Attribution
Open-Source Licenses & Credits
The free in-browser converter is built on open-source software served from this domain. This page reproduces the required notices. Nothing here changes what you may do with the files you convert — those remain entirely yours.
pdf.js — Mozilla Foundation (Apache License 2.0)
Used to render pages to images and to extract text. Version 6.3.289. Source: github.com/mozilla/pdf.js. Full license: /vendor/pdfjs/LICENSE.txt.
pdf.js bundles further components, each with its own notice served alongside the files:
- OpenJPEG (JPEG 2000 decoder, BSD-2-Clause) — notice; pdf.js build wrapper — notice.
- JBIG2 decoder from PDFium (BSD-3-Clause) — notice; pdf.js wrapper (Apache-2.0) — notice.
- qcms colour management (MIT) — notice and notice.
- Adobe CMap resources (BSD-3-Clause) — notice.
- Standard fonts: Foxit fonts from PDFium (BSD-3-Clause) — notice; Liberation Fonts by Red Hat (GPL-2.0 with font-embedding exception) — notice.
- ICC profile (CC0 1.0) — notice.
pdf-lib — Andrew Dillon (MIT License)
Used to merge, split, rotate and build PDFs. Version 1.17.1. Source: github.com/Hopding/pdf-lib.
MIT License Copyright (c) 2019 Andrew Dillon Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
The converter itself
The converter's own interface and conversion code (/assets/converter.js) is © 2026 PDFConverterOnline.com, all rights reserved. Only the libraries listed above are open source.
Trademarks
PDF is an open ISO standard (ISO 32000). Adobe, Acrobat, Microsoft Word and every other product name on this site are trademarks of their respective owners, used only to identify the products discussed. PDFConverterOnline.com is not affiliated with or endorsed by any of them.