Home › Free online security and encryption tools

ROT13 / Caesar cipher

Encrypt and decrypt text using ROT13 or a customizable Caesar cipher.

Frequently asked questions

Is ROT13 / Caesar cipher free to use on Toolkoa?

Yes, the ROT13 / Caesar cipher tool is 100% free, unlimited and requires no sign up or installation.

Are my files sent to any server when using ROT13 / Caesar cipher?

No. Every operation on Toolkoa is processed privately and locally, directly in your own browser.

Do I need to install anything to use ROT13 / Caesar cipher?

Nothing to install. ROT13 / Caesar cipher runs in any modern desktop or mobile browser, and once the page has loaded you can keep using it without relying on the connection.