\small - LaTeX font command

{\small x + y}

Renderer support

Package	MathJax	KaTeX	XeTeX
`base`	MathJax: Full	KaTeX: Full	XeTeX: Full
`textmacros`	MathJax: Full	KaTeX: Full	XeTeX: Full

Syntax#

\small

Takes no arguments. Same argspec in base and textmacros. Reading argspecs

base

a + \small b + c

textmacros

\text{\small x}

Package	Signature	Allowed mode	Notes
`base`		math	Used to make subsequent math slightly smaller within a local scope, such as a compact subexpression or note.
`textmacros`		text	Switches subsequent text-mode content to a slightly smaller size, often for captions, notes, or compact text fragments inside a local group.

TeXForm parses this entry as declarative syntax; the package determines its argument specification.

`base`
Input	Case	MathJax	KaTeX	XeTeX
`{\small a}`	Positive · baseline	Pass	Pass	Pass

`textmacros`
Input	Case	MathJax	KaTeX	XeTeX
`{\small a}`	Positive · baseline	Pass	Pass	Pass