Open-source licenses
SmartPDFConvert uses these open-source libraries, with thanks to their authors:
- pdf-lib – MIT License
- Transformers.js (Hugging Face) – Apache License 2.0
- ormbg background-removal model (Jonathan Schirrmacher) – Apache License 2.0
- PDF.js (Mozilla) – Apache License 2.0
- Kokoro-82M speech model (hexgrad) and kokoro-js – Apache License 2.0; the voice engine uses eSpeak NG phonemizer data – GPL-3.0 (source: github.com/espeak-ng/espeak-ng)
- Fonts used by Change PDF Font: Inter, Poppins, Carlito, Caladea, Lora and Liberation – SIL Open Font License 1.1; TeX Gyre Adventor, Pagella, Bonum, Schola, Chorus and Latin Modern – GUST Font License; DejaVu – Bitstream Vera / DejaVu free licence
- lamejs MP3 encoder – LGPL-3.0 (source: github.com/zhuker/lamejs)
- docx – MIT License
- JSZip – MIT License
- heic2any – MIT License, which includes libheif – LGPL-3.0 (source: github.com/strukturag/libheif)
- marked – MIT License
- DOMPurify – Apache License 2.0 / MPL 2.0
- html-to-image – MIT License
- sRGB colour profile used by PDF to PDF/A – created by SmartPDFConvert, free to use
- opentype.js – MIT License (used by the Logo Maker to turn letters into shapes)
- fontkit (@pdf-lib/fontkit) – MIT License (embeds fonts in eBook Maker print PDFs)
- Book fonts – EB Garamond, Libre Baskerville, Crimson Pro, Merriweather, Lora, Source Sans 3 and Andika – SIL Open Font License 1.1 (used by the eBook Maker; allowed in commercial books)
- Fonts used by the Logo Maker: Pacifico, Lobster, Great Vibes, Kaushan Script, Dancing Script, Bebas Neue, Anton, Bangers, Lilita One, Russo One, Alfa Slab One, Abril Fatface, Righteous, Black Ops One, Fredoka, Baloo 2, Cinzel, Playfair Display, Cormorant Garamond, Montserrat, Oswald, Raleway, Orbitron, Audiowide, Noto Nastaliq Urdu, Noto Naskh Arabic and Cairo – SIL Open Font License 1.1; Satisfy, Yellowtail and Permanent Marker – Apache License 2.0
- Tesseract OCR (tesseract.js-core) and tessdata_fast language data – Apache License 2.0
- Fonts used by Magic Layers: Inter, Poppins, Lato, Lora, Fraunces and Liberation fonts – SIL Open Font License 1.1; Roboto Slab – Apache License 2.0; TeX Gyre Heros, Adventor and Chorus – GUST Font License
Full license texts: pdf-lib · PDF.js · docx · JSZip · heic2any · marked · DOMPurify · html-to-image · Tesseract · tessdata · SIL Open Font License · GUST Font License · opentype.js · Apache License 2.0