Stirling-PDF vs Uptime Kuma
Detailed comparison to help you choose the right tool for your needs
S
Stirling-PDF
Self-hosted PDF toolkit with 60+ tools
4.6
Editorial RatingU
Uptime Kuma
Self-hosted monitoring tool — fancy alternative to Uptime Robot
4.7
Editorial RatingQuick Comparison
Rating
4.6
vs4.7
Starting Price
Free
vsFree
Pricing Model
freemium
vsfree
Feature
Stirling-PDF
Uptime Kuma
Merge & split PDFs
OCR text recognition
Digital signatures
Format conversion
Batch processing API
Self-hosted (Docker)
HTTP/TCP/DNS monitoring
Docker monitoring
Status pages
90+ notifications
Multi-language
Certificate expiry monitoring
Stirling-PDF Pros
- 60+ PDF operations in one tool
- Dead simple Docker deployment
- Documents never leave your server
- Active development (76K GitHub stars)
- API-first for workflow automation
- Ultra-lite image available (1GB RAM)
Stirling-PDF Cons
- Text editing still in alpha
- Not a full Adobe Acrobat replacement
- OCR requires full Docker image
- No real-time collaborative editing
- Enterprise features are newer
- No native mobile app
Uptime Kuma Pros
- Beautiful, modern UI
- 90+ notification channels
- Easy Docker setup
- Completely free
Uptime Kuma Cons
- Self-hosted only — no cloud option
- Single-node (no distributed monitoring)
- No built-in incident management