Bynd PDF
Open-Source Licences & Credits
The libraries, AI models and fonts that make Bynd PDF possible, and the licences they come under.
Last checked: 20 September 2026
Bynd PDF is built on open-source software and openly licensed AI models. This page lists what we use and under which licence, as declared by each publisher. The licence identifiers below were checked against the publishers' own repositories and model pages on 20 September 2026. Every item permits commercial use.
AI models
These models run inside your browser and are downloaded once, from their public hosts, when you first use the matching tool. Your files are never sent anywhere.
| Tool | Model | Licence |
|---|---|---|
| Background Removal | ORMBG (ONNX) by schirrmacher | Apache-2.0 |
| Remove Watermark (AI) | MI-GAN by Picsart AI Research (official ONNX pipeline from andraniksargsyan/migan) | MIT |
| Face Blur | BlazeFace (short-range) via Google MediaPipe | Apache-2.0 (per Google's model card) |
| Audio to Text, Subtitles | Whisper tiny.en by OpenAI (ONNX build) | Apache-2.0 (model card); MIT (OpenAI code) |
| Chat with PDF | DistilBERT base cased, SQuAD (ONNX build) | Apache-2.0 |
| Summarize | T5-small (ONNX build) | Apache-2.0 |
| Translate (English and Hindi) | OPUS-MT en-hi, hi-en by Helsinki-NLP, © University of Helsinki. Converted to ONNX format only. | CC-BY-4.0 (as stated by the OPUS-MT project; the Hugging Face cards list Apache-2.0) |
| OCR | Tesseract trained data (tessdata 4.0.0) | Apache-2.0 |
Software libraries
Loaded unmodified from public CDNs (cdnjs and jsDelivr).
| Library | Version | Licence |
|---|---|---|
| pdf-lib | 1.17.1 | MIT |
| @pdf-lib/fontkit | 0.0.4 | MIT |
| PDF.js | 3.11.174 | Apache-2.0 |
| JSZip | 3.10.1 | MIT (offered as MIT or GPL-3.0; used under MIT) |
| Fabric.js | 5.3.0 | MIT |
| Tesseract.js and core | 5.0.4 / 5.0.0 | Apache-2.0 |
| Transformers.js | 3.0.2 and 4.3.0 | Apache-2.0 |
| ONNX Runtime Web | 1.20.1 | MIT |
| MediaPipe Tasks Vision | 0.10.14 | Apache-2.0 |
| heic2any | 0.0.4 | MIT (bundles libheif and libde265, both LGPL) |
| lamejs | 1.2.1 | LGPL-3.0 |
| gifenc | 1.0.3 | MIT |
| docx | 9.5.1 | MIT |
| PptxGenJS | 3.12.0 | MIT |
| xlsx-js-style | 1.2.0 | Apache-2.0 |
| Mammoth | 1.12.2 | BSD-2-Clause |
| QRCode.js | 1.0.0 | MIT |
| JsBarcode | 3.12.3 | MIT |
| Firebase JS SDK | 10.7.0 | Apache-2.0 |
lamejs, libheif and libde265 are licensed under the GNU Lesser General Public License. They are loaded as separate, unmodified scripts, so you can replace them with your own build. Their source code is available at the links above.
Fonts
| Font | Licence |
|---|---|
| Inter and JetBrains Mono (served from this site) | SIL Open Font License 1.1. Copies: Inter, JetBrains Mono |
| Roboto, Open Sans, Playfair Display, Poppins, Merriweather, Dancing Script, Great Vibes, Pacifico, Caveat, Sacramento (from Google Fonts) | SIL Open Font License 1.1. Copies of each licence are stored next to the font files in fonts/embed/. These fonts are now served from this site. |
Notes
Names and logos of the projects above belong to their owners. Everything is provided under the respective licence terms, without warranty. This page is informational and is not legal advice. If you believe an entry is wrong or you are the owner of one of these projects and want the attribution changed, email contactdarksiltlabs@gmail.com.