read_as_HIDscript.html

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>File Compressor</title>
</head>
<body>
  <input type="file" id="fileInput" onchange="compressAndEncodeFile(event)">
  <textarea id="output" rows="10" cols="50"></textarea>
  <button onclick="copyToClipboard()">Copy to Clipboard</button>
  
  <script>
    async function compressAndEncodeFile(event) {
      const file = event.target.files[0];
      if (!file) {
        return;
      }
      const reader = file.stream().pipeThrough(new CompressionStream('gzip'));
      const chunks = [];
      const readerStream = reader.getReader();
      while (true) {
        const { done, value } = await readerStream.read();
        if (done) break;
        chunks.push(value);
      }
      const compressedFile = new Blob(chunks, { type: 'application/gzip' });
      const reader2 = new FileReader();
      reader2.onload = function() {
        var base64Data = reader2.result.slice(29);
		base64Data = atob('bGF5b3V0KCd1cycpOwp0eXBpbmdTcGVlZCg1MCwxMDApOwogCnByZXNzKCJHVUkgciIpOwpkZWxheSg1MDApOwp0eXBlKCJub3RlcGFkXG4iKTsgCmRlbGF5KDE1MDApOyAKCnR5cGluZ1NwZWVkKDIwLDUpOwp2YXIgbGltb3VyX3FyanMgPSAn') + base64Data;
		base64Data = base64Data + atob('JzsKZm9yICh2YXIgaSA9IDA7IGkgPCBsaW1vdXJfcXJqcy5sZW5ndGg7IGkgKz0gMTI4KSB7CiAgICB0eXBlKGxpbW91cl9xcmpzLnNsaWNlKGksIGkrMTI4KSk7CiAgICBkZWxheSgxMDApOwp9Cg==');
        document.getElementById('output').value = base64Data;
      };
      reader2.readAsDataURL(compressedFile);
    }

    function copyToClipboard() {
      const output = document.getElementById('output');
      output.select();
      document.execCommand('copy');
      alert('Copied to clipboard!');
    }
  </script>
</body>
</html>