Encoding Tools
Unicode Escape and Unescape
Convert text to JavaScript-style Unicode escapes or decode Unicode escape sequences.
Processed locally — your data never leaves this browser.
Example input and output
Unicode text
Hello 世界 Hello \u4e16\u754c How to use Unicode Escape and Unescape
Paste or enter your text or unicode escapes, adjust any options, then run the tool. The result appears in the output panel where you can copy or download it.
Related guides
What this tool does
The Unicode Escape and Unescape tool helps inspect escaped strings, localisation files and API payloads that contain JavaScript-style Unicode sequences. It is free to use and designed for technical workflows where pasted data should stay private.
Common use cases
- Inspect escaped API strings
- Prepare localisation snippets
- Debug JavaScript string literals
Privacy and security
Processed locally — your data never leaves this browser. Lumarc DevTools does not include a backend, account system or hidden analytics in this initial release.
Limitations
- Malformed escape sequences are reported instead of guessed.
Frequently asked questions
Does this support emoji?
Yes. Characters outside the BMP are represented as code point escapes such as \u{1f680}.