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OpenDocScan vs PDF Guru

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

OpenDocScan compared with PDF Guru
DetailOpenDocScan logo OpenDocScanPDF Guru logo PDF Guru
What it doesFree document scanner that runs in your browser with no upload, no account, no watermark AI tool that summarizes PDF files and analyzes documents faster through AI-powered chat
StageNot given Not given
FoundedNot given 2023
Based inNot given CY
Pricing modelOpen source Freemium
PricingFree, no paid tier Free: first PDF summary and up to three chat questions. Paid plans available for unlimited access.
Key features
  • Find and straighten page edges automatically
  • OCR text recognition for searchable PDFs
  • Lighting correction and image enhancement
  • All processing happens locally on device
  • Works offline after page load
  • No account or sign-up required
  • Add to home screen as web app
  • Adjustable page size and image quality
  • Search across all scanned documents
  • AI-powered PDF summarization that extracts key points automatically
  • Interactive AI chat to ask follow-up questions about document content
  • Support for 90+ languages for summarization and chat
  • Multiple AI model selection including Claude, GPT, and Gemini
  • Upload 14 different file formats including PDF, Word, PowerPoint, images, and e-books
  • Structured summary output with key points and bullet-point format
  • File history tracking with saved summaries in left-hand panel
  • Works across all devices and operating systems with no software installation
  • Processes entire documents page-by-page without content length limits
  • Industry-standard security with SSL encryption and Google Safe Browsing verification
What makes it different
  • Entirely client-side with zero data upload—privacy verifiable in Network panel
  • Open source under MIT or Apache-2.0 with code publicly auditable
  • No watermarks, page limits, or paid tier—completely free
  • Advanced processing in 182 KB core written in Rust and WebAssembly
  • Works on any device with no installation via browser
  • First summary and three chat questions are completely free with no credit card required
  • Choice of latest AI models allows users to optimize results for their specific document type
  • Structured summary format with key points and bullets is more actionable than free-form answers
  • Integrated into broader PDF Guru platform for file conversion, compression, editing and e-signing
  • Supports 14 file formats and handles scanned documents through OCR technology
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check66 no change since last check
Trust Flow (Majestic)033
Citation Flow (Majestic)1645
Referring domains (Majestic)41604

5 details filled in for both companies.

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