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PDFops vs PDNob

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

PDFops compared with PDNob
DetailPDFops logo PDFopsPDNob logo PDNob
What it doesHosted PDF API for filling forms, merging documents and inspecting PDFs AI-powered PDF editor for Windows and Mac with OCR, conversion, and editing capabilities
StageNot given Established
FoundedNot given 2007
Based inNot given HK
Pricing modelFreemium Freemium
PricingAnonymous trial: 100 requests/month/IP free, no signup. Free plan: 250 requests/month with API key ($0). Indie: 4,000 requests/month at $16/month. Pro: 25,000 requests/month at $79/month. Enterprise: custom volume and SLA. Lifetime License for $64.99 USD. Free version with full feature trial available.
Key features
  • Fill PDF form fields via HTTP API
  • Merge multiple PDFs into one
  • Sub-100ms response times globally
  • MCP server for AI agents
  • Verified n8n community node
  • Python client with zero dependencies
  • Inspect PDF form fields
  • Generate invoices from JSON
  • Usage dashboard and quota endpoint
  • Only successful calls count against quota
  • AI-powered OCR with 16+ language support
  • PDF editing with text and image manipulation
  • Batch conversion to 30+ formats
  • Chat with PDF using AI
  • Fillable form creation and e-signing
  • PDF annotation with 100+ shapes
  • Page organization and batch processing
  • Screen recording and screenshot tools
What makes it different
  • ~10× cheaper than DocRaptor, PDFShift, and PDFMonkey
  • No per-MB render tax or compute-second surprises
  • Globally distributed with sub-100ms response times
  • Deterministic, byte-identical output every time
  • Hard caps mean no surprise billing
  • Self-developed PDFium engine opens 100+ page PDFs in 1 second with no lag or crashes
  • Batch process up to 1 million files at once without size limits
  • Source-backed AI answers with clickable page references for verification
  • Free lifetime upgrades with no subscription required
Community votes00
DR (Domain Rating by Ahrefs)17 +1 (up) since last check73 no change since last check
Trust Flow (Majestic)1924
Citation Flow (Majestic)2855
Referring domains (Majestic)1044682

5 details filled in for both companies.

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