FizzyTools Compress PDF uses these open-source components. Thank you to their authors.

- Svelte (MIT)                       https://github.com/sveltejs/svelte
- @cantoo/pdf-lib (MIT)              https://github.com/cantoo-scribe/pdf-lib
- pdf.js / pdfjs-dist (Apache-2.0)   https://github.com/mozilla/pdf.js
    Its data files are served unmodified from /compress-pdf/vendor/pdfjs/ with their licence files alongside:
    Adobe CMaps (BSD-style), standard font data (Foxit: BSD-style; Liberation: Liberation font licence),
    image decoders built from PDFium JBIG2 (BSD-style) and OpenJPEG (BSD-2-Clause), and qcms (MIT).
- jSquash JPEG / MozJPEG (Apache-2.0; MozJPEG: IJG and BSD-style licences)   https://github.com/jamsinclair/jSquash
- fflate (MIT)                       https://github.com/101arrowz/fflate
- Bricolage Grotesque, DM Sans (SIL OFL 1.1) /compress-pdf/fonts/