ROT13 Cipher Tool

Encode and decode text using the ROT13 cipher algorithm. Perfect for simple encryption and puzzle solving.

ROT13 Encoder

Convert plain text to ROT13 encoded text

Input Text

Hello, World!

ROT Shift ROT13 (Standard) ROT1 ROT2 ROT3 ROT4 ROT5 ROT6 ROT7 ROT8 ROT9 ROT10 ROT11 ROT12 ROT14 ROT15 ROT16 ROT17 ROT18 ROT19 ROT20 ROT21 ROT22 ROT23 ROT24 ROT25

Case Handling Preserve Case Convert to Uppercase Convert to Lowercase

Preserve special characters and numbers

ROT13 Encoded Result

Uryyb, Jbeyq!

Preview

Uryyb, Jbeyq!

13

Original

13

Encoded

10

Letters

ROT13 Decoder

Convert ROT13 encoded text back to plain text

Input ROT13 Text

Uryyb, Jbeyq!

ROT Shift ROT13 (Standard) ROT1 ROT2 ROT3 ROT4 ROT5 ROT6 ROT7 ROT8 ROT9 ROT10 ROT11 ROT12 ROT14 ROT15 ROT16 ROT17 ROT18 ROT19 ROT20 ROT21 ROT22 ROT23 ROT24 ROT25

Auto Detection Manual ROT Selection Auto-detect ROT Shift

Attempt to decode non-ROT text

Decoded Text Result

Hello, World!

Preview

Hello, World!

13

Encoded

13

Decoded

13

ROT Shift

ROT Cipher Reference

ROT13 transformation table and cipher information

Filter Characters

Original	ROT13	ROT5 (Digits)	ROT47 (All Printable)

Advanced Tools

Additional utilities for working with ROT ciphers

Text Analysis

Batch Conversion

Conversion History

Real-time Conversion

Multiple ROT Variations

Conversion History

Advanced Analysis Tools