HEIC to AVIF Converter
Convert HEIC to AVIF online with this free converter. Drop your HEIC files below and get AVIF files in seconds, right in your browser.
or drop them here. Nothing is uploaded.
How to convert HEIC to AVIF
- Drop your HEIC files into the box above, or click to choose them.
- Optionally adjust the quality slider. Conversion starts automatically in your browser.
- Download your AVIF files one by one, or all together as a ZIP.
HEIC vs AVIF
| HEIC | AVIF | |
|---|---|---|
| Type | Lossy | Lossy |
| Transparency | Yes | Yes |
| Animation | No | Yes |
| Works with | Apple devices; Windows and Android need extra software | Recent browsers and devices; many older apps cannot open it |
| Best for | Saving phone storage | Smallest possible web images |
| File size | About half the size of a similar-quality JPG | Often the smallest of all formats at high quality |
Why convert HEIC to AVIF?
- Open iPhone photos on Windows, Android and the web
- Upload photos to sites that reject HEIC
- Smallest file sizes at high quality
- Fast-loading websites
Frequently asked questions
Will converting HEIC to AVIF reduce quality?
Both HEIC and AVIF are lossy, so re-encoding adds a small extra loss. Keep the quality slider high (80-90%) to preserve detail.
Why won't my HEIC files open everywhere?
HEIC is Apple's default photo format, and many Windows, Android and web apps can't open it. Converting to AVIF makes them open on practically every device and app.
Will the AVIF file be bigger or smaller than my HEIC?
It depends on the image. AVIF is often the smallest of all formats at high quality. Convert one file and compare the sizes shown next to the download button.
Are my images uploaded to a server?
No. ImgHint converts files in your browser, so your images never leave your device.
Is this converter free? Is there a file size limit?
It's free with no sign-up. Because conversion runs on your device, the practical limit is your device's memory.