Third-Party Licenses

Obscura Document Redaction uses third-party software and fonts. Below is a concise list of the components we rely on and their licenses.

Browser Libraries

pdf.js - PDF rendering and text extraction. License: Apache 2.0.
jsPDF - PDF creation for exports. License: MIT.
Tesseract.js - OCR in the browser. License: Apache 2.0.
IBM Plex Sans - UI font. License: OFL 1.1.
Space Grotesk - Headline font. License: OFL 1.1.

Server Components

These components run on our servers to process documents and images. They are not distributed to you.

LibreOffice - DOC/DOCX conversion. Licenses: MPL 2.0, LGPLv3+, Apache 2.0.
Sharp and libvips - Image conversion. Licenses: Apache 2.0, LGPL 2.1+.
libheif - HEIC/HEIF decoding. License: LGPL 3.0+.
ImageMagick - Optional conversion fallback. License: Apache 2.0.
heif-convert - Optional HEIC/HEIF tools. License: LGPL 3.0+.