Quick reference chart for displaying special characters in html/markdown.

character-entities.md

HTML Character Entities

Quick reference chart for displaying special characters in html/markdown.

Entity	Rendered Character	Description
 		Non-breaking space
©	©	Copyright
®	®	Registered trademark
™	™	Trademark
░	░	25% (¼) shaded block
▒	▒	50% (½) shaded block
▓	▓	75% (¾) shaded block
█	█	Fully shaded block
★	★	Star
✓	✓	Check mark
✗	✗	Cross mark
⧉	⧉	Square on top of a square (copy-paste symbol)
⤓	⤓	Down arrow with bar (download symbol)
⇵	⇵	Down arrow then up arrow
␣	␣	Blank symbol (sometimes used to represent a space)
𝕒	𝕒	Open face letters a-z
𝔸	𝔸	Open face letters A-Z
𝒶	𝒶	Script letters a-z
𝒜	𝒜	Script letters A-Z
¶	¶	Pilcrow (paragraph sign)
§	§	Section sign
…	…	Horizontal ellipsis
∴	∴	Therefore
∵	∵	Because
•	•	Bullet point
⋄	⋄	Diamond shape
◊	◊	Lozenge
⧫	⧫	Black lozenge
▪	▪	Black square
♠	♠	Spades
♣	♣	Clubs
♥	♥	Hearts
♦	♦	Diamonds
↑	↑	Up-pointing arrow
⇑	⇑	Double up-pointing arrow
↓	↓	Down-pointing arrow
⇓	⇓	Double down-pointing arrow
←	←	Left-pointing arrow
⇐	⇐	Double left-pointing arrow
‹	‹	Single left angle quote
«	«	Double left angle quote
→	→	Right-pointing arrow
⇒	⇒	Double right-pointing arrow
›	›	Single right angle quote
»	»	Double right angle quote
↔	↔	Left/right arrow
⇔	⇔	Left/right double arrow
&lt;	<	Less-than
&gt;	>	Greater-than
&le;	≤	Less than or equal
&ge;	≥	Greater than or equal
&asymp;	≈	Almost equal to
&cong;	≅	Approximately equal to
&equiv;	≡	Identical to; equivalent
&ne;	≠	Not equal
&infin;	∞	Infinity
&iexcl;	¡	Inverted exclamation mark
&iquest;	¿	Inverted question mark
&plusmn;	±	Plus/minus sign
&times;	×	Multiplication sign
&divide;	÷	Division sign
&deg;	°	Degree symbol
&sup1;	¹	Superscript 1
&sup2;	²	Superscript 2 (and so on)
&frac14;	¼	One-fourth fraction
&frac12;	½	One-half fraction
&frac34;	¾	Three-fourths fraction
&cent;	¢	Cent sign
&pound;	£	Pound sign
&yen;	¥	Yen sign
&euro;	€	Euro sign

Not an exhaustive list, there are many more. w3schools has nice reference charts; the HTML4 character entity reference chart, is a good place to start. Use the sidebar to view all HTML5 character entities.