QR Code and 2D Code Generator - Kerem Erkan

This page is an online two dimensional code generator which is written in PHP. It can generate QR Code, Data Matrix, Aztec Code and Micro QR Code. Skiptocontent ThispageisanonlinetwodimensionalcodegeneratorwhichiswritteninPHP.ItcangenerateQRCode,DataMatrix,AztecCodeandMicroQRCode. Usingtheformonthispage,youcancreatetwodimensionalcodeimagesthattriggervariousactionsonthescannerdevice.Don’tforgettoinstallQrafterorQrafterPro(whytwoversions?)toscanandgenerateQRCodesifyouhaveaniPhoneoriPad.Sofar,thispagecreated4,487,605codessinceIstartedcountinginJanuary,2010. PleasebesuretoreadtheNotesandFAQsectionsbelowbeforerequestinghelpinthecommentsifyouencounteranyproblemswithcodegeneration(EspeciallyforMicroQRCodesorbackslashcharactersyoumayencounteronsomecodes!). Thispageisverypopularandbecauseofthat,itgetsanincredibleamountofcommentspam.SometimeslegitimatecommentscangetcaughtasspamandIcanmissthem,soifyourcommentdoesnotappearaftersometime,youcancontactmefromtheemailaddressonmycontactpage. READTHISFIRST: Iamgettingmanyquestionsaboutscanningthecodescreatedonthisgenerator.Mostofthemareaboutsomeproblemwiththescannernotdetectingthecontentofthecodeproperly.ThisgeneratorfollowsestablishedstandardsstrictlyandmostscannerappsexceptQrafterandQrafterProforiOSdon’tfollowthosestandardscompletely.So,ifyousomehowendupwithanunexpectedresultafterscanningacode,itisbecausethatyourscannerwasdevelopedlousily.IfyouareoniOS,useQrafterorQrafterProforguaranteedstandardscompatibility.Forotherplatforms,pleasecontactthedevelopersofyourscannerapptotellthemtostartfollowingthestandardsthatwereestablishedforareason. SelectaCodeAction: BrowsetoaWebsite BookmarkaWebsite MakeaPhoneCall SendanSMS SendanE-Mail CreateavCard CreateameCard CreateavCalendarEvent iTunesAppURL AndroidMarketAppURL AndroidMarketSearchURL FoursquareVenueURL YoutubeURLforiOS EncodeLatestTweetofaUser TweetonTwitter WIFINetwork FreeFormattedText CodeType: QRCode(recommended)DataMatrix(onlyASCIIchars)AztecCode(onlyASCIIchars)MicroQRCode(onlyASCIIchars) BookmarkTitle:* WebSiteURL:* PhoneNumber:* SMSMessage: MailRecipient:* Subject: Body: EscapeSpecialCharacters(likecolon,semicolonorcomma): YesNoIMPORTANT:PleasechecknotesonescapinginNotessection. Version: 2.13.0 vCardType: RealPersonCompany FirstName: MiddleName: LastName: Organization: Title: E-MailAddress: MobilePhone: VideoCallPhone: WorkPhone: WorkFax: HomePhone: WorkAddress: Street: City: State: ZIPCode: Country: HomeAddress: Street: City: State: ZIPCode: Country: Address: Street: City: State: ZIPCode: Country: WorkWebAddress: HomeWebAddress: WebAddress: Birthday: Day 01020304050607080910111213141516171819202122232425262728293031 Month JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember Year 20212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999199819971996199519941993199219911990198919881987198619851984198319821981198019791978197719761975197419731972197119701969196819671966196519641963196219611960195919581957195619551954195319521951195019491948194719461945194419431942194119401939193819371936193519341933193219311930192919281927192619251924192319221921 EventFormat: FullyComplianttoiCalendarStandardComplianttoZXingProposal