UndefinedClear-site/dataToImage.html at main · UndefinedClear/UndefinedClear-site · GitHub

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<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <title>Image Viewer</title>
  <style>
    body {
      margin: 0;
      background: #111;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      font-family: sans-serif;
    }
    img {
      max-width: 100%;
      max-height: 100%;
    }
    .msg { color: white; }
  </style>
</head>
<body>
  <div id="app" class="msg">Loading...</div>

  <script>
    const params = new URLSearchParams(location.search);
    const dataUrl = params.get("image");

    const app = document.getElementById("app");

    if (!dataUrl) {
      app.textContent = "No ?image=data:image/... parameter";
    } else if (!dataUrl.startsWith("data:image/")) {
      app.textContent = "Invalid image format";
    } else {
      const img = document.createElement("img");
      img.src = dataUrl;
      img.onload = () => app.replaceWith(img);
      img.onerror = () => app.textContent = "Failed to load image";
    }
  </script>
</body>
</html>