License

License and attribution

Last updated: June 29, 2026. This page records the app license and the current browser-engine boundary.

App license

PDF Shrink is proprietary software distributed through the Apple App Store. You receive a personal, non-transferable license to use the app on Apple devices you own or control.

Open-source attribution

The free browser tools run entirely client-side using permissively licensed open-source libraries: pdf-lib (MIT) and PDF.js (Apache-2.0). Restrictive (e.g. AGPL) engines are not used.

Website

The public website is static HTML, CSS, and JavaScript generated from this repository, plus the vendored pdf-lib and PDF.js libraries noted above. App Store purchases are handled by Apple.