EventSummary:* EventDescription: FullDayEvent: Yes(Onlyusesstartdateandenddate)No(Alsousesstarttimeandendtime) StartDate: 01020304050607080910111213141516171819202122232425262728293031 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 20212022202320242025 StartTime: 000102030405060708091011121314151617181920212223 000510152025303540455055 EndDate: 01020304050607080910111213141516171819202122232425262728293031 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 20212022202320242025 EndTime: 000102030405060708091011121314151617181920212223 000510152025303540455055 Text:* NOTE:GoogleMapswillbeusedtoselectthecoordinates,buttheresultingurlwillbeaBingMapsURL. LocationName:   TwitterUser:*  Prependusernamebeforetweet TwitterUser:* TexttoTweet:* SearchType: PublisherSearchExactPackageName MarketSearch:* PackageName:* YoutubeVideoID:*  EntereitheronlytheYouTubevideoIDorfullURLforthevideo. iTunesAppID:*  EntereitheronlytheAppIDorfullURLfortheapponiTunes. VenueID:*  EntereitheronlythevenueIDorfullURLforthevenue. FacebookStatus:* BBMPin:* SSID:* Password: NetworkType: WPA/WPA2 WEP Noencryption URLShortening:(willusefullurlincaseoferror) None j.mp bit.ly is.gd TinyURL ErrorCorrectionLevel:(onlyforQRCode) Low Medium-Low Medium-High High BlockSizeinPixels: 5 10 15 20 30 40 50 MarginSizeinBlocks: 1 2 3 4 5 6 7 8 9 10 OutputType: PortableNetworkGraphics(PNG) PortableDocumentFormat(PDF) TaggedImageFileFormat(TIFF) ScalableVectorGraphics,B&Wonly(SVG) EncapsulatedPostscript,B&Wonly(EPS) ForegroundColor:    Transparent BackgroundColor:    Transparent Notes: YoucanfollowmeorQrafteronTwitter. QRCodeisfarmorewidespreadthanDataMatrix,AztecCodeorMicroQRCode.ActuallyMicroQRCodeisrarelyusedandisonlygivenhereasatechnologypreview.Ifyouwanttocreateacampaignforyourproductsusinga2DCode,makesurethatyouareusingQRCodes,nottheothertypes. DataMatrixandAztecCodehavesignificantlylowercapacity(4096alphanumericcharactersforQRCode,3067forAztecCodeand2335forDataMatrix),soifyouwouldliketoencodealotoftext,selectQRCode. TocreatethebestreadablecodeforlongURLs,useoneoftheURLshorteningservicessothattheresultingcodeisassmallaspossible.Ipersonallypreferbit.lyovertheothers. MicroQRCodecannotholdmorethan35numericand21uppercasealphanumericcharacters,anditcanholdevenlesscharacterswhenyouuselowercasecharacters.WhenencodingaURLintoaMicroQRCode,tryusingalluppercasecharactersforlongerURLs.Idon’tknowofascannerthatsupportsMicroQRCodethough. Ifyourinputcannotbeencoded,thegeneratorwillgiveawarning.Inthatcase,lowerthecharactercountinyourinputandtryagain. Ifyourdevicecannotinterprettheencoded2DCodeproperly,itprobablymeansyourscannerprogramiswrittenpoorlyordoesnothavethecapabilityofdecodingthatparticularcodeformat;oryourdevicedoesnotacceptthataction,becauseallcodescreatedbythisscriptandthecontentwithinthemarecomplianttoallnecessarypublishedstandards(vCardstandards,URLencodingschemes,NTTDoCoMostandards,etc.). Whilewearetalkingonstandards,letmeopenthetopicupalittlebitmore.Sadlymostscannersouttheredonotfollowspecialcharacterescapingstandards.Characterslike“:”or“;”arespecialcharactersinvCard,meCardorvEventspecifications,andtheyshouldbeproperlyescapedfortheinputtobeinterpretedcorrectly.Thisgeneratorfollowsthesestandardscorrectly,andsoaURLfieldlike“http://example.com”becomes“http\://example.com”afterescaping.Theproblemis,somescannersdonotknowhowtohandlethisescapedcharacterandbreakaltogether.Ifyouencountersuchproblem,selectNoforEscapeSpecialCharactersinvCard,meCardorvEventcreation.ButwhileyouwillbeabletoreadthoseQRCodesinbrokenscanners,beawarethat,your2DCodewillnotbestandardscompliantandyoumaynotbeabletoaddaURLthatincludesasecondcolon(forexampleasaportnumberseparator)orsemicolonwhenyoudothat.IfyouareoniPhoneoriPad,IstronglysuggestthatyouditchyourbrokenscanneranddownloadQrafterorQrafterPro.Theyarefullycomplianttosaidstandards.Thisway,Ihopethatdeveloperswillbeforcedtocreatescannersthatobeystandardsthatwereestablishedforareason. DataMatrix,AztecCodeandMicroQRCodedonotsupportcharactersotherthanASCIIbecauseoftheirspec,soifyourinputhasinternationalcharacters,alwaysuseQRCode.AnothercaveatofMicroQRCodeisthat,itisnotsupportedbymostofthescannerprogramsoutthere.AsforKanjiandCyrilliccharacters,again,onlyQRCodeshouldsupportthem. Alwaysusedarkcolorsforforegroundcolorandlightcolorsforbackgroundcolor.Ifthereisnotenoughcontrastbetweenforegroundandbackgroundcolors,yourdevicewillmostprobablyfailtodecodethecode.Anotherwarning:TheEPSversionIhadtousedoesnotsupporttransparency,soyoushoulduseanotherformatifyouaregoingtohavetransparentforegroundorbackgroundinyourcodes. TwitterProfileImageOverlayoptionoverlaysyourTwitterprofileimageontoacodethatincludesyourTwitterprofileURL.Imagescreatedwiththisoptionwillbehaveveryoddlywithvectorimageformats.Youhavebeenwarned!🙂 Currentlyyoucandothefollowingactionswith2Dcodesgeneratedwiththisform: Youcanbrowsetoawebsite.Youcanbookmarkawebsite.Youcanmakeaphonecall.Youcansendashortmessage.Youcansendane-mail.YoucancreateavCard(v2.1orv3.0)withcoordinatestoaddacontacttoyourdevice.YoucancreateameCardtoaddacontacttoyourdevice.YoucancreateavCalendareventtoaddtoyourcalendar.YoucancreateiTunesappandreviewURLsforiOSdevices.Youcancreatemarket://URLsforsearchingforpublishersorpackagesonMarketappforAndroid.YoucancreateFoursquarevenueURLs.Youcancreatespecialyoutube://URLsforYouTubeapponiOS.YoucanfetchandencodethelatesttweetofaTwitteruser.YoucanoverlayaTwitterprofileimageoverthecode.YoucancreateamobileURLtotweetonTwitter.YoucanconnecttoaWIFInetworkonAndroiddevices.Youcanreadplainorfreeformattedtextonyourdevice. Youcanchangetheblocksizeofthegeneratedimagetomakeitbiggerorsmaller.Also,youcanchangethemarginsizeoftheimagetoaddmorequietzoneifyourdecodercannotdecodeit(EspeciallyDataMatrixseemstoneedbiggermarginsizes).ErrorcorrectionlevelforQRCode(ignoredforothercodetypes)canbesetto4differentvaluesandhighervaluesmaycausetheimagetobedecodedslightlyslower.The4valuescanbeexplainedlikethis: Low(L):Upto7%oferrorscanbecorrected.Medium-Low(M):Upto15%oferrorscanbecorrected.Medium-High(Q):Upto25%oferrorscanbecorrected.High(H):Upto30%oferrorscanbecorrected. YoucanchoosePNG,PDF,SVGorEPSoutputs.SVGwilloutputavectorimageXMLfile,andyoucanedititinapplicationslikeAdobeIllustratororInkscape. PleasebeawarethatwhileImakechecksforillegalcharacterstoprotectmyserver,Idonotcheckyourinputforameaningfulvalue. Theimagegenerationisdoneusingthirdpartyencoders.IhaveonlywrittenahandyPHPfrontendthatformatsyourinputandpassesittotheseencoders. AnoteaboutprintingfromRoy,afellowuserofthisgenerator:Whencodesaregenerated,theyarecreatedinRGB(mynote:yeseveniftheyareblackandwhite,theyareinRGBcolorspace)andiftheyareusedinprinting,theyshouldbeconvertedtograyscaleorCMYKsothat,whenprinted,onlytheblackplateisused.Thisensuresthehighestedgeresolution,particularlyinsmallersizes. QRCodeScanners: