Where would I actually need \uXXXX escape sequences?

JSON strings, JavaScript source code, and other contexts that specifically require Unicode characters to be represented in escaped form rather than as literal characters.

Does it handle characters outside the basic multilingual plane, like emoji?

Characters requiring surrogate pairs (like many emoji) are encoded correctly using the appropriate escape sequence pairing.

Can I decode a full block of text with escapes mixed into it?

Yes, paste text containing \uXXXX sequences and they'll be decoded back to their actual characters within the surrounding text.

Does Unicode Encoder/Decoder upload my files to a server?

No. Unicode Encoder/Decoder runs entirely in your browser using on-device processing, your files never leave your device.

Unicode Encoder/Decoder

Encode text to \uXXXX Unicode escapes, or decode them back to text.

Runs in your browser

Input

About this tool

Working with Unicode escape sequences (\uXXXX) — in JSON strings, JavaScript source, or other contexts that require them — sometimes means converting readable text into that escaped format, or decoding escaped sequences back into readable characters. This tool encodes text to \uXXXX Unicode escapes, or decodes them back to text, handling both directions of that conversion.

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