NakulTools-v1/QR-Code-Generator.html at main · nakulsh02/NakulTools-v1 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>QR Code Generator</title>
       <link rel="icon" href="favicon.png">
  <style>
    body {
      font-family: Arial, sans-serif;
      background: #eef8ff;
      margin: 0;
      padding: 20px;
      text-align: center;
    }

    .container {
      max-width: 400px;
      margin: auto;
      background: #fff;
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
    }

    h2 {
      color: #007bff;
    }

    input[type="text"] {
      width: 100%;
      padding: 10px;
      font-size: 16px;
      margin-top: 10px;
      border: 1px solid #ccc;
      border-radius: 10px;
    }

    button {
      margin-top: 15px;
      padding: 10px 20px;
      background-color: #007bff;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 16px;
    }

    button:hover {
      background-color: #0056b3;
    }

    #qrcode {
      margin-top: 20px;
      display: flex;
      justify-content: center;
    }

    #downloadBtn {
      display: none;
      margin-top: 15px;
      background-color: #28a745;
    }

    #downloadBtn:hover {
      background-color: #1e7e34;
    }
  </style>
</head>
<body>
  <div class="container">
    <h2>QR Code Generator</h2>
    <input type="text" id="qrText" placeholder="Enter text or URL" />
    <button onclick="generateQR()">Generate QR</button>
    <div id="qrcode"></div>
    <button id="downloadBtn" onclick="downloadQR()">Download QR</button>
  </div>

  <!-- QRCode.js CDN -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
  <script>
    let qr;

    function generateQR() {
      const text = document.getElementById("qrText").value.trim();
      const qrContainer = document.getElementById("qrcode");
      const downloadBtn = document.getElementById("downloadBtn");
      qrContainer.innerHTML = "";
      downloadBtn.style.display = "none";

      if (text === "") {
        alert("Please enter some text.");
        return;
      }

      qr = new QRCode(qrContainer, {
        text: text,
        width: 200,
        height: 200,
        colorDark: "#000000",
        colorLight: "#ffffff",
        correctLevel: QRCode.CorrectLevel.H
      });

      setTimeout(() => {
        downloadBtn.style.display = "inline-block";
      }, 500); // wait to ensure canvas is rendered
    }

    function downloadQR() {
      const img = document.querySelector("#qrcode img") || document.querySelector("#qrcode canvas");
      if (!img) return;

      const link = document.createElement("a");
      link.href = img.src || img.toDataURL("image/png");
      link.download = "qr-code.png";
      link.click();
    }
  </script>
</body>
</html>