Leetspeak Converter
Convert text to 1337 sp34k with basic or advanced character substitutions.
100% client-side · no upload
How to use
- Paste or type your text into the input box.
- Choose Basic for simple vowel substitutions or Advanced for more complete leet encoding.
- Click the level button, then copy the output.
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Frequently Asked Questions
- Is this tool free?
- Yes, completely free with no account needed.
- Does my text leave my browser?
- No. All conversion is done in JavaScript inside your browser.
- Does it work on mobile?
- Yes. The tool works in Safari and Chrome on iOS and Android.
Last updated: By jarvisbox