This tool is built by Pixara Web Solutions and uses the following open-source libraries. Their licence texts are linked below.
| Library | Version | Licence | Full text |
|---|---|---|---|
| PDF.js (Mozilla) | 4.10.38 | Apache 2.0 | Read |
| PDFjs-Notice | 2.1.0 | MIT | Read |
| pdf-lib | 1.17.1 | MIT | Read |
| pako | 1.0.11 | MIT | Read |
| UPNG.js | 2.1.0 | MIT | Read |