Handy tools to crack codes, ciphers, and tricky geocache puzzles
Puzzle Notepad Tool has dozens of more features that aren't listed below.
Quickly Convert Morse Code and Playback Sounds
Create & Convert Text to QR Code & QR Binary and Read QR Code
Encrypt and decrypt messages with Vigenère.
Solve Sudoku Puzzles
Multi Decoder with dozens of features.
Maritime Signal flags
Convert Text To Braille or Braille to Text
Convert to and from different coordinate formats
Convert to and from Atbash
Custom substitution cipher
Convert to and from Kenny Code
Vanity Phone Tool
Encrypt and decrypt using a zig-zag rail pattern
3D cube-based fractionation cipher with transposition
Hide and extract secret messages inside PNG images