FizzyTools Image Converter uses these open-source components. Thank you to their authors. - Svelte (MIT) https://github.com/sveltejs/svelte - jSquash (Apache-2.0) https://github.com/jamsinclair/jSquash @jsquash/jpeg MozJPEG (IJG License, BSD-3-Clause, zlib) https://github.com/mozilla/mozjpeg @jsquash/png PNG decoder (Apache-2.0 / MIT) @jsquash/oxipng OxiPNG (MIT) https://github.com/shssoichiro/oxipng @jsquash/webp libwebp (BSD-3-Clause) https://chromium.googlesource.com/webm/libwebp @jsquash/avif libavif (BSD-2-Clause), libaom (BSD-2-Clause + AOM Patent License 1.0) https://github.com/AOMediaCodec/libavif @jsquash/resize Squoosh resize (Apache-2.0) wasm-feature-detect (Apache-2.0) https://github.com/GoogleChromeLabs/wasm-feature-detect Codec code derived from Squoosh, Copyright Google LLC, Apache License 2.0. - UTIF.js (MIT), Photopea https://github.com/photopea/UTIF.js - pako (MIT and Zlib) https://github.com/nodeca/pako - fflate (MIT) https://github.com/101arrowz/fflate - 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 /image-converter/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. - Bricolage Grotesque, DM Sans (SIL OFL 1.1) /image-converter/fonts/ Apache License 2.0: https://www.apache.org/licenses/LICENSE-2.0