FREEHEICTOJPG

Open source

This tool is built on open-source software. The image decoder is delivered as separate, replaceable JavaScript and WebAssembly assets.

Image decoder

libheif 1.23.4 and libde265 1.1.2 are licensed under the GNU Lesser General Public License, version 3. Copyright remains with their respective contributors. They are provided without warranty as described in their license terms.

Read the libheif LGPL/GPL license text and libde265 LGPL/GPL license text. The corresponding source and build instructions are available for this deployed decoder, including the JavaScript interface and any build adaptations.

For a modified version, replace /vendor/libheif.js and /vendor/libheif.wasm with your compatible build. The worker loads these files directly without an integrity lock. The supplied source package explains how to build and run a replacement. You may modify the library and reverse engineer the combined work for debugging those modifications as allowed by the LGPL.

ZIP downloads

fflate 0.8.2 by Arjun Barrett and contributors is licensed under MIT. Read its license.

Independent project

FreeHEICtoJPG is not affiliated with or endorsed by Apple, Google or the authors of these libraries. Product and format names belong to their respective owners.