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Free browser utility

ROT47 Encoder and Decoder

Apply reversible ROT47 substitution to printable ASCII characters. All processing runs in this browser tab.

Enter or paste input to begin.

How to use ROT47 Encoder and Decoder

Enter or paste your input, then review the result. Use Load sample to see the expected format and Copy result when you are done.

Private browser processing

Input is processed locally in this browser tab. The tool does not upload or store your text.

Input limit

For a responsive result, use up to 50,000 characters at a time.