Entities are certain text strings that allow you to put special characters such as ñ or < in an HTML document that you know you won't be able to put in any way, here is a full listing of all ASCII and ISO entity names and numbers.
| Hex value | Decimal value | Decimal entities | Named entities | Character | |
|---|---|---|---|---|---|
| %00 | 0 | Unused | |||
| %01 | 1 | Unused | |||
| %02 | 2 | Unused | |||
| %03 | 3 | Unused | |||
| %04 | 4 | Unused | |||
| %05 | 5 | Unused | |||
| %06 | 6 | Unused | |||
| %07 | 7 | Unused | |||
| %08 | 8 | Unused | |||
| %09 | 9 | 	 | Horizontal tab | ||
| %0A | 10 | | Line feed | ||
| %0B | 11 | Unused | |||
| %0C | 12 | Unused | |||
| %0D | 13 | | Carriage Return | ||
| %0E | 14 | Unused | |||
| %0F | 15 | Unused | |||
| %10 | 16 | Unused | |||
| %11 | 17 | Unused | |||
| %12 | 18 | Unused | |||
| %13 | 19 | Unused | |||
| %14 | 20 | Unused | |||
| %15 | 21 | Unused | |||
| %16 | 22 | Unused | |||
| %17 | 23 | Unused | |||
| %18 | 24 | Unused | |||
| %19 | 25 | Unused | |||
| %1A | 26 | Unused | |||
| %1B | 27 | Unused | |||
| %1C | 28 | Unused | |||
| %1D | 29 | Unused | |||
| %1E | 30 | Unused | |||
| %1F | 31 | Unused | |||
| %20 | 32 |   | Space | ||
| %21 | 33 | ! | Exclamation mark | ! | |
| %22 | 34 | " | " | Quotation mark | " |
| %23 | 35 | # | Number sign | # | |
| %24 | 36 | $ | Dollar sign | $ | |
| %25 | 37 | % | Percent sign | % | |
| %26 | 38 | & | & | Ampersand | & |
| %27 | 39 | ' | Apostrophe | ' | |
| %28 | 40 | ( | Left parenthesis | ( | |
| %29 | 41 | ) | Right parenthesis | ) | |
| %2A | 42 | * | Asterisk | * | |
| %2B | 43 | + | Plus sign | + | |
| %2C | 44 | , | Comma | , | |
| %2D | 45 | - | Hyphen | - | |
| %2E | 46 | . | Period (fullstop) | . | |
| %2F | 47 | / | Solidus (slash) | / | |
| %30 | 48 | 0 | Digit 0 | 0 | |
| %31 | 49 | 1 | Digit 1 | 1 | |
| %32 | 50 | 2 | Digit 2 | 2 | |
| %33 | 51 | 3 | Digit 3 | 3 | |
| %34 | 52 | 4 | Digit 4 | 4 | |
| %35 | 53 | 5 | Digit 5 | 5 | |
| %36 | 54 | 6 | Digit 6 | 6 | |
| %37 | 55 | 7 | Digit 7 | 7 | |
| %38 | 56 | 8 | Digit 8 | 8 | |
| %39 | 57 | 9 | Digit 9 | 9 | |
| %3A | 58 | : | Colon | : | |
| %3B | 59 | ; | Semi-colon | ; | |
| %3C | 60 | < | < | Less than | < |
| %3D | 61 | = | Equals sign | = | |
| %3E | 62 | > | > | Greater than | > |
| %3F | 63 | ? | Question mark | ? | |
| %40 | 64 | @ | Commercial at | @ | |
| %41 | 65 | A | Letter A | A | |
| %42 | 66 | B | Letter B | B | |
| %43 | 67 | C | Letter C | C | |
| %44 | 68 | D | Letter D | D | |
| %45 | 69 | E | Letter E | E | |
| %46 | 70 | F | Letter F | F | |
