bitsplit

Split any file into a keyless binary block and a 128-bit text key.

photo.jpg  -->  data.bin + key.txt
  1.05 MB       1.05 MB    102 B

Without the key, the block is useless. The key is a single line of text — memorize it, write it down, or send it in a message.

Quick start

pip install bitsplit

# Encode
bitsplit encode secret.pdf

# Decode
bitsplit decode restored.pdf

• How it works
  • The idea
  • Step by step
  • Why size is stored
  • Diagram
• CLI reference
  • bitsplit encode
  • bitsplit decode
  • Exit codes
• Python API
  • Quick example
  • Functions
  • Key string format
  • Constants
• Security considerations
  • What bitsplit is
  • What bitsplit is not
  • Key strength
  • Known properties
  • Recommendations
  • Comparison with encryption