ROT13 and Caesar Cipher
Shift letters by any amount — ROT13 by default.
How to use ROT13 and Caesar Cipher
- Paste your text
- Set the shift
- Copy the result
About ROT13 and Caesar Cipher
ROT13 and Caesar Cipher is a free online text tool that lets you shift letters by any amount — ROT13 by default. It runs entirely in your web browser, so there is nothing to download or install and you never need to create an account.
Simply open the tool, add your content, and get your result in seconds. A live preview lets you check the result before you download it.
ROT13 and Caesar Cipher is 100% free with no limits, no watermarks and no sign-up. Your input is processed securely in your session and is never stored on our servers. Popular searches for this tool include ROT13, Caesar Cipher, Letter Shift Cipher.
Features
- ✓100% free with no usage limits
- ✓Works in any browser — nothing to install
- ✓Instant live preview of your result
- ✓Mobile, tablet and desktop friendly
Benefits
- ★Save time with fast, one-click processing
- ★No software, no registration and no email required
- ★Your data stays private — nothing is stored
- ★Completely free, with no hidden costs or watermarks
- ★Use it anywhere, on any device with a browser
Frequently asked questions
Is ROT13 and Caesar Cipher free to use?
Yes, ROT13 and Caesar Cipher is completely free with no usage limits, no watermarks and no sign-up required.
Do I need to install software or create an account?
No. The tool runs entirely in your web browser — there is nothing to download and no account to create.
Is my data stored or shared?
No. Your input is processed securely in your session and is never stored or shared.
How do I use ROT13 and Caesar Cipher?
It takes just a few steps: paste your text; set the shift; copy the result.
Does ROT13 and Caesar Cipher work on mobile and Mac/Windows?
Yes. It works in any modern browser on phones, tablets, Windows, macOS and Linux.