HTML character map

In HTML (and XML), there are 'character entity reference' that are used to represent non-ASCII characters. E.g. the character '→' can be encoded as →, to use in a non-Unicode-compatible text format. These characters will follow the style and size of your font.
For Emoji characters like 🥁 and 😆, check the Emoji character map.

<	lt: less-than sign math
ª	ordf: feminine ordinal indicator
¯	macr: macron (spacing macron, overline, APL overbar)
°	deg: degree symbol
¼	frac14: vulgar fraction one quarter (fraction one quarter)
Æ	AElig: Latin capital letter AE (Latin capital ligature AE)
Ç	Ccedil: Latin capital letter C with cedilla
Ú	Uacute: Latin capital letter U with acute accent
Û	Ucirc: Latin capital letter U with circumflex
ã	atilde: Latin small letter a with tilde
ø	oslash: Latin small letter o with stroke (Latin small letter o slash)
ú	uacute: Latin small letter u with acute accent
˜	tilde: small tilde
Γ	Gamma: Greek capital letter Gamma
Ζ	Zeta: Greek capital letter Zeta
Υ	Upsilon: Greek capital letter Upsilon
ε	epsilon: Greek small letter epsilon
⁄	frasl: fraction slash (solidus)
⇑	uArr: upwards double arrow
⊥	perp: up tack (orthogonal to, perpendicular)[o]

Wikipedia