🌐 Unicode Converter

Convert text to/from \uXXXX escape sequences

✓ Runs entirely in your browser — your data never leaves this device

About This Tool

Convert text to and from \uXXXX escape sequences. Useful for inspecting invisible characters, handling escapes in JSON/JS source and diagnosing mojibake.

How to Use

  1. Paste text or \uXXXX sequences
  2. Click the conversion button for the direction you need
  3. Copy the result; emoji are output as \u{XXXXX}

FAQ

What is \uXXXX?

A hexadecimal escape for a Unicode code point; one BMP character maps to one \uXXXX group.

Does emoji work?

Yes. Supplementary-plane characters like emoji are output as \u{XXXXX}, which JavaScript understands.