Ice is a lightweight command line utility to help with simple problems encountered while playing CTFs.
Extracted from graveyard

NOTE: Most of the functions can autodetect if its encode or decode.

• Base: binary, octal, hex, base32, base64
• General ciphers: a1z23, atbash, etc
• Caesar ciphers: simple rots, rot13, vigenere, etc
• Xor: single byte, string vs string, hex vs hex, etc. (wip)
• check todo.norg for the full list working on.

yay -S ice-bin

cargo install --git https://github.com/tamton-aquib/ice.git

• Go to releases and download the appropriate file.
• extract the archive and you get a binary.
• chmod +x ice to make it executable.
• move it to one of the PATHS (usually ~/.local/bin/)

ice b64 "example string"        # encodes the string
ice b64 ZXhhbXBsZSBzdHJpbmc=    # decodes the string (autodetect)

ice morse "example"
ice morse ". _.._ ._ __ .__. ._.. ."  # autodetect

# ... and the other 20 subcommands: checkout src/main.rs

moved to todo.norg