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PAdES Studio vs Private PDF Editor

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

PAdES Studio compared with Private PDF Editor
Detail PAdES StudioPrivate PDF Editor logo Private PDF Editor
What it doesDigital PDF signatures for macOS Browser-based PDF tools that process files locally with no uploads or paywalls
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingCreate your first 5 signatures free, then unlock unlimited signing with a one-time purchase Not given
Key features
  • Keychain signing with support for CryptoTokenKit smart cards
  • Visible signature with optional image, signer name, and signing time
  • RFC 3161 timestamping and long-term validation (LTV)
  • Signature inspection with status, certificate chains, and DSS material review
  • Multiple signatures as independent document revisions
  • Local document processing without server uploads
  • Support for PAdES-B-B, PAdES-B-T, PAdES-B-LT, and PAdES-B-LTA profiles
  • Merge PDF files
  • Split PDF into separate files
  • Compress PDF to reduce file size
  • Convert PDF to Word (DOCX)
  • Convert Word to PDF
  • Edit PDF text and OCR scanned pages
  • Offline capability after initial load
  • No account required
What makes it different
  • Real digital signatures that preserve original PDF bytes, not just image stamps
  • Incremental PDF updates preserve existing signatures as independently verifiable
  • All document processing stays local without server uploads
  • Works with macOS Keychain and supported smart cards without PKCS#11 limitation
  • Verification always unlimited while signing has free tier option
  • Files stay on your device during processing with local browser execution
  • Works offline after one successful load
  • No uploads, accounts, or paywalls required
  • 33 tools covering organize, optimize, convert, edit, and security workflows
  • Results download immediately without server processing delays
Community votes00
DR (Domain Rating by Ahrefs)37 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)72
Citation Flow (Majestic)1619
Referring domains (Majestic)54

4 details filled in for both companies.

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