A few years ago, I wrote an interactive visual decoder for flag semaphore cipher: https://bobbiec.github.io/semaphore-decoder.html https://bobbiec.github.io/sem

A few years ago, I wrote an interactive visual decoder for flag semaphore cipher: https://bobbiec.github.io/semaphore-decoder.html https://bobbiec.github.io/semaphore-decoder.html As a habitual puzzle hunter, I found it slow and tiring to decode with existing tools, so I wrote my own and still use it.