Unicode Utility API
Convert text to and from Unicode escape sequences for JSON and JavaScript.
What Does It Do?
Converts non-ASCII characters to \uXXXX escape sequences or converts sequences back. Useful for JSON encoding and JavaScript literals.
How to Use
Call GET /api/v1/unicode-util?text=Hello+世界&mode=escape.
Try it live
Test this endpoint in the interactive console
Open Console →
Frequently Asked Questions
Emoji support?
Characters above U+FFFF use surrogate pairs automatically.