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PDF Signet allows you sign PDFs with your X.509 certificate without any hassle -- simply pick the certificate from your Keychain and sign. Verifying existing signatures is even simpler: just drop a PDF on the app.

  • Digitally sign PDFs documents with X.509 certificates
  • Verify and validate already present signatures
  • Use your certificate directly from Keychain
  • Automator support -- sign documents automatically as you create them

What's New

Version 1.4.3:
  • Updated for El Capitan.


  • OS X 10.7 or later

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5 1


Current Version (1.x)


Downloads 547
Version Downloads 9
License Commercial
Date 03 Oct 2015
Platform Intel 64 / OS X
Price $11.99
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