Browser support for these entities is generally quite poor, but recent browsers support some of the character entity references and decimal character references.
Note that hexadecimal character references will cause errors with current validators (except the WDG HTML Validator) since these references are defined in a recent revision to the SGML standard that is not yet supported by most validators.
| Character | Decimal code | Named entity | Description |
| Unassigned | � | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned | 	 | Unassigned | Horizontal tab |
| Unassigned | | Unassigned | Line feed |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned | | Unassigned | Carriage Return |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
| Unassigned |  | Unassigned | Unused |
|   | Unassigned | Space | |
| ! | ! | Unassigned | Exclamation mark |
| " | " | " | Quotation mark |
| # | # | Unassigned | Number sign |
| $ | $ | Unassigned | Dollar sign |
| % | % | Unassigned | Percent sign |
| & | & | & | Ampersand |
| ' | ' | Unassigned | Apostrophe |
| ( | ( | Unassigned | Left parenthesis |
| ) | ) | Unassigned | Right parenthesis |
| * | * | Unassigned | Asterisk |
| + | + | Unassigned | Plus sign |
| , | , | Unassigned | Comma |
| - | - | Unassigned | Hyphen |
| . | . | Unassigned | Period (full stop) |
| / | / | Unassigned | Solidus (slash) |
| 0 | 0 | Unassigned | Digit 0 |
| 1 | 1 | Unassigned | Digit 1 |
| 2 | 2 | Unassigned | Digit 2 |
| 3 | 3 | Unassigned | Digit 3 |
| 4 | 4 | Unassigned | Digit 4 |
| 5 | 5 | Unassigned | Digit 5 |
| 6 | 6 | Unassigned | Digit 6 |
| 7 | 7 | Unassigned | Digit 7 |
| 8 | 8 | Unassigned | Digit 8 |
| 9 | 9 | Unassigned | Digit 9 |
| : | : | Unassigned | Colon |
| ; | ; | Unassigned | Semicolon |
| < | < | < | Less than |
| = | = | Unassigned | Equals sign |
| > | > | > | Greater than |
| ? | ? | Unassigned | Question mark |
| @ | @ | Unassigned | Commercial at |
| A | A | Unassigned | Capital A |
| B | B | Unassigned | Capital B |
| C | C | Unassigned | Capital C |
| D | D | Unassigned | Capital D |
| E | E | Unassigned | Capital E |
| F | F | Unassigned | Capital F |
| G | G | Unassigned | Capital G |
| H | H | Unassigned | Capital H |
| I | I | Unassigned | Capital I |
| J | J | Unassigned | Capital J |
| K | K | Unassigned | Capital K |
| L | L | Unassigned | Capital L |
| M | M | Unassigned | Capital M |
| N | N | Unassigned | Capital N |
| O | O | Unassigned | Capital O |
| P | P | Unassigned | Capital P |
| Q | Q | Unassigned | Capital Q |
| R | R | Unassigned | Capital R |
| S | S | Unassigned | Capital S |
| T | T | Unassigned | Capital T |
| U | U | Unassigned | Capital U |
| V | V | Unassigned | Capital V |
| W | W | Unassigned | Capital W |
| X | X | Unassigned | Capital X |
| Y | Y | Unassigned | Capital Y |
| Z | Z | Unassigned | Capital Z |
| [ | [ | Unassigned | Left square bracket |
| \ | \ | Unassigned | Reverse solidus (backslash) |
| ] | ] | Unassigned | Right square bracket |
| ^ | ^ | Unassigned | Caret |
| _ | _ | Unassigned | Horizontal bar (underscore) |
| ` | ` | Unassigned | Acute accent |
| a | a | Unassigned | Small a |
| b | b | Unassigned | Small b |
| c | c | Unassigned | Small c |
| d | d | Unassigned | Small d |
| e | e | Unassigned | Small e |
| f | f | Unassigned | Small f |
| g | g | Unassigned | Small g |
| h | h | Unassigned | Small h |
| i | i | Unassigned | Small i |
| j | j | Unassigned | Small j |
| k | k | Unassigned | Small k |
| l | l | Unassigned | Small l |
| m | m | Unassigned | Small m |
| n | n | Unassigned | Small n |
| o | o | Unassigned | Small o |
| p | p | Unassigned | Small p |
| q | q | Unassigned | Small q |
| r | r | Unassigned | Small r |
| s | s | Unassigned | Small s |
| t | t | Unassigned | Small t |
| u | u | Unassigned | Small u |
| v | v | Unassigned | Small v |
