Open-source acknowledgements

FormRedi uses open-source software. License notices for installed components are included in the third-party notices.

Image and PDF engines

• pdf-lib — MIT
• PDF.js — Apache-2.0
• fflate — MIT
• libheif-js — LGPL-3.0, including libheif and its decoder components. See the bundled license notices.

HEIC source and replacement

The HEIC decoder is distributed as a separate, unmodified library. You may replace the decoder at /engines/libheif-bundle.js with a compatible modified build; the worker interface is supplied with the app source.

Corresponding source and build information · HEIC decoder license