Categories

ROT47 Cipher

Encode and decode text using ROT47 cipher (rotates all printable ASCII characters by 47 positions)

Key Facts

Category
Format Conversion
Input Types
textarea, select
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The ROT47 Cipher tool allows you to quickly encode and decode text by rotating all printable ASCII characters by 47 positions. This simple substitution cipher is an effective way to obfuscate text or obscure sensitive information from casual observation.

When to Use

  • Obfuscating text strings to prevent them from being read at a glance.
  • Decoding ROT47-encoded messages or configuration values found in legacy systems.
  • Quickly transforming text for basic data masking tasks during development.

How It Works

  • Paste your target text into the input field.
  • Select the 'Encode' or 'Decode' operation from the dropdown menu.
  • The tool instantly processes the characters by shifting them 47 positions within the printable ASCII range.
  • Copy the transformed output directly from the result box.

Use Cases

Obfuscating email addresses or usernames in public code repositories.
Decoding configuration strings that have been obfuscated for simple storage.
Quickly testing how text appears when shifted for basic data formatting experiments.

Examples

1. Obfuscating a Configuration String

Software Developer
Background
A developer needs to hide a temporary API endpoint string in a script to prevent accidental exposure during a presentation.
Problem
The string is plain text and easily readable by anyone looking at the screen.
How to Use
Enter the URL into the input field, select 'Encode', and use the resulting ROT47 string in the script.
Outcome
The URL is transformed into an unreadable string, preventing casual viewers from identifying the endpoint.

2. Decoding Legacy Data

System Administrator
Background
An administrator found a legacy configuration file where some values were stored using ROT47 encoding.
Problem
The values are unreadable, making it difficult to verify the configuration settings.
How to Use
Copy the encoded string from the file, paste it into the tool, and select 'Decode'.
Outcome
The tool instantly reveals the original configuration value, allowing the administrator to verify the settings.

Try with Samples

text

Related Hubs

FAQ

What is ROT47?

ROT47 is a reversible substitution cipher that rotates printable ASCII characters by 47 positions.

Is ROT47 secure for sensitive data?

No, ROT47 is an obfuscation method, not a cryptographic security measure. It should not be used to protect highly sensitive information.

Does it handle non-ASCII characters?

The tool is designed specifically for printable ASCII characters; non-printable or extended characters may not be processed as expected.

Can I reverse an encoded string?

Yes, simply select the 'Decode' operation to revert the ROT47-encoded text back to its original form.

Is the process performed locally?

Yes, the text transformation happens within your browser, ensuring your data is not sent to a server.

API Documentation

Request Endpoint

POST /en/api/tools/rot47-cipher

Request Parameters

Parameter Name Type Required Description
inputText textarea Yes -
operation select Yes -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-rot47-cipher": {
      "name": "rot47-cipher",
      "description": "Encode and decode text using ROT47 cipher (rotates all printable ASCII characters by 47 positions)",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=rot47-cipher",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]