Skip to main content

Built by makers, shipped in public

Sign in

PDFops vs Tsubami

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 Tsubami
DetailPDFops logo PDFopsTsubami logo Tsubami
What it doesHosted PDF API for filling forms, merging documents and inspecting PDFs Free image and PDF tools that process files in your browser without upload or account
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
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. All tools are free with no account, subscription or credit card required.
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
  • Image crop, edit, compress and convert
  • PDF organization, editing, signing and conversion
  • Batch processing up to 20 images or 10 PDFs for merging
  • File size limits of 25 MB per file, 60 MB total
  • Support for JPG, PNG, WebP, GIF, BMP, SVG and TIFF formats
  • PDF page operations up to 300 pages total
  • AES-256 password encryption for PDFs
  • No account or login required
  • Download files individually or as ZIP archives
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
  • Files process in your browser without uploading to any server
  • All tools are completely free with no subscription or account required
  • Honest limits disclosed upfront before choosing files
  • No artificial intelligence or OCR, only practical file operations
Community votes00
DR (Domain Rating by Ahrefs)16 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)280
Referring domains (Majestic)1040

5 details filled in for both companies.

More alternatives to PDFops More alternatives to Tsubami

Ask us