| %47 | 71 | G | Letter G | G | |
| %48 | 72 | H | Letter H | H | |
| %49 | 73 | I | Letter I | I | |
| %4A | 74 | J | Letter J | J | |
| %4B | 75 | K | Letter K | K | |
| %4C | 76 | L | Letter L | L | |
| %4D | 77 | M | Letter M | M | |
| %4E | 78 | N | Letter N | N | |
| %4F | 79 | O | Letter O | O | |
| %50 | 80 | P | Letter P | P | |
| %51 | 81 | Q | Letter Q | Q | |
| %52 | 82 | R | Letter R | R | |
| %53 | 83 | S | Letter S | S | |
| %54 | 84 | T | Letter T | T | |
| %55 | 85 | U | Letter U | U | |
| %56 | 86 | V | Letter V | V | |
| %57 | 87 | W | Letter W | W | |
| %58 | 88 | X | Letter X | X | |
| %59 | 89 | Y | Letter Y | Y | |
| %5A | 90 | Z | Letter Z | Z | |
| %5B | 91 | [ | Left square bracket | [ | |
| %5C | 92 | \ | Reverse solidus (backslash) | \ | |
| %5D | 93 | ] | Right square bracket | ] | |
| %5E | 94 | ^ | Caret | ^ | |
| %5F | 95 | _ | Horizontal bar (underscore) | _ | |
| %60 | 96 | ` | Acute accent | ` | |
| %61 | 97 | a | Letter a | a | |
| %62 | 98 | b | Letter b | b | |
| %63 | 99 | c | Letter c | c | |
| %64 | 100 | d | Letter d | d | |
| %65 | 101 | e | Letter e | e | |
| %66 | 102 | f | Letter f | f | |
| %67 | 103 | g | Letter g | g | |
| %68 | 104 | h | Letter h | h | |
| %69 | 105 | i | Letter i | i | |
| %6A | 106 | j | Letter j | j | |
| %6B | 107 | k | Letter k | k | |
| %6C | 108 | l | Letter l | l | |
| %6D | 109 | m | Letter m | m | |
| %6E | 110 | n | Letter n | n | |
| %6F | 111 | o | Letter o | o | |
| %70 | 112 | p | Letter p | p | |
| %71 | 113 | q | Letter q | q | |
| %72 | 114 | r | Letter r | r | |
| %73 | 115 | s | Letter s | s | |
| %74 | 116 | t | Letter t | t | |
| %75 | 117 | u | Letter u | u | |
| %76 | 118 | v | Letter v | v | |
| %77 | 119 | w | Letter w | w | |
| %78 | 120 | x | Letter x | x | |
| %79 | 121 | y | Letter y | y | |
| %7A | 122 | z | Letter z | z | |
| %7B | 123 | { | Left curly brace | { | |
| %7C | 124 | | | Vertical bar | | | |
| %7D | 125 | } | Right curly brace | } | |
| %7E | 126 | ~ | Tilde | ~ | |
| %7F | 127 | Unused | |||
| %80 | 128 | Unused | |||
| %81 | 129 | Unused | |||
| %82 | 130 | Unused | |||
| %83 | 131 | Unused | |||
| %84 | 132 | Unused | |||
| %85 | 133 | Unused | |||
| %86 | 134 | Unused | |||
| %87 | 135 | Unused | |||
| %88 | 136 | Unused | |||
| %89 | 137 | Unused | |||
| %8A | 138 | Unused | |||
| %8B | 139 | Unused | |||
| %8C | 140 | Unused | |||
| %8D | 141 | Unused | |||
| %8E | 142 | Unused | |||
| %8F | 143 | Unused | |||
| %90 | 144 | Unused | |||
| %91 | 145 | Unused | |||
| %92 | 146 | Unused | |||
| %93 | 147 | Unused | |||
