Leetspeak Converter
Text ToolsTurn text into 1337 5p34k and back
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →Leetspeak Converter — at a glance
Write like a hacker: swap letters for look-alike numbers, or decode leetspeak back to normal words.
How to use it — step by step
Any short text. Choose Text → Leet or Leet → Text.
Paste your input
Paste or type your content into the big input box.
Choose options
Pick the mode and options that fit what you need.
Convert
Press the button. The result is created instantly on your device.
Copy the result
Check the output and press Copy to use it anywhere.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
What is leetspeak?+
A style of writing where letters are replaced by similar-looking numbers or symbols, like E → 3 and A → 4.
Will decoding be perfect?+
Not always. A digit might be a real number, so decoding replaces common look-alike digits only.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.