Created
December 28, 2017 14:02
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Base64 to PDF test page
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
<title>Generate PDF from b64</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1"> | |
</head> | |
<div style="margin: 0 auto; width: 90%; height: 90%; display: block;"> | |
<button onclick="generatePdf();" style="margin: 0 auto; width: 100%; height: 10%;">GO</button> | |
<textarea id="b64Area" style="width: 100%; height: 90%;"></textarea> | |
</div> | |
<script type="text/javascript"> | |
function b64ToBlob(b64Data, contentType, sliceSize) { | |
contentType = contentType || ''; | |
sliceSize = sliceSize || 512; | |
var byteCharacters = atob(b64Data); | |
var byteArrays = []; | |
for (var offset = 0; offset < byteCharacters.length; offset += sliceSize) { | |
var slice = byteCharacters.slice(offset, offset + sliceSize); | |
var byteNumbers = new Array(slice.length); | |
for (var i = 0; i < slice.length; i++) { | |
byteNumbers[i] = slice.charCodeAt(i); | |
} | |
var byteArray = new Uint8Array(byteNumbers); | |
byteArrays.push(byteArray); | |
} | |
var blob = new Blob(byteArrays, {type: contentType}); | |
return blob; | |
}; | |
function generatePdf(){ | |
var inp = document.getElementById('b64Area'); | |
var file = URL.createObjectURL(b64ToBlob(inp.value)); | |
window.open(file); | |
} | |
</script> | |
<style> | |
html, body { | |
height: 100%; | |
} | |
</style> | |
</body> | |
</html> |
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