Tap Code Cipher (Knock Code)
Security ToolsLetters as dots: row taps, then column taps
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All history →Tap Code Cipher (Knock Code) — at a glance
Turn letters into tap dots, or read tap dots as letters.
How to use it — step by step
Your text, or dot groups like ".. ..." separated by slashes.
Add your text
Paste or type your input into the box. The Sample button fills in an example.
Choose the options
Pick the mode and settings you need. Results update when you run the tool again.
Press Run Tap Code
The result is made instantly inside your browser.
Copy the result
Use the Copy button, or send it to another tool.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
How does tap code work?+
The alphabet sits in a 5×5 grid. You tap the row number, pause, then tap the column number.
Why is there no K?+
K is replaced by C so the 26 letters fit in 25 cells.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.