Latin Small Letter Y With Diaeresis Letter
ÿ is the Latin small letter y with diaeresis (two dots) used in various language orthographies.
U+00FF
The symbol ÿ is a Unicode character: LATIN SMALL LETTER Y WITH DIAERESIS (U+00FF). It’s useful when you need accurate spelling or typography that includes the diaeresis mark on “y”. Below you’ll find copy options and code escapes for web and software use.
Latin Small Letter Y With Diaeresis Letter Meaning
ÿ (U+00FF) is a Latin Extended character representing a lowercase “y” with a diaeresis (two dots). In written language, the diaeresis can indicate specific pronunciation or orthographic conventions in words where “ÿ” is part of the standard spelling. Because it’s a distinct Unicode character, using ÿ directly (rather than a plain “y” or an added combining mark) helps preserve correct text rendering, search behavior, and character-by-character fidelity in documents and applications. It also shows up in names, brand text, and legacy encodings where the exact character matters.
Common uses
- •Accurate spelling in names and words that require “y” with diaeresis
- •Correct rendering in HTML pages when the exact character is required
- •Typography work where a designer needs the proper precomposed character
- •Data entry and validation in forms or systems that must preserve Unicode text
- •Legacy text conversion or localization tasks that produce U+00FF
Examples
ÿ — Latin small letter y with diaeresis
- ÿcÿber: a stylized label in a UI
- ÿNoëlÿr: a fictional character name
- ÿmyÿth: branding text with a diaeresis on y
- ÿÿ is often used when spelling must be exact
- ÿEmail lists sometimes contain ÿ in proper nouns
Variations
Technical codes
| Unicode | U+00FF | |
| HTML Entity | ÿ | |
| HTML Code | ÿ | |
| CSS | \00FF | |
| Alt Code | Alt + 0255 | |
| Decimal | 255 |
How to type Latin Small Letter Y With Diaeresis Letter (ÿ)
On Windows
Hold Alt and type 255 on the numeric keypad. In Word, type 00FF then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 00FF. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 00ff, then press Enter or Space.
Anywhere
Copy ÿ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Latin Small Letter Y With Diaeresis letter mean?
ÿ (U+00FF) is a Latin Extended character representing a lowercase “y” with a diaeresis (two dots). In written language, the diaeresis can indicate specific pronunciation or orthographic conventions in words where “ÿ” is part of the standard spelling. Because it’s a distinct Unicode character, using ÿ directly (rather than a plain “y” or an added combining mark) helps preserve correct text rendering, search behavior, and character-by-character fidelity in documents and applications. It also shows up in names, brand text, and legacy encodings where the exact character matters.
What is the Unicode code point for ÿ?
ÿ is U+00FF (LATIN SMALL LETTER Y WITH DIAERESIS).
How do I write ÿ in HTML?
You can use the HTML entity ÿ.
How do I escape ÿ in CSS?
Use the CSS escape \\00FF.
How do I escape ÿ in JavaScript?
Use \\u{00FF} (or ensure your source is saved in UTF-8 and include ÿ directly).