Small fi Ligature HTML entity &filig;

&filig; is the HTML entity for Small fi Ligature ﬁ (U+FB01). Copy the decimal ﬁ and hex ﬁ codes plus CSS, JavaScript, Python and URL escapes.

Entity: &filig;
Code point: U+FB01
Unicode name: LATIN SMALL LIGATURE FI
Block: Alphabetic Presentation Forms
Category: Lowercase letter (Ll)
Since: Unicode 1.1
Defined in: HTML5

Codes to copy

HTML named	`&filig;`Works in HTML; in XML only & < > " ' are predefined.
HTML decimal	`ﬁ`Works in HTML and XML.
HTML hex	`ﬁ`Works in HTML and XML.
CSS	`content: "\FB01";`In a stylesheet, for ::before and ::after.
JavaScript	`"\uFB01"`Also valid in JSON.
Python	`"\ufb01"`Python 3 string literal.
Python by name	`"\N{LATIN SMALL LIGATURE FI}"`Readable alternative using the Unicode name.
URL	`%EF%AC%81`Percent-encoded UTF-8 bytes, for a path or query value.
UTF-8 bytes	`EF AC 81`3 bytes.
UTF-16	`FB01`1 code unit, which is what JavaScript length counts.

When to use it

&filig; writes U+FB01 (Small fi Ligature), a small letter from the Unicode Alphabetic Presentation Forms block, encoded since Unicode 1.1. On a page saved as UTF-8 the letter can simply be typed; the entity helps in ASCII-only templates and code samples.

The name comes from the HTML5 list (much of it shared with MathML), so it works in every current browser but not in XML or XHTML served as XML, where the numeric reference is the safe choice.

More latin letters with accents

All latin letters with accents · Every HTML entity · Encode or decode text

Source: the WHATWG HTML Standard list of named character references and the Unicode Character Database (Unicode 18.0).