Convert HEIC to WebP in your browser

Compresso converts iPhone HEIC photos to WebP locally. WebP typically yields smaller files than JPEG at similar quality.

Open the free app

How it works

Open Compresso.
Drop your HEIC file and select WebP or Auto.
Download the WebP — processed entirely on your device.

Common questions

Why WebP over JPEG?: WebP often produces smaller files at the same visual quality.

For developers

Embed compression in your upload flow:

npm install compresso.js

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