Licences and credits

Tinystudy is made with the open parts below. They are shipped with the app, and the full licence text of each is served from this site. The versions are listed in VERSIONS.md (file names, sizes and checksums). This page is in English only.

Code and fonts we ship

• Tesseract.js 7.0.0: text recognition in your browser. Licence: Apache-2.0. Full licence text
• Tesseract.js core (WebAssembly) 7.0.0: the recognition engine. Licence: Apache-2.0. Full licence text
• tessdata_fast language data 4.1.0: the trained language files for text recognition. Licence: Apache-2.0. Full licence text
• Transformers.js (@huggingface/transformers) 4.3.0: runs the formula model in your browser. Licence: Apache-2.0. Full licence text
• ONNX Runtime Web 1.31.0-dev.20260914: the engine under Transformers.js. Licence: MIT. Full licence text
• PDF.js (pdfjs-dist) 6.3.289: reads PDF files in your browser. Licence: Apache-2.0. Full licence text
• KaTeX, including its fonts 0.18.9: shows formulas. Licence: MIT. Full licence text
• Pyodide 314.0.7: runs the study engine in your browser; the Pyodide files are shipped unchanged. Licence: MPL-2.0. Full licence text
• CPython (inside Pyodide) 3.14: the Python language that Pyodide runs, with its standard library. Licence: Python Software Foundation License. Full licence text
• Mediabunny 1.61.0: reads video and audio files in your browser; the files are shipped unchanged. Licence: MPL-2.0. Full licence text
• qrcode-generator 2.0.4: draws the QR code in Settings. Licence: MIT. Full licence text
• Caveat (font) 5.3.0: handwriting font. Licence: SIL Open Font License 1.1. Full licence text
• Fraunces (font) 5.3.0: headline font. Licence: SIL Open Font License 1.1. Full licence text
• Source Sans 3 (font) 5.3.0: text font. Licence: SIL Open Font License 1.1. Full licence text
• Shantell Sans (font) 5.3.0: handwriting font. Licence: SIL Open Font License 1.1. Full licence text

The KaTeX fonts (KaTeX_*.woff2) are shipped with KaTeX and are covered by the KaTeX licence above (MIT). All parts above may be used commercially under the licences named; the notices are kept as the licences require.

Formula model

The printed-formula reader is Pix2Text-MFR by BreezeDeus (MIT), reduced in size (int8) and rebuilt for the browser without retraining. Notice, source and changes: NOTICE.md. The model is based on these parent models:

• TrOCR (Microsoft Corporation): MIT licence. The MIT licence text is reproduced in the NOTICE file.
• DeiT (Meta Platforms, Inc.): Apache License 2.0. Full Apache-2.0 text.

Artwork

Artwork, icons and pictures: made for Tinystudy.

Questions

Write to support@projektai777.eu.

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