HTML Unicode (UTF-8) Reference - W3Schools

Unicode is a character set. UTF-8 is encoding. Unicode is a list of characters with unique decimal numbers (code points). A = 65, B = 66, ... 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TheirgoalistoreplacetheexistingcharactersetswithitsstandardUnicode TransformationFormat(UTF). TheUnicodeStandardhasbecomeasuccessandisimplementedin HTML,XML,Java,JavaScript,E-mail,ASP,PHP,etc.TheUnicodestandardisalso supportedinmanyoperatingsystemsandallmodernbrowsers. TheUnicodeConsortiumcooperateswiththeleadingstandardsdevelopment organizations,likeISO,W3C,andECMA. TheUnicodeCharacterSets Unicodecanbeimplementedbydifferentcharactersets.Themostcommonlyused encodingsareUTF-8andUTF-16: Character-set Description UTF-8 AcharacterinUTF8canbefrom1to4byteslong.UTF-8canrepresentanycharacterintheUnicodestandard.UTF-8isbackwardscompatiblewithASCII.UTF-8isthepreferredencodingfore-mailandwebpages UTF-16 16-bitUnicodeTransformationFormatisavariable-lengthcharacterencodingforUnicode,capableofencodingtheentireUnicoderepertoire.UTF-16isusedinmajoroperatingsystemsandenvironments,likeMicrosoftWindows,Javaand.NET. Tip: Thefirst128charactersofUnicode(whichcorrespondone-to-onewithASCII)are encodedusingasingleoctetwiththesamebinaryvalueasASCII,makingvalid ASCIItextvalidUTF-8-encodedUnicodeaswell. HTML4supportsUTF-8.HTML5supports bothUTF-8andUTF-16! TheHTML5Standard:UnicodeUTF-8 BecausethecharactersetsinISO-8859were limitedinsize,andnotcompatibleinmultilingualenvironments,the UnicodeConsortiumdevelopedtheUnicodeStandard. TheUnicodeStandardcovers(almost)allthecharacters,punctuations,andsymbolsinthe world. Unicodeenablesprocessing,storage,and transportoftextindependentofplatformandlanguage. ThedefaultcharacterencodinginHTML-5isUTF-8. IfanHTML5webpageusesadifferentcharactersetthanUTF-8,itshouldbe specifiedinthetaglike: Example TheDifferenceBetweenUnicodeandUTF-8 Unicodeisacharacterset.UTF-8isencoding. Unicodeisalistofcharacterswithuniquedecimalnumbers(codepoints).A= 65,B =66,C=67,.... Thislistofdecimalnumbersrepresentthestring"hello":104101108108111 Encodingishowthesenumbersaretranslatedintobinarynumberstobestored inacomputer: UTF-8encodingwillstore"hello"likethis(binary):011010000110010101101100 01101100 01101111 Encodingtranslatesnumbersintobinary.Character setstranslatescharacterstonumbers. HTML5UTF-8CharacterCodes BelowisalistofsomeoftheUTF-8charactercodessupportedbyHTML5: Charactercodes Decimal Hexadecimal C0ControlsandBasicLatin 0-127 0000-007F C1ControlsandLatin-1Supplement 128-255 0080-00FF LatinExtended-A 256-383 0100-017F LatinExtended-B 384-591 0180-024F SpacingModifiers 688-767 02B0-02FF DiacriticalMarks 768-879 0300-036F GreekandCoptic 880-1023 0370-03FF CyrillicBasic 1024-1279 0400-04FF CyrillicSupplement 1280-1327 0500-052F GeneralPunctuation 8192-8303 2000-206F CurrencySymbols 8352-8399 20A0-20CF LetterlikeSymbols 8448-8527 2100-214F Arrows 8592-8703 2190-21FF MathematicalOperators 8704-8959 2200-22FF BoxDrawings 9472-9599 2500-257F BlockElements 9600-9631 2580-259F GeometricShapes 9632-9727 25A0-25FF MiscellaneousSymbols 9728-9983 2600-26FF Dingbats 9984-10175 2700-27BF ❮Previous Next❯ NEW WejustlaunchedW3Schoolsvideos Explorenow COLORPICKER Getcertifiedbycompletingacoursetoday! w3schoolsCERTIFIED.2022 Getstarted CODEGAME PlayGame