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.
Gerador de código 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.Gerador de URL código QRTurn any link into a scannable QR code, adding https:// when the scheme is missing and warning about unsafe schemes.Gerador de Wi-Fi código QRBuild a standards-compliant WIFI: payload with SSID, password, WPA/WEP/open encryption and hidden-network flag so phones join the network on scan.Gerador de vCard código QRGenerate a vCard 3.0 contact QR code with name, organisation, title, phone, email, website, address and note.Gerador de MECARD código QRBuild a MECARD contact payload — the compact alternative to vCard that fits in a smaller, lower-version QR symbol.Gerador de e-mail código QRCreate a mailto: QR code with prefilled recipient, subject and body.Gerador de Phone número código QRGenerate a tel: URI QR code that opens the dialler with the number already filled in.Gerador de SMS código QRBuild an sms: URI QR code with a prefilled message body, encoded for both iOS and Android.Gerador de Geo Location código QRCreate a geo: URI QR code from latitude and longitude, validating the coordinate ranges before encoding.Gerador de Calendar Event código QRGenerate an iCalendar VEVENT QR code with start, end, title, location and description that phones add straight to the calendar.Gerador de WhatsApp código QRBuild a wa.me link QR code with an optional prefilled message, normalising the phone number to digits with country code.Gerador de Telegram código QRCreate a t.me link QR code that opens a Telegram chat or channel.Gerador de Bitcoin Payment código QRBuild a BIP-21 bitcoin: URI QR code with address, amount, label and message, and check the address shape.Gerador de Ethereum Payment código QRGenerate an EIP-681 ethereum: URI QR code with address, value and gas limit, validating the 0x + 40 hex format.Gerador de UPI Payment código QRBuild a upi://pay QR code with payee VPA, name, amount, note and currency, validating the VPA and amount formats.Gerador de JSON código QRValidate and minify JSON before encoding it, so the payload fits in the smallest possible QR version.Decodificador de código 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.Validador de código 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.Analisador de QR PayloadSplit a raw QR payload into its component fields — Wi-Fi SSID and encryption, vCard name and phone, geo coordinates, URI query parameters.Formatador de QR PayloadBuild a correct standard payload string from JSON fields, applying the escaping rules each format requires.código 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.