| %94 | 148 | Unused | |||
| %96 | 150 | Unused | |||
| %97 | 151 | Unused | |||
| %98 | 152 | Unused | |||
| %99 | 153 | Unused | |||
| %9A | 154 | Unused | |||
| %9B | 155 | Unused | |||
| %9C | 156 | Unused | |||
| %9D | 157 | Unused | |||
| %9E | 158 | Unused | |||
| %9F | 159 | Unused | |||
| %A0 | 160 |   | | Non-breaking Space | |
| %A1 | 161 | ¡ | ¡ | Inverted exclamation | ¡ |
| %A2 | 162 | ¢ | ¢ | Cent sign | ¢ |
| %A3 | 163 | £ | £ | Pound sterling | £ |
| %A4 | 164 | ¤ | ¤ | General currency sign | ¤ |
| %A5 | 165 | ¥ | ¥ | Yen sign | ¥ |
| %A6 | 166 | ¦ | ¦ | Broken vertical bar | ¦ |
| %A7 | 167 | § | § | Section sign | § |
| %A8 | 168 | ¨ | ¨ | Umlaut (dieresis) | ¨ |
| %A9 | 169 | © | © | Copyright | © |
| %AA | 170 | ª | ª | Feminine ordinal | ª |
| %AB | 171 | « | « | Left angle quote, guillemotleft | « |
| %AC | 172 | ¬ | ¬ | Not sign | ¬ |
| %AD | 173 | ­ | ­ | Soft hyphen | |
| %AE | 174 | ® | ® | Registered trademark | ® |
| %AF | 175 | ¯ | ¯ | Macron accent | ¯ |
| %B0 | 176 | ° | ° | Degree sign | ° |
| %B1 | 177 | ± | ± | Plus or minus | ± |
| %B2 | 178 | ² | ² | Superscript two | ² |
| %B3 | 179 | ³ | ³ | Superscript three | ³ |
| %B4 | 180 | ´ | ´ | Acute accent | ´ |
| %B5 | 181 | µ | µ | Micro sign | µ |
| %B6 | 182 | ¶ | ¶ | Paragraph sign | ¶ |
| %B7 | 183 | · | · | Middle dot | · |
| %B8 | 184 | ¸ | ¸ | Cedilla | ¸ |
| %B9 | 185 | ¹ | ¹ | Superscript one | ¹ |
| %BA | 186 | º | º | Masculine ordinal | º |
| %BB | 187 | » | » | Right angle quote, guillemotright | » |
| %BC | 188 | ¼ | ¼ | Fraction one-fourth | ¼ |
| %BD | 189 | ½ | ½ | Fraction one-half | ½ |
| %BE | 190 | ¾ | ¾ | Fraction three-fourths | ¾ |
| %BF | 191 | ¿ | ¿ | Inverted question mark | ¿ |
| %C0 | 192 | À | À | Capital A, grave accent | À |
| %C1 | 193 | Á | Á | Capital A, acute accent | Á |
| %C2 | 194 | Â | Â | Capital A, circumflex accent | Â |
| %C3 | 195 | Ã | Ã | Capital A, tilde | Ã |
| %C4 | 196 | Ä | Ä | Capital A, dieresis or umlaut mark | Ä |
| %C5 | 197 | Å | Å | Capital A, ring | Å |
| %C6 | 198 | Æ | Æ | Capital AE dipthong (ligature) | Æ |
| %C7 | 199 | Ç | Ç | Capital C, cedilla | Ç |
| %C8 | 200 | È | È | Capital E, grave accent | È |
| %C9 | 201 | É | É | Capital E, acute accent | É |
| %CA | 202 | Ê | Ê | Capital E, circumflex accent | Ê |
| %CB | 203 | Ë | Ë | Capital E, dieresis or umlaut mark | Ë |
| %CC | 204 | Ì | Ì | Capital I, grave accent | Ì |
| %CD | 205 | Í | Í | Capital I, acute accent | Í |
| %CE | 206 | Î | Î | Capital I, circumflex accent | Î |
| %CF | 207 | Ï | Ï | Capital I, dieresis or umlaut mark | Ï |
