dcode
Recursively detect and decode strings, supporting hex, decimal, binary, base64, URL, FromChar encodings, Caesar ciphers, and MD5, SHA1, and SHA2 hashes.
TLDR
Recursively detect and decode a string
$ dcode "[NjM3YTQyNzQ1YTQ0NGUzMg==]"
Rotate a string by the specified offset
$ dcode -rot [11] "[spwwz hzcwo]"
Rotate a string by all 26 possible offsets
$ dcode -rot [all] "[bpgkta xh qtiitg iwpc sr]"
Reverse a string
$ dcode -rev "[hello world]"