Is ROT13 Encoder & Decoder free to use?

Yes, ROT13 Encoder & Decoder is completely free to use. No signup or account is required. All processing runs in your browser, so your data stays private.

Is my data safe with ROT13 Encoder & Decoder?

Absolutely. All processing happens locally in your browser. Your files and data are never uploaded to any server, ensuring complete privacy and security.

Text Tools

ROT13 Encoder & Decoder

Encode and decode text using ROT13 cipher

Input Text

ROT13 Output

About ROT13 Encoder & Decoder

Encode or decode strings using the classic ROT13 cipher. A simple rotation substitution algorithm that shifts alphabetical characters by 13 positions, preserving casing and spaces.