| %D0 | 208 | Ð | Ð | Capital Eth, Icelandic | Ð |
| %D1 | 209 | Ñ | Ñ | Capital N, tilde | Ñ |
| %D2 | 210 | Ò | Ò | Capital O, grave accent | Ò |
| %D3 | 211 | Ó | Ó | Capital O, acute accent | Ó |
| %D4 | 212 | Ô | Ô | Capital O, circumflex accent | Ô |
| %D5 | 213 | Õ | Õ | Capital O, tilde | Õ |
| %D6 | 214 | Ö | Ö | Capital O, dieresis or umlaut mark | Ö |
| %D7 | 215 | × | × | Multiply sign | × |
| %D8 | 216 | Ø | Ø | Capital O, slash | Ø |
| %D9 | 217 | Ù | Ù | Capital U, grave accent | Ù |
| %DA | 218 | Ú | Ú | Capital U, acute accent | Ú |
| %DB | 219 | Û | Û | Capital U, circumflex accent | Û |
| %DC | 220 | Ü | Ü | Capital U, dieresis or umlaut mark | Ü |
| %DD | 221 | Ý | Ý | Capital Y, acute accent | Ý |
| %DE | 222 | Þ | Þ | Capital THORN, Icelandic | Þ |
| %DF | 223 | ß | ß | Small sharp s, German (sz ligature) | ß |
| %E0 | 224 | à | à | Small a, grave accent | à |
| %E1 | 225 | á | á | Small a, acute accent | á |
| %E2 | 226 | â | â | Small a, circumflex accent | â |
| %E3 | 227 | ã | ã | Small a, tilde | ã |
| %E4 | 228 | ä | ä | Small a, dieresis or umlaut mark | ä |
| %E5 | 229 | å | å | Small a, ring | å |
| %E6 | 230 | æ | æ | Small ae dipthong (ligature) | æ |
| %E7 | 231 | ç | ç | Small c, cedilla | ç |
| %E8 | 232 | è | è | Small e, grave accent | è |
| %E9 | 233 | é | é | Small e, acute accent | é |
| %EA | 234 | ê | ê | Small e, circumflex accent | ê |
| %EB | 235 | ë | ë | Small e, dieresis or umlaut mark | ë |
| %EC | 236 | ì | ì | Small i, grave accent | ì |
| %ED | 237 | í | í | Small i, acute accent | í |
| %EE | 238 | î | î | Small i, circumflex accent | î |
| %EF | 239 | ï | ï | Small i, dieresis or umlaut mark | ï |
| %F0 | 240 | ð | ð | Small eth, Icelandic | ð |
| %F1 | 241 | ñ | ñ | Small n, tilde | ñ |
| %F2 | 242 | ò | ò | Small o, grave accent | ò |
| %F3 | 243 | ó | ó | Small o, acute accent | ó |
| %F4 | 244 | ô | ô | Small o, circumflex accent | ô |
| %F5 | 245 | õ | õ | Small o, tilde | õ |
| %F6 | 246 | ö | ö | Small o, dieresis or umlaut mark | ö |
| %F7 | 247 | ÷ | ÷ | Division sign | ÷ |
| %F8 | 248 | ø | ø | Small o, slash | ø |
| %F9 | 249 | ù | ù | Small u, grave accent | ù |
| %FA | 250 | ú | ú | Small u, acute accent | ú |
| %FB | 251 | û | û | Small u, circumflex accent | û |
| %FC | 252 | ü | ü | Small u, dieresis or umlaut mark | ü |
| %FD | 253 | ý | ý | Small y, acute accent | ý |
| %FE | 254 | þ | þ | Small thorn, Icelandic | þ |
| %FF | 255 | ÿ | ÿ | Small y, dieresis or umlaut mark | ÿ |
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