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Room 40 Decryptor

A free tool to decrypt files made with Room 40

For Windows, OS X, and Linux

Simple but Smart

The Room 40 decryptor is a free tool designed to make it easy to decrypt files created with the Room 40 encryption software. If you have received a file that is encrypted with Room 40, you don't need to spend a single cent in order to access the file, as long as you know the proper passkey.

The software is lightweight and is designed to work without installation on both Windows and Mac OS X. It has the following features:

  • small and simple
  • decrypts on-the-fly
  • requires no knowledge of encryption
  • totally free, with no annoying third party ads

To download the Room 40 decryptor, simply select your platform from the table to the left.

Frequently Asked Questions

Q: Should I download the 32-bit version or the 64-bit version?
A: You need to download the version appropriate for your type of computer. If you have a 32-bit computer, download the 32-bit version. If you have a 64-bit computer, download the 64-bit version. If you do not know whether your computer is 32-bit or 64-bit, download the 32-bit version.

Q: If I’ve bought Room 40, do I need to download the decryptor as well?
A: No. The full, paid version of Room 40 includes the decryptor and allows you to decrypt multiple files at once.

Q: Do I need administrator rights in order to install or use Room 40?
A: No. The Windows and Mac versions of the decryptor do not require installation. You simply need to download the ZIP file, extract it on your computer, and run the program. The Linux version may require additional software to be installed depending on what libraries you have on your computer.

The Room 40 main screen


Windows 7 or higher: Coming Soon!

Mac OS X 10.10 or higher: 64-bit (currently in beta!)

Linux: Coming Soon!

Platform not listed? A web-based decryptor is coming soon!


Having trouble? Feel free to contact us!