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It has always been essential for every version of CrypTool to come with thorough documentation about its features. Whenever the user presses F1 on their keyboard, corresponding information about the feature currently selected appears.

This page is an archive of all current builds of CrypTool 2.
The builds run on 32 and 64 Bit Windows. Please note that you need the Microsoft .NET Framework 4.7.1 to run CrypTool 2.
No admin rights are needed for the installation.
Each build is available as an .exe installer and as a compressed zip archive. Both have their own online update mechanism. The .exe installer supports registration of start menu entry, desktop link, and Explorer file type, but does not support more than one .exe installation. If in doubt, use the .exe installer.


Stable versions and releases

The most recent release version of CrypTool 2 is CrypTool 2.1 (Stable Build 8186.5). It and can be downloaded here.

Nightly Builds

Nightly builds are compiled every night based on the most current version of the source code checked into the SVN repository.
Please be aware that these builds are work in progress. They are by no means guaranteed to be stable, and they may contain experimental features that are not yet fully functional.
CrypTool 2.1 (Nightly Build 8339.1) - August-26-2019 02:18:26 - 176.762.665 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8339.1).exe
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CrypTool 2.1 (Nightly Build 8339.1).zip
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CrypTool 2.1 (Nightly Build 8335.1) - August-25-2019 02:18:27 - 176.762.134 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8335.1).exe
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CrypTool 2.1 (Nightly Build 8335.1).zip
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CrypTool 2.1 (Nightly Build 8328.1) - August-23-2019 02:19:41 - 176.745.045 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8328.1).exe
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CrypTool 2.1 (Nightly Build 8328.1).zip
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CrypTool 2.1 (Nightly Build 8323.1) - August-21-2019 19:34:53 - 176.675.829 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8323.1).exe
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CrypTool 2.1 (Nightly Build 8323.1).zip
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CrypTool 2.1 (Nightly Build 8322.1) - August-20-2019 02:16:22 - 153.751.355 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8322.1).exe
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CrypTool 2.1 (Nightly Build 8322.1).zip
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CrypTool 2.1 (Nightly Build 8318.1) - August-19-2019 15:21:37 - 153.753.791 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8318.1).exe
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CrypTool 2.1 (Nightly Build 8318.1).zip
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CrypTool 2.1 (Nightly Build 8314.1) - August-19-2019 12:14:36 - 153.746.211 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8314.1).exe
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CrypTool 2.1 (Nightly Build 8314.1).zip
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CrypTool 2.1 (Nightly Build 8313.1) - August-17-2019 02:17:47 - 151.756.022 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8313.1).exe
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CrypTool 2.1 (Nightly Build 8313.1).zip
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CrypTool 2.1 (Nightly Build 8307.1) - August-16-2019 02:17:47 - 155.165.793 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8307.1).exe
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CrypTool 2.1 (Nightly Build 8307.1).zip
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CrypTool 2.1 (Nightly Build 8304.1) - August-15-2019 02:17:42 - 155.153.104 Byte - ZIP file EXE installer
Setup CrypTool 2.1 (Nightly Build 8304.1).exe
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CrypTool 2.1 (Nightly Build 8304.1).zip
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