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FET helper

Check your file. Or ask which FET rule you need. No account needed.

Drop your FET file here or

The file must be a .fet file from FET.

Your browser reads the file. It sends a summary to our server. The summary holds no names. We do not store it.

  • The check finds rules that point at a teacher, a room or a class that does not exist.
  • The check finds activities that have no legal start time left.
  • The check finds classes that fit in no room they may use.

Every result is arithmetic. You can check each one by hand.