O
U+004F · LATIN CAPITAL LETTER O
Latin Capital Letter O
| UTF-8 | 4F | 1 byte |
|---|---|---|
| UTF-16 | 004F | 1 code unit |
| UTF-32 | 0000004F | 4 bytes |
| HTML decimal | O | |
| HTML hex | O | |
| CSS | \4F | in content: "…" |
| JavaScript | \u004F | |
| JSON | \u004F | |
| Python | \u004F | |
| Python | \N{LATIN CAPITAL LETTER O} | by name |
| Java / C# | \u004F | |
| Rust / Swift / PHP | \u{4F} | |
| Go | \u004F | |
| Ruby | \u004F | |
| Excel / Sheets | =UNICHAR(79) | |
| URL-encoded | %4F | percent-encoded UTF-8 |
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Looks similar
Characters that Unicode’s security data (UTS #39 confusables) lists as visually confusable with this one. Useful for spotting lookalike spoofing in URLs and usernames.
U+00300Digit Zero
U+039FΟGreek Capital Letter Omicron
U+041EОCyrillic Capital Letter O
U+0555ՕArmenian Capital Letter Oh
U+3007〇Ideographic Number Zero
U+FF2FＯFullwidth Latin Capital Letter O
U+1D40E𝐎Mathematical Bold Capital O
U+1D442𝑂Mathematical Italic Capital O
U+1D476𝑶Mathematical Bold Italic Capital O
U+1D4AA𝒪Mathematical Script Capital O
U+1D4DE𝓞Mathematical Bold Script Capital O
U+1D512𝔒Mathematical Fraktur Capital O
U+1D546𝕆Mathematical Double-Struck Capital O
U+1D57A𝕺Mathematical Bold Fraktur Capital O
U+1D5AE𝖮Mathematical Sans-Serif Capital O
U+1D5E2𝗢Mathematical Sans-Serif Bold Capital O
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Characters built on O
U+00D2ÒLatin Capital Letter O with Grave
U+00D3ÓLatin Capital Letter O with Acute
U+00D4ÔLatin Capital Letter O with Circumflex
U+00D5ÕLatin Capital Letter O with Tilde
U+00D6ÖLatin Capital Letter O with Diaeresis
U+014CŌLatin Capital Letter O with Macron
U+014EŎLatin Capital Letter O with Breve
U+0150ŐLatin Capital Letter O with Double Acute
U+01A0ƠLatin Capital Letter O with Horn
U+01D1ǑLatin Capital Letter O with Caron
U+01EAǪLatin Capital Letter O with Ogonek
U+020CȌLatin Capital Letter O with Double Grave
U+020EȎLatin Capital Letter O with Inverted Breve
U+022EȮLatin Capital Letter O with Dot Above
U+1ECCỌLatin Capital Letter O with Dot Below
U+1ECEỎLatin Capital Letter O with Hook Above
U+1D3CᴼModifier Letter Capital O
U+24C4ⓄCircled Latin Capital Letter O
U+FF2FＯFullwidth Latin Capital Letter O
U+1D40E𝐎Mathematical Bold Capital O
U+1D442𝑂Mathematical Italic Capital O
U+1D476𝑶Mathematical Bold Italic Capital O
U+1D4AA𝒪Mathematical Script Capital O
U+1D4DE𝓞Mathematical Bold Script Capital O
U+0049ILatin Capital Letter I
U+004AJLatin Capital Letter J
U+004BKLatin Capital Letter K
U+004CLLatin Capital Letter L
U+004DMLatin Capital Letter M
U+004ENLatin Capital Letter N
U+0050PLatin Capital Letter P
U+0051QLatin Capital Letter Q
U+0052RLatin Capital Letter R
U+0053SLatin Capital Letter S
U+0054TLatin Capital Letter T
U+0055ULatin Capital Letter U