Text to Grid Cipher
Encrypt and decrypt text using a grid/matrix cipher (Polybius square). Maps letters to row/column coordinates in a 5x5 grid with optional keyword for custom grid arrangement.
How to Use Text to Grid Cipher
Select encrypt or decrypt mode, optionally enter a keyword to customize the grid, then enter your text. The tool uses a 5x5 Polybius square to convert letters to/from coordinate pairs.
Step-by-Step Instructions
- Select encrypt or decrypt mode
- Optionally enter a keyword for custom grid
- Enter text to encrypt or number pairs to decrypt
- Click to process and view the result
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