qr
Generate, decode, validate and analyse QR codes — text, URL, Wi-Fi, vCard, email, phone, SMS, geo, calendar, crypto and UPI payloads, all in your browser.
Generatore di codice QRCreate QR codes for text, URLs, Wi-Fi, vCard, email, phone, SMS, geo, calendar, WhatsApp, Telegram, Bitcoin, Ethereum, UPI and JSON, with error correction, quiet zone, colours and PNG/SVG export.Generatore di URL codice QRTurn any link into a scannable QR code, adding https:// when the scheme is missing and warning about unsafe schemes.Generatore di Wi-Fi codice QRBuild a standards-compliant WIFI: payload with SSID, password, WPA/WEP/open encryption and hidden-network flag so phones join the network on scan.Generatore di vCard codice QRGenerate a vCard 3.0 contact QR code with name, organisation, title, phone, email, website, address and note.Generatore di MECARD codice QRBuild a MECARD contact payload — the compact alternative to vCard that fits in a smaller, lower-version QR symbol.Generatore di e-mail codice QRCreate a mailto: QR code with prefilled recipient, subject and body.Generatore di Phone numero codice QRGenerate a tel: URI QR code that opens the dialler with the number already filled in.Generatore di SMS codice QRBuild an sms: URI QR code with a prefilled message body, encoded for both iOS and Android.Generatore di Geo Location codice QRCreate a geo: URI QR code from latitude and longitude, validating the coordinate ranges before encoding.Generatore di Calendar Event codice QRGenerate an iCalendar VEVENT QR code with start, end, title, location and description that phones add straight to the calendar.Generatore di WhatsApp codice QRBuild a wa.me link QR code with an optional prefilled message, normalising the phone number to digits with country code.Generatore di Telegram codice QRCreate a t.me link QR code that opens a Telegram chat or channel.Generatore di Bitcoin Payment codice QRBuild a BIP-21 bitcoin: URI QR code with address, amount, label and message, and check the address shape.Generatore di Ethereum Payment codice QRGenerate an EIP-681 ethereum: URI QR code with address, value and gas limit, validating the 0x + 40 hex format.Generatore di UPI Payment codice QRBuild a upi://pay QR code with payee VPA, name, amount, note and currency, validating the VPA and amount formats.Generatore di JSON codice QRValidate and minify JSON before encoding it, so the payload fits in the smallest possible QR version.Decodificatore di codice QRUpload a PNG, JPG, WebP or GIF and decode the QR code locally with jsQR, then identify the payload type and parse its fields.QR Payload Type DetectorIdentify what a decoded QR payload actually is — URL, Wi-Fi, vCard, MECARD, geo, calendar, email, phone, SMS, Bitcoin, Ethereum, UPI, WhatsApp, Telegram, JSON, XML or plain text — and split it into fields.Validatore di codice QRCheck a payload before you print it: capacity at the chosen error correction level, URL/email/Wi-Fi/vCard/geo/Bitcoin/Ethereum/UPI/JSON format, unsafe schemes and scannability risks.Parser di QR PayloadSplit a raw QR payload into its component fields — Wi-Fi SSID and encryption, vCard name and phone, geo coordinates, URI query parameters.Formattatore di QR PayloadBuild a correct standard payload string from JSON fields, applying the escaping rules each format requires.codice QR Scan TestRender your QR settings and then decode the result locally, comparing it to the original payload, plus quiet zone, contrast, density and capacity checks with a Good / Warning / Risk verdict.