Bifid Cipher
Encrypt and decrypt text using the Bifid cipher. Combines a Polybius square with fractionation to diffuse letter positions, making frequency analysis more difficult.
How to Use Bifid Cipher
Enter a keyword to generate the Polybius square, type your text, select encrypt or decrypt, and click the button. The Bifid cipher fractionates coordinates for stronger encryption than simple substitution.
Step-by-Step Instructions
- Enter a keyword for the Polybius square
- Type or paste text to process
- Select Encrypt or Decrypt mode
- Click the button and copy the result
Related Tools
Word Counter
Count words, sentences, paragraphs, and characters in any text.
Character Counter
Count characters with and without spaces and track character limits.
Case Converter
Convert text between uppercase, lowercase, title case, and sentence case.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text with 1 to 50 paragraphs.