const.id

html-entity

ÿ

ÿ

ÿ

HTML named character reference ÿ maps to U+00FF.

Mapping

Named reference
ÿ
Code point(s)
U+00FF
Decimal
255
Characters
ÿ

Numeric character references

Named
Decimal
Hex

Usage

Prefer a named reference when the character must survive encoding mistakes or is awkward to type. Numeric references (ÿ) are always valid HTML for the mapped code point(s).

Related

Unicode

U+00FF

Same character

Other entities

Entities that produce this code point

Source

Unicode
16.0.0
WHATWG
snapshot 2026-08-02