One-File-Tools/tools/screen-resolution-tester.html at main · praveenscience/One-File-Tools · 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" />
    <meta name="description" content="Test your website at different screen resolutions." />
    <title>Screen Resolution Tester — One File Tools</title>
    <style>
      *,
      *::before,
      *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
      }
      :root {
        --bg: #fafafa;
        --surface: #f1f5f9;
        --text: #1a1a1a;
        --muted: #64748b;
        --border: #e2e8f0;
        --accent: #2563eb;
        --radius: 8px;
      }
      @media (prefers-color-scheme: dark) {
        :root {
          --bg: #0a0a0a;
          --surface: #1a1a1a;
          --text: #e5e5e5;
          --muted: #94a3b8;
          --border: #334155;
          --accent: #3b82f6;
        }
      }
      body {
        font-family: system-ui, sans-serif;
        line-height: 1.6;
        background: var(--bg);
        color: var(--text);
        min-height: 100vh;
      }
      .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 2rem;
      }
      header {
        text-align: center;
        margin-bottom: 2rem;
      }
      header h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
      }
      header p {
        color: var(--muted);
      }
      .card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 1.5rem;
        margin-bottom: 1.5rem;
        overflow: hidden;
      }
      .card-header {
        font-weight: 600;
        margin-bottom: 1rem;
        color: var(--text);
      }
      .current-info {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
        text-align: center;
        margin-bottom: 1.5rem;
      }
      .info-item {
        background: var(--bg);
        padding: 1rem;
        border-radius: var(--radius);
        overflow: hidden;
      }
      .info-value {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--accent);
        overflow-wrap: break-word;
      }
      .info-label {
        font-size: 0.75rem;
        color: var(--muted);
        text-transform: uppercase;
      }
      .presets {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1rem;
      }
      .preset {
        padding: 0.5rem 1rem;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        background: var(--bg);
        color: var(--text);
        cursor: pointer;
        font-size: 0.875rem;
      }
      .preset:hover {
        border-color: var(--accent);
      }
      .preset.active {
        background: var(--accent);
        color: white;
        border-color: var(--accent);
      }
      .viewport-wrap {
        max-width: 100%;
        max-height: 70vh;
        overflow: auto;
        border-radius: var(--radius);
        background: var(--bg);
      }
      .viewport {
        border: 2px solid var(--accent);
        border-radius: var(--radius);
        overflow: hidden;
        position: relative;
        transition: all 0.3s;
      }
      .viewport iframe {
        width: 100%;
        height: 500px;
        border: none;
        background: white;
        display: block;
      }
      .viewport-bar {
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        background: var(--accent);
        color: white;
        padding: 0.5rem;
        font-size: 0.75rem;
        text-align: center;
        white-space: nowrap;
        z-index: 1;
      }
      footer {
        text-align: center;
        padding: 2rem;
        color: var(--muted);
        font-size: 0.875rem;
      }
      footer a {
        color: var(--accent);
        text-decoration: none;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <header>
        <h1>📱 Screen Resolution Tester</h1>
        <p>Test your website at different screen sizes</p>
      </header>

      <div class="card">
        <div class="card-header">Your Current Screen</div>
        <div class="current-info">
          <div class="info-item">
            <div class="info-value" id="screenWidth">-</div>
            <div class="info-label">Screen Width</div>
          </div>
          <div class="info-item">
            <div class="info-value" id="screenHeight">-</div>
            <div class="info-label">Screen Height</div>
          </div>
          <div class="info-item">
            <div class="info-value" id="windowWidth">-</div>
            <div class="info-label">Window Width</div>
          </div>
          <div class="info-item">
            <div class="info-value" id="windowHeight">-</div>
            <div class="info-label">Window Height</div>
          </div>
          <div class="info-item">
            <div class="info-value" id="devicePixelRatio">-</div>
            <div class="info-label">Pixel Ratio</div>
          </div>
        </div>
      </div>