ThebestscannerappsforiPhoneandiPadareQrafterandQrafterPro.TheyareavailableontheAppStore.TheyaredesignedforbothiPhoneandiPadandQrafterisfreewithadvertisements,whileQrafterProispaidwithnoadvertisements.Theyareabletounderstandallactionsonthisgenerator(andmore)andarethemostadvancedscannersforQRCodesoniPhoneandiPad. ForAndroid,thebestoptionseemstobetheBarcodeScannerappfromZXing. ForNokiaMaemo/Meego,youcanuseMbarcodeaccordingtoRyks,anothercommenter. Forotherdevices,youmayfindone,suitableforyourdevicefromKaywaorQuickMark. QRCodeisaregisteredtrademarkofDENSOWAVEINCORPORATEDintheUnitedStatesandothercountries. QrafterisaregisteredtrademarkofKeremErkanintheUnitedStates,EuropeanUnionandothercountries. FAQ: Hereisanupdatinglistoffrequentlyaskedquestions. Q:CanIchangethecontentofacodeIcreatedifIfindamistake?A:Thecodesgeneratedonthisgeneratorarestandalone,whichmeanstheyhavenoconnectiontothisgeneratorafterbeinggenerated.Thisalsomeanstheyincludethecontentdirectlyinsidethem,andifthecontentneedstochange,thegeneratedcodeimagewillchange.Pleasetestyourcodeimageswithasmanydevicesandscannerappsaspossibletoavoidanyproblemsafterprintingthecodes. Q:WhydoIgetunwantedcharacterslikeabackslash(\)orsemicolon(;)intheresultwhenIscanaQRCode?A:YouareusingaQRCodereaderthatcannotparsethecontentsofQRCodescorrectly.ManyreadersareespeciallyweakatparsingvCards.UseaproperappfromtheQRCodeScannerslistonthispage. Q:DoyouharvesttheinformationIenterintothisform?A:No,Idon’tusetheinformationyouentertothisforminanymeans.Afteryoucreateyour2DCode,theinformationisremovedfrommyserver. Q:CanItrackthescaninformationforthe2DCodesIcreateonthisgenerator?A:Youcan’ttrackthe2DCodesyoucreateonthisgeneratorunlessyoucreateyourowntrackableURL(forexampleabit.lyURL)andthenenterthatURLtogenerateaQRCodeforitonthispage. Q:Dothe2Dcodesthatwerecreatedonthisgeneratorhaveanexpirationdate?A:No,allcodesgeneratedonthisgeneratorcanbeusedaslongasyouwant. Q:CanIusethecodesIcreateonthisgeneratorcommercially?DoIneedtopayanyfees?A:Youcanusethecodescreatedonthisgeneratorbothcommerciallyandpersonally.Therearenofeestopay.TheonlyfavorIaskbackisthepromotionofQrafterorQrafterProonyoursiteasyourrecommendedreaderappforiOSdevices.Butitisonlyarequest,youarenotobligedtodothat.🙂 Q:WhatistheminimumsizeforaQRCodesothatitcanbescannedwithalldevices?A:Theanswertothisquestioncannotbegivenwithexactproportions.NewdeviceswithautofocuscamerascanscanverysmallQRCodes,butolddevicesthatdon’thaveautofocuscameraswillhaveproblemswithscanningcodessmallerthanoneortwoinches.AlsoitdependsonthesizeoftheinformationthatyouputintotheQRCode.YouneedtotestyourQRCodewithmanydevices,oldandnewtofindthebestcompromise. Q:CanIoverlayanimageontopoftheQRCodeliketheonein“TwitterProfileImageOverlay”actionofthisgenerator?A:Yesyoucan.CreateaQRCodewithhighesterrorcorrectionandselectavectoroutput.Thisway,usingyourpreferredimageeditor,youcanoverlayanimagethat’supto30%oftheQRCode.Becarefulnottooverlaytheimageontopofthe3alignmentsquaresthough. Sharethis:ClicktoshareonTwitter(Opensinnewwindow)ClicktoshareonReddit(Opensinnewwindow)ClicktoshareonLinkedIn(Opensinnewwindow)ClicktoshareonFacebook(Opensinnewwindow)ClicktoshareonTumblr(Opensinnewwindow)ClicktoshareonPocket(Opensinnewwindow)Clicktoemailthistoafriend(Opensinnewwindow) 