Text UtilitiesText CleanersFree Tool
ASCII to Unicode
Escape non-ASCII (Unicode) characters into \uXXXX notation, leaving standard ASCII characters unchanged — despite the name, this escapes Unicode into an ASCII-safe form, not the reverse.
How to Use ASCII to Unicode
- 1Paste text containing non-ASCII/Unicode characters
- 2Click Convert
- 3Copy the output with those characters escaped as \uXXXX
Frequently Asked Questions
It takes any non-ASCII (Unicode) character in your input and converts it into a \uXXXX escape sequence, while leaving plain ASCII characters untouched. The name refers to producing ASCII-safe output from Unicode input, not literally converting ASCII characters into Unicode.
Functionally very similar — both escape non-ASCII characters into \uXXXX notation; this version uses uppercase hex digits, while the Developer Tools version uses lowercase.
Not fully — since it operates on UTF-16 code units, a character represented as a surrogate pair (many emoji) will be escaped as two separate \uXXXX sequences rather than one combined code point escape.
No — the conversion happens entirely in your browser.
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