Hex String Converter
Free online hex string converter to encode text into hexadecimal and decode hex back to text. Switch between five formats including spaced bytes, 0x prefix and \x escapes, instantly.
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Last updated: 2026 · Free online tool
What is Hex String Converter?
Free online hex string converter to encode text into hexadecimal and decode hex back to text. Switch between five formats including spaced bytes, 0x prefix and \x escapes, instantly.
How to Use
- 1Select Direction— Choose text-to-Hex or Hex-to-text.
- 2Select Format— Choose your preferred Hex format (spaces, 0x prefix, etc.).
- 3Copy Result— Copy the converted result.
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Frequently Asked Questions
Five formats: FF FF (space), FFFF (continuous), 0xFF (prefix), \xFF (escape), FF, FF (comma).
Yes, characters are converted to Hex using UTF-8 encoding.
Yes, you can choose uppercase (FF) or lowercase (ff).
When converting Hex to text, various formats (0x, \x, spaces, commas) are automatically recognized.
No. All conversion is done in the browser.