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Convert Text to Unicode Escape Sequences

Convert text to Unicode escape sequences (\uXXXX) and back.

🔒 100% client-side — no data sent

Turn text into Unicode escape sequences (\uXXXX) and back in one click. Handy for JSON and JavaScript strings or to inspect special characters and emojis. Processing is 100% local in your browser, so your data stays private.

What is it for?

  • Escape accents or emojis for JavaScript code
  • Decode a \uXXXX string found in a JSON file
  • Inspect the code points of a special character
  • Make text ASCII-safe for a legacy system

FAQ

What does \uXXXX mean?

It is the notation of a character by its Unicode code point in hexadecimal, used in JavaScript, Java and JSON.

Does it handle emojis and characters beyond the BMP?

Yes, they are represented by a surrogate pair as two \uXXXX sequences.

Is my text sent anywhere?

No, the conversion happens entirely in your browser.