Tapir is a freeware Win32 utility for manipulation of the content of TZX files.
If you have any questions, first make sure you cannot find an answer in the release notes included in the distribution zip file.
Otherwise, for questions, comments, bug reports and other feedback drop me a line to
If you want to help, there are currently two things you can do: Make a nicer icon for Tapir and write a proper help.
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