Hex ↔ ASCII Converter
Utility Workspace

Hex ↔ ASCII Converter

Convert between hexadecimal and ASCII text

Client-sideBidirectionalReal-time
Tool Guide

What is Hex to ASCII Conversion?

Hexadecimal (hex) is a base-16 number system used widely in computing. Each character in ASCII text has a corresponding hex value. For example, the letter "A" is represented as 41 in hex, and "Hello" becomes 48 65 6C 6C 6F. This tool lets you convert between these two representations instantly.
Practical Flow

How to Use This Tool

  1. 1
    Select Mode: Choose "ASCII to Hex" or "Hex to ASCII" using the toggle buttons.
  2. 2
    Choose Separator: Pick your preferred hex separator format (space, comma, none, or 0x prefix).
  3. 3
    Enter Input: Type or paste your text/hex values in the input area.
  4. 4
    Copy Result: The result appears in real time. Click "Copy" to copy it to your clipboard.
Reference

Example

  • ASCII to Hex: "Hello" → 48 65 6c 6c 6f (space separator)
  • Hex to ASCII: 48 65 6c 6c 6f → "Hello"
  • 0x Prefix: "Hi" → 0x48 0x69
Keep In Mind

Important Note

This tool processes all data locally in your browser. No data is transmitted to any server, so it is safe to use with sensitive content. Note that non-ASCII characters (e.g., Unicode) may produce unexpected hex values beyond the standard 00–7F range.