ROT13

Rotate Latin letters by 13 places (self-inverse cipher).

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Overview

Symmetric letter rotation cipher (toy / light obfuscation). Not real secrecy.

Technical deep dive

Common questions summarized

  • What is this tool for?: It runs fully in your browser: useful to validate, format, or convert data in everyday development.
  • Are my inputs sent to a server?: Processing happens locally with JavaScript. We do not store what you paste into the text areas.
  • Can I use this for real production data?: Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.

Sample payload to try

  • See also the larger "Code Snippets" sample; paste this excerpt to try locally: Sample — Hello → Uryyb (A↔N, B↔O, …)

Tool guide

  • What ROT13 is A Latin-alphabet substitution cipher: each letter moves 13 places; applying twice returns the original (symmetric). Digits and symbols usually stay the same.

  • What the tool does Applies ROT13 to text (A–Z and a–z).

  • Why use it Mild forum spoilers, curiosity, puzzles; it is not confidentiality.

Code Snippets

Code example
Hello → Uryyb (A↔N, B↔O, …)

Sample

Hello → Uryyb (A↔N, B↔O, …)

FAQ

What is this tool for?

It runs fully in your browser: useful to validate, format, or convert data in everyday development.

Are my inputs sent to a server?

Processing happens locally with JavaScript. We do not store what you paste into the text areas.

Can I use this for real production data?

Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.