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Stirling PDF vs FileTools Kit

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Stirling PDF compared with FileTools Kit
DetailStirling PDF logo Stirling PDF FileTools Kit
What it doesA free, private PDF editor you can run on any infrastructure. Free in-browser tools to merge PDFs, convert images, build resumes, and more without uploading files
StageNot given Startup
FoundedNot given 2026
Based inUS IN
Pricing modelFreemium Free
PricingFree: $0/month includes 60+ PDF tools, web/desktop/self-hosted access, open-source editor, and 1,000 monthly credits. Team: $99/month for 100 users, includes everything in Free plus single sign-on, team workspace, and central control. Enterprise: Custom pricing for regulated and air-gapped deploymen Not given
Key features
  • PDF reader with lightning-fast reading
  • 60+ PDF editing tools
  • OCR to read scanned pages
  • Classification and tagging
  • Signature validation
  • PDF redaction
  • Compression
  • Routing to multiple destinations
  • API for programmatic access
  • Connectors for tool integration
  • PDF merge, split, compress, organize pages, add page numbers, and password protection
  • Convert images between PNG, JPEG, and WebP formats
  • Convert between JPG and PDF
  • Resume builder with twelve layout options
  • QR code generator
  • Image optimization and compression
  • Extract text from Word files
  • Developer tools including hash generation
  • Markdown editor and SVG studio
  • Save audio as WAV format
What makes it different
  • Completely free editor forever with no per-seat licensing
  • Run on any infrastructure with files staying yours
  • Process thousands of PDFs with AI-powered automation
  • Every action logged and recorded for compliance
  • All file processing runs locally in the browser without uploading to external servers
  • No account creation or authentication required to use any tool
  • Transparent documentation with clear limitations for each tool
  • Completely free with no paywalls or watermarks
  • Solo developer project operated directly by the founder with no investors or team
Community votes00
DR (Domain Rating by Ahrefs)61 no change since last check3 no change since last check
Trust Flow (Majestic)152
Citation Flow (Majestic)4022
Referring domains (Majestic)87210

5 details filled in for both companies.

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