Free HEIC to AVIF converter

Why convert HEIC to AVIF?

People convert HEIC to AVIF because an iPhone saves photos as HEIC, and Windows, Android and most websites simply refuse to open them, while AVIF cuts the same picture to a fraction of the size with no visible loss.

How to convert HEIC to AVIF

1. Choose your HEIC file. Drop it on the box above, or tap to browse. You can pick several files at once.
2. Confirm the target is .avif. It is preselected when your browser can encode it; otherwise the closest available target is chosen. Adjust quality, size or the other options if you want to.
3. Convert and download. Press Convert, then Download. Your file stays on your device the whole time.

What is a .heic file?

HEIC is the format iPhones have used for photos since iOS 11. It stores a picture in roughly half the space of a JPG at the same quality, but it is patent-encumbered: Windows, Android and every browser except Safari refuse to open one without extra software. That single fact is why HEIC to JPG is one of the most searched conversions on the internet.

What is a .avif file?

AVIF uses the AV1 video codec to compress still images, often landing at half the size of an equivalent JPG. Browsers display it well; most desktop software does not yet. Use it for pages you build, and convert it to JPG or PNG for anything you need to send to another person.

What to expect from this conversion

The image is decoded and re-encoded, so keep the quality slider at 85% or above — at that setting the difference is invisible to the eye. Transparency is flattened onto white for formats that cannot store it, such as JPG. HEIC photos carry their orientation as metadata, which is applied before conversion so the picture is never sideways.

Is it private?

Yes, by design. Every conversion happens inside your own browser using your device’s processor — there is no server that receives your HEIC file, so there is nothing for anyone to store, scan or leak. You can confirm it yourself: open your browser’s developer tools, watch the Network tab while you convert, and you will see no upload.

Questions about HEIC to AVIF

Is this HEIC to AVIF converter free?

Yes, completely. There is no account, no daily limit, no watermark and no premium tier.

Is my HEIC file uploaded to a server?

No. The conversion runs inside your own browser using your device's processor. The file is read from your disk, converted in memory and saved back to your disk — nothing is transmitted, so there is nothing for anyone to store.

What happens to the quality?

The image is decoded and re-encoded, so keep the quality slider at 85% or above — at that setting the difference is invisible to the eye. Transparency is flattened onto white for formats that cannot store it, such as JPG. HEIC photos carry their orientation as metadata, which is applied before conversion so the picture is never sideways.

Can I convert several HEIC files at once?

Yes. Select as many files as you like and they are converted one after another in a single tap, with a download for each and a zip of all of them.

Should I keep the original HEIC file?

Yes — keep it, converting never touches it. The reason to make a copy in another format is that an iPhone saves photos as HEIC, and Windows, Android and most websites simply refuse to open them.

Why can my computer not open HEIC files?

HEIC is patent-encumbered, so Windows, Android and most browsers do not include a decoder. Safari on Apple devices is the exception. Convert Files carries its own decoder, so it works in any browser.

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