1,108thoughtson“QRCodeand2DCodeGenerator” NewerComments OlderComments HelloKerem- Thanksforbuildingthiswonderfulapp.Quickquestiononthecallbacklogic. WhenIusetheURLbelowtocreateacode,itopensuptheWifioptionscreen.Iamtryingtosendinafreetextvalue.IsthereawaytosetthecodeactionintheURL? qrafter://x-callback-url/create?content=test Thanks! VB Reply Hi,that’sabuganditshouldopenthefreetextscreeninsteadofthewifiscreen.I’llfixitinthenextversion.Thanksfortheheadsup! Reply Justforclarity,afteryourfix,willIbeabletosendinafreetextparaminarequestfromanotherappandreceivetheQRimageoutputinthecallbackasabase64text? Thanks, VB Reply Well,unfortunatelyno.Thisonlyinitiatesthecreatescreen.Ineverimplementedthereturnoftheimageback.I’llneedtothinkabouthowtodothat.X-callbackreturnisusedwhenyouscanacodenotcreateacode. Reply Thanksforclarifyingthat!Lookingforwardtothenextupdate. Appreciatethegreatwork! Thanks, VB Reply Thankyouforthekindwords😊 Reply IthinkIfoundthispagebackwhenitwasbrandnew,IhaveQRcodesonmybusinesscardsfrombackthenthatstillworktothisday. Thankyousomuchformaintainingthisandkeepingitfree!Itisaninvaluabletool,andIrecommendittoallofmycustomerswhoneedQRcodes. Reply Thankyouforyourkindwords.Gladtoseethatitstillprovesuseful😊 Reply Stillthebestcodegeneratoriknow…usingitsinceyears.ThankYou! Reply Thankyou!😊 Reply I’vebeenauserofQrafterwiththeProPacksince2011andthenow-defunctvCardGetter.I’veneverhadissuesexceptfortheearlydayswhenIhadi-nigmaanditwouldreadcodesQraftercouldn’t(stoppedusingi-nigmabeforetheendofthatyear).Qrafterworksflawlesslyforme,awonderful,solidApp!Messingaroundtoday,asunfortunately,AppsarestartingtonotbesupportedonmyiPhone6,InoticedQrafterProshowupontheAppStorewithapricenexttoitandQraftershowasopen.IfIdoinvestinanewphone,thoughhighlyunlikelyatthisstage,howwillImaintaintheProversionviatheProPackorwillIneedacodetogettheofficialProversion? Reply HiMark,thankyouforusingQrafter.IfyougetanewphoneanddownloadQrafteragain,youcaneasilyrestoreProPackfromthehelpscreenusingyourAppleID.Youwillnotneedtopayagain. Reply Great!Thanksforlettingmeknow,mymindisatrestnow🙂 Reply Hi! I’vebeenusingyourqrcodegeneratorsince…years.🙂 Whereisitnow?Isitdiscontinued? Reply Hi,whileupdatingsomeelements,itlookslikeIbrokethegeneratorpage.Fixednow,thanksforyourattention.🙂 Reply *mypharmacyusesAztecCode *amazonlockerusesAztecCode *thetrainshereuseAztecCode PleaseaddmorecontrollingoptionstogenerateAztecCodehere Reply PleasehelpupdateZXingonandroidwith/better/recognitionofAztecCode.It’sgoodbutcouldalwaysbefasterorbetter Reply NewerComments OlderComments LeaveaReplyCancelreplyYouremailaddresswillnotbepublished.Requiredfieldsaremarked*CommentName* Email* Website Notifymeofnewpostsbyemail. Δ SendtoEmailAddress YourName YourEmailAddress Cancel Postwasnotsent-checkyouremailaddresses! Emailcheckfailed,pleasetryagain Sorry,yourblogcannotsharepostsbyemail.