heic-to 1.6.7, by Hopper Gee. Distributed under LGPL-3.0-or-later.
The browser module is copied from the npm package without changes.
License: ./LICENSE.txt
Source and build instructions: https://github.com/hoppergee/heic-to/tree/v1.6.7
Source archive: https://github.com/hoppergee/heic-to/archive/refs/tags/v1.6.7.tar.gz
Upstream decoder sources: https://github.com/strukturag/libheif/tree/v1.23.7
Upstream HEVC decoder sources: https://github.com/strukturag/libde265/tree/v1.0.16
To use a modified decoder, rebuild the upstream project and replace csp.js with its dist/csp/heic-to.js.