Open-source notices

Image to PDF runs entirely in your browser. The components below are loaded only when they are needed. We do not change their code; our build tool only compresses it.

libheif (via libheif-js 1.19.8)

Used only to open HEIC/HEIF photos in browsers that cannot open them on their own. It is downloaded as a separate file the first time such a photo is added; it is not loaded otherwise.

libheif — GNU Lesser General Public License v3.0 (LGPL-3.0). Upstream source: github.com/strukturag/libheif
libde265 (HEVC decoder compiled into the same module) — LGPL-3.0. Upstream source: github.com/strukturag/libde265
Emscripten build used here: github.com/catdad-experiments/libheif-js — exact package: libheif-js-1.19.8.tgz

Full license texts (LGPL-3.0 and the GPL-3.0 it incorporates): libheif-LICENSE.txt.

The library is delivered as its own file and is not combined with this app's code, so it can be replaced by a modified version under the terms of the LGPL. To request the corresponding source in another form, use the links above.