Supabase vs Stirling-PDF

Detailed comparison to help you choose the right tool for your needs

S

Supabase

The open source Firebase alternative

4.5
Editorial Rating
S

Stirling-PDF

Self-hosted PDF toolkit with 60+ tools

4.6
Editorial Rating

Quick Comparison

Rating

4.5
vs
4.6

Starting Price

Free
vs
Free

Pricing Model

freemium
vs
freemium
Feature
Supabase
Stirling-PDF
PostgreSQL database
Authentication
Storage
Edge functions
Realtime
REST & GraphQL APIs
Merge & split PDFs
OCR text recognition
Digital signatures
Format conversion
Batch processing API
Self-hosted (Docker)

Supabase Pros

  • Open source — no vendor lock-in
  • Full PostgreSQL power (not a NoSQL compromise)
  • Best free tier in the backend-as-a-service space
  • Excellent developer experience and documentation
  • Row Level Security for fine-grained access control

Supabase Cons

  • Free projects pause after 1 week of inactivity
  • Self-hosting is complex to maintain
  • Smaller ecosystem than Firebase for mobile

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

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