Stirling PDF
Stirling PDF is your private PDF toolbox: dozens of modern, fast utilities for everyday document work - without uploading sensitive files to random websites.
Why people love Stirling PDF
- A surprisingly polished UI: it feels like a modern web app, not a clunky admin tool.
- Powerful OCR: turn scanned PDFs into searchable, selectable text.
- It covers the “I just need to fix this PDF” moments: merge, split, compress, convert, sign, redact, and more.
- For advanced users: automation - run repeatable multi-step workflows (pipelines) instead of doing the same clicks every time.
Technical reference
Environment variables
TZ: Container timezone (optional).LANGS: Language list for OCR and UI support (optional).SERVER_HOST: Public URL for the service (optional).
Volumes and persistence
- Required for persistent users/settings: mount a volume to
/configs. - Recommended additional mounts when available:
/pipeline/usr/share/tessdata/logs/customFiles
- If your deployment platform supports only one persistent volume per service, prioritize
/configs.
Health check
- Recommended HTTP health endpoint:
/api/v1/info/status