Fort - Cryptography Extension 1.3

 Fort - Cryptography Extension for Windows

Fort is an open source, GPL licenced, file encryption software for Windows. Fort integrates itself into the Windows file explorer. This allows you to easily encrypt (and decrypt) files via the Explorer context menu and to protect them with a password. All file types are supported. Fort can be also used to encrypt files in Onedrive, Dropbox and other similar services.

Fort takes security seriously and uses AES with 256bit keys. On decryption Fort checks that the data is not tampered in any way and informs if data tampering is detected. For each file, Fort generates a random initialization vector that is used only once. Similarly, for keys a random one time salt is generated by Fort.

Fort is free, easy to use and easy to install. Windows Vista, Windows 7, Windows 8.x and Windows 10 are supported, both 32bit and 64bit versions. After installing Fort, simply right click a file and select "Encrypt". If the file is already encrypted with Fort, you can double click the file to decrypt it.


  • Windows Explorer integration
  • Open source, study the code
  • Uses AES with 256bit keys
  • Detects data tampering
  • Very lightweight, does not slow down your machine
  • Easy to use and easy to install.
  • Optional file backup before encryption
  • Encrypt and decrypt directories as well as individual files
  • Protect against keyloggers, supports on screen keyboard
  • Encrypt files in Onedrive, Dropbox and similar services
  • Supports Windows Vista, 7, 8 and 10. Both 32bit and 64bit versions
  • No backdoors, no malware
  • Well designed FortMachine.dll cryptography library available for developers
  • It's possible to buy a licence exception to use FortMachine.dll in closed source products
  • Fort has it's own file associations, double click an encrypted file to decrypt it.
  • Uses only FIPS compliant cryptographic modules

Download: Fort - Cryptography Extension 1.3 | 2.6 MB (Open Source)
View: Fort - Cryptography Extension Home Page

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