Open-source licences

The online tools on this website use these open-source parts. Thank you to their authors.

PDF.js

Opens and shows PDF pages in the PDF tools. © Mozilla Foundation and contributors. Licensed under the Apache License 2.0: apache.org/licenses/LICENSE-2.0.

pdf-lib

Creates and changes PDF files in Merge, Split, Rotate and Compress PDF.

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.

U²-Net (u2netp)

The cut-out model used by Remove Background and Passport & ID Photo, by Xuebin Qin and co-authors. Licensed under the Apache License 2.0: apache.org/licenses/LICENSE-2.0. The model runs on your own device.