image keeps its pixel dimensions; only the file format changes to AVIF.
Compatibility or size.
AVIF is widely supported and can offer better compatibility or smaller files than HEIC depending on the image.
No.
The conversion is done locally with the Canvas API.
Detailed Explanation
How it works
The image is decoded onto a canvas and re-encoded to AVIF with the Canvas toBlob API at your chosen quality.
- Canvas re-encoding
Use cases
Use it when a site, app or device needs AVIF instead of HEIC, or to reduce file size.
- Compatibility and size
Limitations
Converting to a lossy format can reduce quality, and some formats (like HEIC) depend on browser support for decoding.
- Lossy loss; browser support
Privacy
Everything is processed in your browser with canvas; your images are never uploaded to a server.
- 100% local
- No upload