Categories

← View All Tools

Hex/Unicode Converter

Convert characters to/from hex (\xXX) and Unicode (\uXXXX) escape sequences

Key Facts

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

Overview

The Hex/Unicode Converter is a utility tool that converts text characters to and from hexadecimal (\xXX) and Unicode (\uXXXX) escape sequences. It supports encoding and decoding for programming, data serialization, and text processing tasks.

When to Use

  • •When you need to encode text into hex or Unicode escapes for use in code or configuration files.
  • •When you have escaped sequences in logs or data and want to decode them back to readable text.
  • •When working with international characters and require conversion between different escape formats for compatibility.

How It Works

  • •Enter or paste your text into the input textarea.
  • •Select the desired operation: convert to hex, from hex, to Unicode, or from Unicode.
  • •Choose the output format: with prefix, compact, or array.
  • •The tool processes the input and displays the converted text instantly.

Use Cases

Debugging escaped strings in source code or log files to quickly identify issues.
Preparing text data for APIs or systems that require specific escape sequences for proper parsing.
Converting international text to portable escape formats for cross-platform data exchange.

Examples

1. Decoding Hex Escapes in Logs

Background
A developer is reviewing application logs that contain hex-encoded error messages.
Problem
The log entries show strings like \x48\x65\x6c\x6c\x6f, which are difficult to interpret.
How to Use
Paste the encoded snippet into the input, select 'Convert from Hex' operation, and choose 'With Prefix' format.
Outcome
The tool decodes it to 'Hello', making the error message readable for troubleshooting.

2. Encoding Text for Safe JSON Inclusion

Background
A data engineer needs to include a string with special characters in a JSON file.
Problem
Characters like quotes or backslashes could break JSON syntax if not properly escaped.
How to Use
Input the text, select 'Convert to Unicode' operation, and use 'Compact' format for minimal output.
Outcome
The text is converted to Unicode escapes, ensuring valid and safe JSON serialization.

Try with Samples

image, text
Hex/Unicode Encoding Format Samples
Examples of hex (\xXX) and unicode (\uXXXX) escape sequence encoding formats
title token hex,unicode
text
SVG Samples
Scalable Vector Graphics (SVG) samples demonstrating various SVG features and techniques
matched family image,text
image, text
PDF Samples
Generated PDF samples from tools dated 2026-02-01 to 2026-02-10
matched family image,text
image, text
HTML with Images Samples
HTML source code samples with images for testing extraction
matched family image,text
image, text

Related Hubs

Image Convert Tools
Explore 100 image tools for convert workflows and compare closely related utilities quickly.
Text Convert Tools
Explore 80 text tools for convert workflows and compare closely related utilities quickly.
Image Tools
Explore 40 image tools for utility workflows and compare closely related utilities quickly.
Text Tools
Explore 33 text tools for utility workflows and compare closely related utilities quickly.

FAQ

What is the difference between hex and Unicode escapes?

Hex escapes (\xXX) use two-digit hexadecimal codes for characters, while Unicode escapes (\uXXXX) use four-digit codes to support a broader range of characters.

Can I convert multiple characters at once?

Yes, the tool processes the entire input text, converting all characters according to the selected operation.

What output formats are available?

You can choose prefix format (e.g., \x41), compact format (e.g., 41), or array format for listing multiple values.

Is there a limit on input length?

The tool handles standard text inputs efficiently, but very large texts may impact performance; it's designed for typical use cases.

How do I use the array format?

Array format outputs the converted values as a list, which is useful in programming contexts where you need an array of character codes.

API Documentation

Request Endpoint

POST /en/api/tools/hex-unicode-converter

Request Parameters

Parameter Name Type Required Description
inputText textarea Yes -
operation select No -
format select No -

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-hex-unicode-converter": {
      "name": "hex-unicode-converter",
      "description": "Convert characters to/from hex (\xXX) and Unicode (\uXXXX) escape sequences",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=hex-unicode-converter",
      "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]