The 128 extended ASCII characters (codes 128–255) extend the standard ASCII set with international characters, currency symbols, accented letters, fractions, and special typographic characters. These characters are part of ISO 8859-1 (Latin-1) and Windows-1252 encoding.
| DEC | OCT | HEX | BIN | Symbol | HTML | HTML Entity | Description |
|---|---|---|---|---|---|---|---|
| 128 | 200 | 0x80 | 10000000 | | € | — | Euro sign |
| 129 | 201 | 0x81 | 10000001 | |  | — | Unused |
| 130 | 202 | 0x82 | 10000010 | | ‚ | — | Single low-9 quotation mark |
| 131 | 203 | 0x83 | 10000011 | | ƒ | — | Latin small letter f with hook |
| 132 | 204 | 0x84 | 10000100 | | „ | — | Double low-9 quotation mark |
| 133 | 205 | 0x85 | 10000101 | … | — | Horizontal ellipsis | |
| 134 | 206 | 0x86 | 10000110 | | † | — | Dagger |
| 135 | 207 | 0x87 | 10000111 | | ‡ | — | Double dagger |
| 136 | 210 | 0x88 | 10001000 | | ˆ | — | Modifier letter circumflex accent |
| 137 | 211 | 0x89 | 10001001 | | ‰ | — | Per mille sign |
| 138 | 212 | 0x8A | 10001010 | | Š | — | Latin capital letter S with caron |
| 139 | 213 | 0x8B | 10001011 | | ‹ | — | Single left-pointing angle quotation |
| 140 | 214 | 0x8C | 10001100 | | Œ | — | Latin capital ligature OE |
| 141 | 215 | 0x8D | 10001101 | |  | — | Unused |
| 142 | 216 | 0x8E | 10001110 | | Ž | — | Latin capital letter Z with caron |
| 143 | 217 | 0x8F | 10001111 | |  | — | Unused |
| 144 | 220 | 0x90 | 10010000 | |  | — | Unused |
| 145 | 221 | 0x91 | 10010001 | | ‘ | — | Left single quotation mark |
| 146 | 222 | 0x92 | 10010010 | | ’ | — | Right single quotation mark |
| 147 | 223 | 0x93 | 10010011 | | “ | — | Left double quotation mark |
| 148 | 224 | 0x94 | 10010100 | | ” | — | Right double quotation mark |
| 149 | 225 | 0x95 | 10010101 | | • | — | Bullet |
| 150 | 226 | 0x96 | 10010110 | | – | — | En dash |
| 151 | 227 | 0x97 | 10010111 | | — | — | Em dash |
| 152 | 230 | 0x98 | 10011000 | | ˜ | — | Small tilde |
| 153 | 231 | 0x99 | 10011001 | | ™ | — | Trade mark sign |
| 154 | 232 | 0x9A | 10011010 | | š | — | Latin small letter s with caron |
| 155 | 233 | 0x9B | 10011011 | | › | — | Single right-pointing angle quotation |
| 156 | 234 | 0x9C | 10011100 | | œ | — | Latin small ligature oe |
| 157 | 235 | 0x9D | 10011101 | |  | — | Unused |
| 158 | 236 | 0x9E | 10011110 | | ž | — | Latin small letter z with caron |
| 159 | 237 | 0x9F | 10011111 | | Ÿ | — | Latin capital letter Y with diaeresis |
| 160 | 240 | 0xA0 | 10100000 |   | | Non-breaking space | |
| 161 | 241 | 0xA1 | 10100001 | ¡ | ¡ | ¡ | Inverted exclamation mark |
| 162 | 242 | 0xA2 | 10100010 | ¢ | ¢ | ¢ | Cent sign |
| 163 | 243 | 0xA3 | 10100011 | £ | £ | £ | Pound sign |
| 164 | 244 | 0xA4 | 10100100 | ¤ | ¤ | ¤ | Currency sign |
| 165 | 245 | 0xA5 | 10100101 | ¥ | ¥ | ¥ | Yen sign |