      <div class="card">
        <div class="card-header">Quick Presets</div>
        <div class="presets">
          <button class="preset" data-w="375" data-h="667">iPhone SE</button>
          <button class="preset" data-w="390" data-h="844">iPhone 12</button>
          <button class="preset" data-w="414" data-h="896">iPhone 11</button>
          <button class="preset" data-w="768" data-h="1024">iPad</button>
          <button class="preset" data-w="1024" data-h="768">iPad Landscape</button>
          <button class="preset" data-w="1280" data-h="720">HD</button>
          <button class="preset" data-w="1366" data-h="768">Laptop</button>
          <button class="preset" data-w="1920" data-h="1080">Full HD</button>
          <button class="preset" data-w="2560" data-h="1440">2K</button>
          <button class="preset" data-w="3840" data-h="2160">4K</button>
        </div>
        <div style="display: flex; gap: 1rem; margin-bottom: 1rem">
          <div style="flex: 1">
            <label style="font-size: 0.75rem; color: var(--muted)">Width</label>
            <input type="number" id="customWidth" value="1280" style="width: 100%; padding: 0.5rem; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--text)" />
          </div>
          <div style="flex: 1">
            <label style="font-size: 0.75rem; color: var(--muted)">Height</label>
            <input type="number" id="customHeight" value="720" style="width: 100%; padding: 0.5rem; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--text)" />
          </div>
          <button id="applyBtn" style="align-self: flex-end; padding: 0.5rem 1rem; background: var(--accent); color: white; border: none; border-radius: 4px; cursor: pointer">Apply</button>
        </div>
        <div class="viewport-wrap">
          <div class="viewport" id="viewport">
            <div class="viewport-bar" id="viewportBar">1280 x 720</div>
            <iframe id="iframe" src="about:blank"></iframe>
          </div>
        </div>
      </div>
    </div>

    <footer>
      <p>Part of <a href="https://github.com/praveenscience/One-File-Tools">One File Tools</a></p>
    </footer>

    <script>
      var screenWidth = document.getElementById("screenWidth");
      var screenHeight = document.getElementById("screenHeight");
      var windowWidth = document.getElementById("windowWidth");
      var windowHeight = document.getElementById("windowHeight");
      var devicePixelRatio = document.getElementById("devicePixelRatio");
      var viewport = document.getElementById("viewport");
      var viewportBar = document.getElementById("viewportBar");
      var iframe = document.getElementById("iframe");
      var customWidth = document.getElementById("customWidth");
      var customHeight = document.getElementById("customHeight");
      var applyBtn = document.getElementById("applyBtn");

      var lastUrl = "https://example.com";

      function updateInfo() {
        screenWidth.textContent = screen.width;
        screenHeight.textContent = screen.height;
        windowWidth.textContent = window.innerWidth;
        windowHeight.textContent = window.innerHeight;
        devicePixelRatio.textContent = window.devicePixelRatio;
      }

      function setViewport(w, h) {
        viewport.style.width = w + "px";
        viewport.style.height = h + 30 + "px";
        iframe.style.height = h + "px";
        viewportBar.textContent = w + " x " + h;
        customWidth.value = w;
        customHeight.value = h;

        document.querySelectorAll(".preset").forEach(function (btn) {
          btn.classList.toggle("active", parseInt(btn.dataset.w) === w && parseInt(btn.dataset.h) === h);
        });
      }

      function promptUrl() {
        var url = prompt("Enter URL to test:", lastUrl);
        if (url) {
          if (!url.match(/^https?:\/\//)) url = "https://" + url;
          lastUrl = url;
          iframe.src = url;
        }
      }

      document.querySelectorAll(".preset").forEach(function (btn) {
        btn.onclick = function () {
          setViewport(parseInt(btn.dataset.w), parseInt(btn.dataset.h));
        };
      });

      applyBtn.onclick = function () {
        setViewport(parseInt(customWidth.value), parseInt(customHeight.value));
      };

      viewport.onclick = promptUrl;

      window.addEventListener("resize", updateInfo);
      updateInfo();
      setViewport(1280, 720);
    </script>
  </body>
</html>