DataToolsLab
Encoding & Number Bases

ASCII to Unicode Code Point Converter

Convert characters to Unicode code points (U+XXXX) and decimal ASCII values.

Loading tool…

What is ASCII to Unicode?

Every character has a Unicode code point. This converter shows the U+XXXX format for each character, plus decimal and hex equivalents for ASCII and extended ranges.

How it works

We iterate through each character, call charCodeAt for the BMP and handle surrogate pairs for characters above U+FFFF.

  1. Enter your input. Type or paste your input into the field above — the tool responds instantly.
  2. Review the result. Output updates live as you type. Everything runs entirely in your browser.
  3. Copy or download. Use the Copy button to grab the result, or Download to save it as a file.

Examples

Realistic sample

Type or paste any realistic input — the tool computes the result locally and instantly.

Common mistakes

Expecting a server round-trip

Nothing is uploaded — every tool in this category runs entirely in your browser.

Online