| 166 | 246 | 0xA6 | 10100110 | ¦ | ¦ | ¦ | Broken bar |
| 167 | 247 | 0xA7 | 10100111 | § | § | § | Section sign |
| 168 | 250 | 0xA8 | 10101000 | ¨ | ¨ | ¨ | Diaeresis |
| 169 | 251 | 0xA9 | 10101001 | © | © | © | Copyright sign |
| 170 | 252 | 0xAA | 10101010 | ª | ª | ª | Feminine ordinal indicator |
| 171 | 253 | 0xAB | 10101011 | « | « | « | Left-pointing double angle quotation |
| 172 | 254 | 0xAC | 10101100 | ¬ | ¬ | ¬ | Not sign |
| 173 | 255 | 0xAD | 10101101 | | ­ | ­ | Soft hyphen |
| 174 | 256 | 0xAE | 10101110 | ® | ® | ® | Registered sign |
| 175 | 257 | 0xAF | 10101111 | ¯ | ¯ | ¯ | Macron |
| 176 | 260 | 0xB0 | 10110000 | ° | ° | ° | Degree sign |
| 177 | 261 | 0xB1 | 10110001 | ± | ± | ± | Plus-minus sign |
| 178 | 262 | 0xB2 | 10110010 | ² | ² | ² | Superscript two |
| 179 | 263 | 0xB3 | 10110011 | ³ | ³ | ³ | Superscript three |
| 180 | 264 | 0xB4 | 10110100 | ´ | ´ | ´ | Acute accent |
| 181 | 265 | 0xB5 | 10110101 | µ | µ | µ | Micro sign |
| 182 | 266 | 0xB6 | 10110110 | ¶ | ¶ | ¶ | Pilcrow sign |
| 183 | 267 | 0xB7 | 10110111 | · | · | · | Middle dot |
| 184 | 270 | 0xB8 | 10111000 | ¸ | ¸ | ¸ | Cedilla |
| 185 | 271 | 0xB9 | 10111001 | ¹ | ¹ | ¹ | Superscript one |
| 186 | 272 | 0xBA | 10111010 | º | º | º | Masculine ordinal indicator |
| 187 | 273 | 0xBB | 10111011 | » | » | » | Right-pointing double angle quotation |
| 188 | 274 | 0xBC | 10111100 | ¼ | ¼ | ¼ | Vulgar fraction one quarter |
| 189 | 275 | 0xBD | 10111101 | ½ | ½ | ½ | Vulgar fraction one half |
| 190 | 276 | 0xBE | 10111110 | ¾ | ¾ | ¾ | Vulgar fraction three quarters |
| 191 | 277 | 0xBF | 10111111 | ¿ | ¿ | ¿ | Inverted question mark |
| 192 | 300 | 0xC0 | 11000000 | À | À | À | A with grave |
| 193 | 301 | 0xC1 | 11000001 | Á | Á | Á | A with acute |
| 194 | 302 | 0xC2 | 11000010 | Â | Â | Â | A with circumflex |
| 195 | 303 | 0xC3 | 11000011 | Ã | Ã | Ã | A with tilde |
| 196 | 304 | 0xC4 | 11000100 | Ä | Ä | Ä | A with diaeresis |
| 197 | 305 | 0xC5 | 11000101 | Å | Å | Å | A with ring above |
| 198 | 306 | 0xC6 | 11000110 | Æ | Æ | Æ | Latin capital letter AE |
| 199 | 307 | 0xC7 | 11000111 | Ç | Ç | Ç | C with cedilla |
| 200 | 310 | 0xC8 | 11001000 | È | È | È | E with grave |
| 201 | 311 | 0xC9 | 11001001 | É | É | É | E with acute |
| 202 | 312 | 0xCA | 11001010 | Ê | Ê | Ê | E with circumflex |
| 203 | 313 | 0xCB | 11001011 | Ë | Ë | Ë | E with diaeresis |
| 204 | 314 | 0xCC | 11001100 | Ì | Ì | Ì | I with grave |
| 205 | 315 | 0xCD | 11001101 | Í | Í | Í | I with acute |
| 206 | 316 | 0xCE | 11001110 | Î | Î | Î | I with circumflex |
| 207 | 317 | 0xCF | 11001111 | Ï | Ï | Ï | I with diaeresis |
| 208 | 320 | 0xD0 | 11010000 | Ð | Ð | Ð | Latin capital letter Eth |
| 209 | 321 | 0xD1 | 11010001 | Ñ | Ñ | Ñ | N with tilde |
| 210 | 322 | 0xD2 | 11010010 | Ò | Ò | Ò | O with grave |
