Third-Party Credits
Stirling PDF is built on these open-source projects.
Server-Side#
- PDFBox - Core PDF manipulation
- JPDFium - PDFium-based engine used for merge/split and reading text and tables from PDFs
- LibreOffice - Office document conversions
- qpdf - Specialized PDF operations
- Tesseract OCR - Text recognition from images
- OpenCV - Image processing
Frontend#
- React + TypeScript with Vite
- EmbedPDF / PDF.js - PDF viewing and annotation
- pdf-lib - Client-side PDF manipulation
- Mantine - UI components
- i18next - 40+ language translations
Desktop#
- Tauri - Native app framework (Windows, Mac, Linux)
Browser File Storage#
Files are stored locally in your browser's IndexedDB between operations. They never leave your device until you process them. Clear storage when done on shared computers.