Created
September 7, 2023 15:32
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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>Base64Url Decompress</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/pako/2.1.0/pako.min.js"></script> | |
</head> | |
<body> | |
<pre id="output"></pre> | |
<script> | |
function base64UrlToBase64(base64Url) { | |
let base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/'); | |
const padding = base64.length % 4; | |
if (padding) { | |
base64 += '='.repeat(4 - padding); | |
} | |
return base64; | |
} | |
const encodedData = "YOUR DATA HERE"; // your data here | |
// Convert base64url to standard base64 | |
const base64 = base64UrlToBase64(encodedData); | |
// Base64 decode | |
const base64Decoded = atob(base64); | |
// Convert the base64-decoded data to a Uint8Array | |
const charData = base64Decoded.split('').map(x => x.charCodeAt(0)); | |
const byteArray = new Uint8Array(charData); | |
// Decompress using Pako | |
const decompressed = pako.inflate(byteArray, { to: 'string' }); | |
// Displaying the decompressed data | |
document.getElementById("output").textContent = decompressed; | |
</script> | |
</body> | |
</html> |
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