HEIC to AVIF Converter

Moving an iPhone photo to the web is the case: HEIC is efficient on the phone, AVIF is the efficient format the web understands. HEIC is the photo format iPhones use by default, efficient on the phone but unreadable in many desktop tools and browsers. This free heic to avif converter does that conversion entirely in your browser, so your file is never uploaded and no signup is needed. AVIF output is encoded by your browser at the quality you choose, so file size and quality trade off against each other. The honest limits: AVIF encoding depends on your browser. If it cannot encode AVIF, the tool reports that plainly instead of handing you a mislabeled file.

How to use this heic to avif converter

From a HEIC file to a AVIF file, without uploading anything.

1Drop in your HEIC file

Choose a .heic file from your device, or drag it onto the tool.

2Pick an AVIF quality

Choose a quality from 1 to 100. Higher keeps more detail and a larger file; lower shrinks the file further.

3Download the AVIF file

The converted file downloads with the same base name and the new extension, ready to use.

Why convert HEIC to AVIF

Moving an iPhone photo to the web is the case: HEIC is efficient on the phone, AVIF is the efficient format the web understands.

The right format for the job

HEIC is the photo format iPhones use by default, efficient on the phone but unreadable in many desktop tools and browsers.

What AVIF gives you

AVIF output is encoded by your browser at the quality you choose, so file size and quality trade off against each other.

Watch out for this

AVIF encoding depends on your browser. If it cannot encode AVIF, the tool reports that plainly instead of handing you a mislabeled file.

Private by design

Decoding and encoding happen on your own device, so personal photos and unpublished artwork never leave your browser.

HEIC to AVIF Converter FAQs

Short, direct answers to the questions readers ask most.

Quality depends on the setting you choose and on the source. A high quality setting keeps more detail with a larger file; a low setting shrinks the file at visible cost. The tool never claims a fixed size saving.

HEIC is the photo format iPhones use by default, efficient on the phone but unreadable in many desktop tools and browsers.

AVIF output is encoded by your browser at the quality you choose, so file size and quality trade off against each other.

AVIF encoding depends on your browser. If it cannot encode AVIF, the tool reports that plainly instead of handing you a mislabeled file.

Yes. It runs entirely in your browser, with no account, no signup, and nothing uploaded.