Greek Capital Letter Omicron vs Latin Capital Letter O

Compare two Unicode characters side by side — encodings, HTML entities, escape sequences, and Unicode properties. Useful for distinguishing visually similar characters like hyphens and dashes, quotation marks, or homoglyphs.

vs
Ο

Greek Capital Letter Omicron

U+039F
O

Latin Capital Letter O

U+004F

Property Comparison

Property Greek Capital Letter Omicron Latin Capital Letter O
Codepoint U+039F U+004F
Decimal 927 79
HTML Entity Ο O
HTML Decimal Ο O
HTML Hex Ο O
UTF-8 CE 9F 4F
UTF-16 03 9F 00 4F
UTF-32 0000039F 0000004F
CSS Escape \39F \4F
JS Escape \u039F \u004F
Python Escape \u039F \u004F
URL Encoded %CE%9F O
Category Uppercase Letter (Lu) Uppercase Letter (Lu)
Block Greek and Coptic Basic Latin
Script Greek Latin
Bidi Class L L
Unicode Version 1.1 1.1
Rows highlighted in amber differ between the two characters.