What is a Unicode codepoint?

A Unicode codepoint is a unique number assigned to each character in the Unicode standard. It is typically written in hexadecimal with a U+ prefix, such as U+0041 for the letter 'A'.

What is the difference between UTF-8 and UTF-16?

UTF-8 and UTF-16 are both encodings of Unicode. UTF-8 uses 1-4 bytes per character and is the most common encoding on the web. UTF-16 uses 2 or 4 bytes per character and is used internally by JavaScript and Java.

Can I look up emoji characters?

Yes! Paste any emoji into the input and the tool will show its Unicode codepoint, UTF-8 encoding, and UTF-16 encoding details.

Does this tool support multi-byte characters?

Yes. The tool handles the full Unicode range, including CJK characters, emoji, and supplementary plane characters that require surrogate pairs in UTF-16.

Is my data stored or sent to a server?

No. All processing happens entirely in your browser. Nothing is saved or transmitted to any server.

Unicode Lookup

Enter any character to see its Unicode codepoint, category, and UTF-8/UTF-16 encoding. Supports emoji, CJK, and the full Unicode range. Everything runs in your browser — nothing is sent to any server.

What Is Unicode?

Unicode is a universal character encoding standard that assigns a unique number (codepoint) to every character in every writing system. It covers over 149,000 characters across 161 scripts, including Latin, CJK, Arabic, Devanagari, and emoji.