Termination notice

KC Softwares activities are to be terminated by end of October 2023.
All products are to be considered as End-Of-Life (EOL) on October 31st 2023.
Sales are stopped.

MassCert icon MassCert Digital Signature is a child's play !


MassCert is a user-friendly batch digital signature utility.


  • Automatic mass-signature using Microsoft's SignTool (Windows SDK v7.1 or later required)
  • Supports SHA1 or SHA256 digests
  • Supports timestamping compliant with RFC 3161 using SHA1 or SHA256 digests
  • Supports PKCS #12 personal information file (X.509 certificate + private key bundle)
  • Automatic verification of correct execution
  • Internationalization support.


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Awards & Reviews

  ghacks.Net (English)
  TechTipLib (English)
  I Love Free Software (English)
  MadDownload (English)
  Programosy (Polish)
  Instalki (Polish)
  Redes Zone (Spanish)
  Il blog di Emanuele Mattei (Italian)


  English (by Kyle Katarn)

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