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