| w | w | Unassigned | Small w |
| x | x | Unassigned | Small x |
| y | y | Unassigned | Small y |
| z | z | Unassigned | Small z |
| { | { | Unassigned | Left curly brace |
| | | | | Unassigned | Vertical bar |
| } | } | Unassigned | Right curly brace |
| ~ | ~ | Unassigned | Tilde |
| Unassigned |  | Unassigned | Unused |
|   | | Nonbreaking space | |
| ¡ | ¡ | ¡ | Inverted exclamation |
| ¢ | ¢ | ¢ | Cent sign |
| £ | £ | £ | Pound sterling |
| ¤ | ¤ | ¤ | General currency sign |
| ¥ | ¥ | ¥ | Yen sign |
| ¦ | ¦ | ¦ or &brkbar; | Broken vertical bar |
| § | § | § | Section sign |
| ¨ | ¨ | ¨ or ¨ | Diæresis / Umlaut |
| © | © | © | Copyright |
| ª | ª | ª | Feminine ordinal |
| « | « | « | Left angle quote, guillemot left |
| ¬ | ¬ | ¬ | Not sign |
| | ­ | ­ | Soft hyphen |
| ® | ® | ® | Registered trademark |
| ¯ | ¯ | ¯ or &hibar; | Macron accent |
| ° | ° | ° | Degree sign |
| ± | ± | ± | Plus or minus |
| ² | ² | ² | Superscript two |
| ³ | ³ | ³ | Superscript three |
| ´ | ´ | ´ | Acute accent |
| µ | µ | µ | Micro sign |
| ¶ | ¶ | ¶ | Paragraph sign |
| · | · | · | Middle dot |
| ¸ | ¸ | ¸ | Cedilla |
| ¹ | ¹ | ¹ | Superscript one |
| º | º | º | Masculine ordinal |
| » | » | » | Right angle quote, guillemot right |
| ¼ | ¼ | ¼ | Fraction one-fourth |
| ½ | ½ | ½ | Fraction one-half |
| ¾ | ¾ | ¾ | Fraction three-fourths |
| ¿ | ¿ | ¿ | Inverted question mark |
| À | À | À | Capital A, grave accent |
| Á | Á | Á | Capital A, acute accent |
| Â | Â | Â | Capital A, circumflex |
| Ã | Ã | Ã | Capital A, tilde |
| Ä | Ä | Ä | Capital A, diæresis / umlaut |
| Å | Å | Å | Capital A, ring |
| Æ | Æ | Æ | Capital AE ligature |
| Ç | Ç | Ç | Capital C, cedilla |
| È | È | È | Capital E, grave accent |
| É | É | É | Capital E, acute accent |
| Ê | Ê | Ê | Capital E, circumflex |
| Ë | Ë | Ë | Capital E, diæresis / umlaut |
| Ì | Ì | Ì | Capital I, grave accent |
| Í | Í | Í | Capital I, acute accent |
| Î | Î | Î | Capital I, circumflex |
| Ï | Ï | Ï | Capital I, diæresis / umlaut |
| Ð | Ð | Ð | Capital Eth, Icelandic |
| Ñ | Ñ | Ñ | Capital N, tilde |
| Ò | Ò | Ò | Capital O, grave accent |
| Ó | Ó | Ó | Capital O, acute accent |
| Ô | Ô | Ô | Capital O, circumflex |
| Õ | Õ | Õ | Capital O, tilde |
| Ö | Ö | Ö | Capital O, diæresis / umlaut |
| × | × | × | Multiply sign |
| Ø | Ø | Ø | Capital O, slash |
| Ù | Ù | Ù | Capital U, grave accent |
| Ú | Ú | Ú | Capital U, acute accent |
| Û | Û | Û | Capital U, circumflex |
| Ü | Ü | Ü | Capital U, diæresis / umlaut |
| Ý | Ý | Ý | Capital Y, acute accent |
| Þ | Þ | Þ | Capital Thorn, Icelandic |
| ß | ß | ß | Small sharp s, German sz |
| à | à | à | Small a, grave accent |
| á | á | á | Small a, acute accent |
| â | â | â | Small a, circumflex |
| ã | ã | ã | Small a, tilde |
| ä | ä | ä | Small a, diæresis / umlaut |
| å | å | å | Small a, ring |
| æ | æ | æ | Small ae ligature |
| ç | ç | ç | Small c, cedilla |
| è | è | è | Small e, grave accent |
| é | é | é | Small e, acute accent |
| ê | ê | ê | Small e, circumflex |
| ë | ë | ë | Small e, diæresis / umlaut |
| ì | ì | ì | Small i, grave accent |
| í | í | í | Small i, acute accent |
| î | î | î | Small i, circumflex |
| ï | ï | ï | Small i, diæresis / umlaut |
| ð | ð | ð | Small eth, Icelandic |
| ñ | ñ | ñ | Small n, tilde |
| ò | ò | ò | Small o, grave accent |
| ó | ó | ó | Small o, acute accent |
| ô | ô | ô | Small o, circumflex |
| õ | õ | õ | Small o, tilde |
| ö | ö | ö | Small o, diæresis / umlaut |
| ÷ | ÷ | ÷ | Division sign |
| ø | ø | ø | Small o, slash |
| ù | ù | ù | Small u, grave accent |
| ú | ú | ú | Small u, acute accent |
| û | û | û | Small u, circumflex |
| ü | ü | ü | Small u, diæresis / umlaut |
| ý | ý | ý | Small y, acute accent |
| þ | þ | þ | Small thorn, Icelandic |
| ÿ | ÿ | ÿ | Small y, diæresis / umlaut |