| 211 | 323 | 0xD3 | 11010011 | Ó | Ó | Ó | O with acute |
| 212 | 324 | 0xD4 | 11010100 | Ô | Ô | Ô | O with circumflex |
| 213 | 325 | 0xD5 | 11010101 | Õ | Õ | Õ | O with tilde |
| 214 | 326 | 0xD6 | 11010110 | Ö | Ö | Ö | O with diaeresis |
| 215 | 327 | 0xD7 | 11010111 | × | × | × | Multiplication sign |
| 216 | 330 | 0xD8 | 11011000 | Ø | Ø | Ø | O with stroke |
| 217 | 331 | 0xD9 | 11011001 | Ù | Ù | Ù | U with grave |
| 218 | 332 | 0xDA | 11011010 | Ú | Ú | Ú | U with acute |
| 219 | 333 | 0xDB | 11011011 | Û | Û | Û | U with circumflex |
| 220 | 334 | 0xDC | 11011100 | Ü | Ü | Ü | U with diaeresis |
| 221 | 335 | 0xDD | 11011101 | Ý | Ý | Ý | Y with acute |
| 222 | 336 | 0xDE | 11011110 | Þ | Þ | Þ | Latin capital letter Thorn |
| 223 | 337 | 0xDF | 11011111 | ß | ß | ß | Latin small letter sharp s |
| 224 | 340 | 0xE0 | 11100000 | à | à | à | a with grave |
| 225 | 341 | 0xE1 | 11100001 | á | á | á | a with acute |
| 226 | 342 | 0xE2 | 11100010 | â | â | â | a with circumflex |
| 227 | 343 | 0xE3 | 11100011 | ã | ã | ã | a with tilde |
| 228 | 344 | 0xE4 | 11100100 | ä | ä | ä | a with diaeresis |
| 229 | 345 | 0xE5 | 11100101 | å | å | å | a with ring above |
| 230 | 346 | 0xE6 | 11100110 | æ | æ | æ | Latin small letter ae |
| 231 | 347 | 0xE7 | 11100111 | ç | ç | ç | c with cedilla |
| 232 | 350 | 0xE8 | 11101000 | è | è | è | e with grave |
| 233 | 351 | 0xE9 | 11101001 | é | é | é | e with acute |
| 234 | 352 | 0xEA | 11101010 | ê | ê | ê | e with circumflex |
| 235 | 353 | 0xEB | 11101011 | ë | ë | ë | e with diaeresis |
| 236 | 354 | 0xEC | 11101100 | ì | ì | ì | i with grave |
| 237 | 355 | 0xED | 11101101 | í | í | í | i with acute |
| 238 | 356 | 0xEE | 11101110 | î | î | î | i with circumflex |
| 239 | 357 | 0xEF | 11101111 | ï | ï | ï | i with diaeresis |
| 240 | 360 | 0xF0 | 11110000 | ð | ð | ð | Latin small letter eth |
| 241 | 361 | 0xF1 | 11110001 | ñ | ñ | ñ | n with tilde |
| 242 | 362 | 0xF2 | 11110010 | ò | ò | ò | o with grave |
| 243 | 363 | 0xF3 | 11110011 | ó | ó | ó | o with acute |
| 244 | 364 | 0xF4 | 11110100 | ô | ô | ô | o with circumflex |
| 245 | 365 | 0xF5 | 11110101 | õ | õ | õ | o with tilde |
| 246 | 366 | 0xF6 | 11110110 | ö | ö | ö | o with diaeresis |
| 247 | 367 | 0xF7 | 11110111 | ÷ | ÷ | ÷ | Division sign |
| 248 | 370 | 0xF8 | 11111000 | ø | ø | ø | o with stroke |
| 249 | 371 | 0xF9 | 11111001 | ù | ù | ù | u with grave |
| 250 | 372 | 0xFA | 11111010 | ú | ú | ú | u with acute |
| 251 | 373 | 0xFB | 11111011 | û | û | û | u with circumflex |
| 252 | 374 | 0xFC | 11111100 | ü | ü | ü | u with diaeresis |
| 253 | 375 | 0xFD | 11111101 | ý | ý | ý | y with acute |
| 254 | 376 | 0xFE | 11111110 | þ | þ | þ | Latin small letter thorn |
| 255 | 377 | 0xFF | 11111111 | ÿ | ÿ | ÿ | y with diaeresis |