Input Content Workspace
Click any preset sample to populate input instantly:
JavaScript Format produces standard
\uXXXX strings compatible with JSON, C++, Java, and Python.
Output Workspace
Input Size0 B
Output Size0 B
Code Points0
Format ModeJS \uXXXX
| Char | Code Point | Decimal | Hex | Bytes | Category |
|---|---|---|---|---|---|
| No Unicode characters detected. | |||||
Recent Conversions:
\uXXXX Escape Notations
Generates standard JavaScript, JSON, and C++ \uXXXX code point escapes for cross-platform string serialization.
Emoji & Surrogate Pairs
Full support for multi-byte Unicode emojis (above U+FFFF) with accurate UTF-16 high/low surrogate pair calculation (e.g. 🚀 ->\uD83D\uDE80).
Code Point Inspector
Inspect individual character code points, UTF-8 byte counts, decimal and hexadecimal values, and character categories.
