LeetSpeak

Transform any text into leet speak — the classic internet cipher where letters are replaced with numbers and symbols. Also decode leet speak back to plain text.

Processed on your deviceNo signup required100% free

How to Use

  1. Choose Encode or Decode mode.
  2. Enter your text or leet speak string.
  3. Click Convert.
  4. Copy the result from the output area.

Related Tools

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Reverse Text

Frequently Asked Questions

What substitutions are used?
Common leet mappings: A→4, B→8, E→3, G→9, I→1, O→0, S→5, T→7, and more.
Can I decode any leet speak?
Standard leet speak is decoded. Highly customized substitutions may not decode perfectly.