Skip to main content

Built by makers, shipped in public

Sign in

OpenDocScan vs PDFZippy

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 PDFZippy
DetailOpenDocScan logo OpenDocScanPDFZippy logo PDFZippy
What it doesFree document scanner that runs in your browser with no upload, no account, no watermark Free online PDF tools that run entirely in your browser with no uploads, no sign-up, and no watermarks
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Free
PricingFree, no paid tier Not given
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
  • Merge multiple PDFs in custom order
  • Split PDFs into separate pages or files
  • Compress PDFs while maintaining quality
  • Convert between PDF and Word, Excel, PowerPoint, JPG, HTML
  • Extract text from scanned PDFs with OCR
  • Add watermarks, page numbers, and signatures
  • Scan documents with camera to PDF
  • AI-powered PDF summarization
  • Password protection with AES-256 encryption
  • Convert PDFs to PDF/A for long-term archiving
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
  • All tools run 100% in your browser with no server uploads
  • Completely free with no sign-up, account, email or watermarks required
  • Mobile-friendly interface works on phones, tablets and desktop
  • Advanced features built entirely on-device including PDF/A conversion and translation
  • Privacy-first design ensures files never leave your device
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)168
Referring domains (Majestic)42

4 details filled in for both companies.

More alternatives to OpenDocScan More alternatives to PDFZippy

Ask us