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WatermarkPilot vs PAdES Studio

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

WatermarkPilot compared with PAdES Studio
DetailWatermarkPilot logo WatermarkPilot PAdES Studio
What it doesOnline watermark tools for photos and PDFs Digital PDF signatures for macOS
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: up to 5 photos per batch, all 11 tools, no account needed. Free account: $0, up to 20 photos per batch, 3 saved styles. Pro: $4.99/month, $12.99 quarterly, $29/year, or $49 lifetime. Pro includes up to 100 photos per batch and 50 saved styles. Create your first 5 signatures free, then unlock unlimited signing with a one-time purchase
Key features
  • Add text or logo watermarks to JPG and PNG photos
  • Apply watermarks to PDFs
  • Create personalized watermarks for up to 20 recipients
  • Date stamp photos with multiple date sources
  • Tile watermark patterns across photos
  • Create QR code watermarks
  • Inspect metadata and content credentials
  • Save up to 50 styles on Pro plan
  • Process up to 100 photos per batch on Pro
  • 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
What makes it different
  • No sign-in required for basic use
  • All files stay on your device
  • No added watermark on exports
  • Local processing in browser
  • 11 focused tools for different watermarking tasks
  • 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
Community votes00
DR (Domain Rating by Ahrefs)23 −1 (down) since last check37 no change since last check
Trust Flow (Majestic)237
Citation Flow (Majestic)2016
Referring domains (Majestic)295

5 details filled in for both companies.

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