Hex to ASCII Converter
Convert hexadecimal to ASCII text instantly with our free online tool.
All conversions happen in your browser. No data is sent to our servers. Press Cmd/Ctrl + Enter to convert.
How to Convert Hex to ASCII
Paste your hexadecimal string into the input panel. The converter accepts various formats including space-separated bytes, continuous strings, or 0x-prefixed values.
What is Hexadecimal?
Hexadecimal (base-16) is a numbering system using digits 0-9 and letters A-F. Each hex digit represents 4 bits, making it a compact way to represent binary data. Two hex digits represent one byte (0-255).
What is ASCII?
ASCII (American Standard Code for Information Interchange) is a character encoding standard. Each character is assigned a number from 0-127, covering English letters, digits, and common symbols.
Common Use Cases
Hex to ASCII conversion is used for debugging network protocols, analyzing binary files, decoding hex dumps, and working with embedded systems or low-level programming.
Frequently Asked Questions
What hex formats are supported?
The converter accepts hex with or without spaces, with 0x prefix, or as a continuous string. Examples: '48 65 6c 6c 6f', '0x48656c6c6f', '48656c6c6f'.
Can I convert hex to Unicode text?
Yes, the converter handles UTF-8 encoded hex, allowing conversion of international characters and emojis.
What if my hex contains invalid characters?
The converter will show an error for invalid hex characters. Valid characters are 0-9 and A-F (case insensitive).
Is this useful for debugging?
Yes, developers often use hex-to-ASCII conversion when debugging binary protocols, analyzing network traffic, or working with low-level data.