ROT13 & Caesar Cipher Tool
Encrypt and decrypt text with ROT13, ROT47, and classical Caesar substitution ciphers with custom alphabet shift values.
1 How to Use ROT13 & Caesar Cipher Tool
- 1. Enter text.
- 2. Adjust rotation shift (13 for ROT13).
- 3. Copy decoded message.
⚙️ Cryptographic Specifications
- Algorithm
- ROT13 / Caesar
- Execution Engine
- Web Cryptography API (SubtleCrypto)
- Environment
- Client Browser Sandbox
- Network Telemetry
- 0 Bytes (Zero Server Transmission)
🛡️ Security & Compliance
Enterprise developers can safely execute this tool with production secrets. Because execution takes place entirely within your browser's local V8 JavaScript runtime, no payloads are transmitted over HTTP, cached on third-party proxies, or stored in server logs.
Verified Safe for SOC2, HIPAA, and GDPR developer compliance audits.
Frequently Asked Questions
What is ROT13?
A simple substitution cipher that rotates letters by 13 positions in the Latin alphabet.
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