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HTML
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Andev Web
QR Code Generator
Paste a url or enter text to create QR code
Generate QR Code
CSS
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@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap'); *{ margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; } body{ display: flex; padding: 0 10px; min-height: 100vh; align-items: center; background: #26C6DA; justify-content: center; } .wrapper{ height: 265px; max-width: 410px; background: #fff; border-radius: 7px; padding: 20px 25px 0; transition: height 0.2s ease; box-shadow: 0 10px 30px rgba(0,0,0,0.1); } .wrapper.active{ height: 530px; } header h1{ font-size: 21px; font-weight: 500; } header p{ margin-top: 5px; color: #575757; font-size: 16px; } .wrapper .form{ margin: 20px 0 25px; } .form :where(input, button){ width: 100%; height: 55px; border: none; outline: none; border-radius: 5px; transition: 0.1s ease; } .form input{ font-size: 18px; padding: 0 17px; border: 1px solid #999; } .form input:focus{ box-shadow: 0 3px 6px rgba(0,0,0,0.13); } .form input::placeholder{ color: #999; } .form button{ color: #fff; cursor: pointer; margin-top: 20px; font-size: 17px; background: #26C6DA; } .qr-code{ opacity: 0; display: flex; padding: 33px 0; border-radius: 5px; align-items: center; pointer-events: none; justify-content: center; border: 1px solid #ccc; } .wrapper.active .qr-code{ opacity: 1; pointer-events: auto; transition: opacity 0.5s 0.05s ease; } .qr-code img{ width: 170px; } @media (max-width: 430px){ .wrapper{ height: 255px; padding: 16px 20px; } .wrapper.active{ height: 510px; } header p{ color: #696969; } .form :where(input, button){ height: 52px; } .qr-code img{ width: 160px; } }
JS
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const wrapper = document.querySelector(".wrapper"), qrInput = wrapper.querySelector(".form input"), generateBtn = wrapper.querySelector(".form button"), qrImg = wrapper.querySelector(".qr-code img"); let preValue; generateBtn.addEventListener("click", () => { let qrValue = qrInput.value.trim(); if(!qrValue || preValue === qrValue) return; preValue = qrValue; generateBtn.innerText = "Generating QR Code..."; qrImg.src = `https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${qrValue}`; qrImg.addEventListener("load", () => { wrapper.classList.add("active"); generateBtn.innerText = "Generate QR Code"; }); }); qrInput.addEventListener("keyup", () => { if(!qrInput.value.trim()) { wrapper.classList.remove("active"); preValue = ""; } });