Open Source Licenses
Sveltiq's compression engine is built on excellent open source software, all under permissive licenses (MIT / Apache-2.0 / BSD / Zlib). Copyright notices and licenses are listed below. Everything is served from this site — nothing is fetched from external servers.
| Component | Used for | License |
|---|---|---|
| pdf-lib | Reading & writing PDFs | MIT (bundled tslib: Apache-2.0) |
| pdf.js (JPEG / JPX decoders, renderer) | Image/PDF decoding & self-verification | Apache-2.0 (Mozilla Foundation) |
| @jsquash/jpeg | JPEG re-encoding (WASM) | Apache-2.0 |
| MozJPEG / libjpeg-turbo (WASM) | High-quality JPEG compression | BSD-3-Clause AND IJG AND Zlib |
| pako | zlib compression | MIT AND Zlib |
| JSZip | Office (pptx/docx/xlsx) packing | MIT |
Full license texts
- pdf-lib (MIT) / bundled tslib (Apache-2.0)
- pdf.js (Apache-2.0)
- JSZip (MIT)
- pako (MIT AND Zlib)
- @jsquash/jpeg (Apache-2.0)
- MozJPEG / libjpeg-turbo (BSD-3-Clause AND IJG AND Zlib)
All product names are trademarks or registered trademarks of their respective owners. If you spot an error on this page, please let us know via the contact form.