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Credits
The open-source software, fonts and icons FitMyKB is built with, their licences, and a note on trademarks.
Our own artwork
The FitMyKB logo, the measuring-tape design, the exam diagrams and the share images are ours, drawn by our own code; none is copied from another website.
In your browser
PDFs are shown with PDF.js by Mozilla (Apache 2.0) and written with pdf-lib by Andrew Dillon and Cantoo (MIT). Videos are handled with Mediabunny (Mozilla Public License 2.0), text in pictures is read with Tesseract.js (Apache 2.0), and the cookie banner is CookieConsent by Orest Bida (MIT).
On our servers
The site runs on Flask (BSD), images are processed with Pillow (HPND) and OpenCV (Apache 2.0), backgrounds are removed with rembg (MIT) on ONNX Runtime (MIT), PDFs are handled with PyMuPDF (GNU AGPL 3.0) and converted with pdf2docx (MIT), and mobile numbers are checked with phonenumbers, the Python port of Google's libphonenumber (Apache 2.0).
Fonts and icons
Fraunces, Instrument Sans and IBM Plex Mono, and the fonts in the PDF editor (Carlito, Caladea, Lato, Anton and Noto), are used under the SIL Open Font License 1.1. Line icons are based on Feather by Cole Bemis (MIT) and Lucide (ISC).
Licence texts
The full licence of each library is kept with its files in our static/vendor folder and is sent with the code to your browser. Thank you to everyone who makes and maintains this software.
Trademarks
Exam bodies, apps and file formats mentioned on FitMyKB are trademarks of their owners, used only to describe what a tool works with; FitMyKB isn't connected with, sponsored or endorsed by them.