FizzyTools HEIC to JPG uses these open-source components. Thank you to their authors.

- Svelte (MIT)                       https://github.com/sveltejs/svelte
- heic-to (LGPL-3.0), includes libheif (LGPL-3.0) and libde265 (LGPL-3.0)
                                     https://github.com/hoppergee/heic-to
    Shipped unmodified as a separate file at /heic-to-jpg/vendor/heic-to/heic-to.min.js with its LICENSE and SOURCE.txt,
    loaded only in browsers that can't open HEIC photos themselves. You may replace that file with your own build.
- fflate (MIT)                       https://github.com/101arrowz/fflate
- Bricolage Grotesque, DM Sans (SIL OFL 1.1) /heic-to-jpg/fonts/