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OleksandrAndriienkoOleksandrAndriienko
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Aspose.PDF for JavaScript via C++ 25.5
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‎AsposePDFforJS.js‎

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‎AsposePDFforJS.wasm.zip‎

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‎example.html‎

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@@ -284,6 +284,14 @@ <h2>Aspose.PDF for JavaScript via C++</h2>
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<label for="fileDeleteBlankPages">DEL BLANK PAGES<span class="tooltip">Delete blank pages from a PDF-file</span></label>
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<input type="file" id="fileDeleteBlankPages" accept="application/pdf" onchange="ffileDeleteBlankPages(event)">
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</div>
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<div class="column">
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<label for="fileEmbedFonts">EMBED FONTS<span class="tooltip">Embed fonts a PDF-file</span></label>
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<input type="file" id="fileEmbedFonts" accept="application/pdf" onchange="ffileEmbedFonts(event)">
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</div>
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<div class="column">
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<label for="fileUnembedFonts">UNEMBED FONTS<span class="tooltip">Unembed fonts a PDF-file</span></label>
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<input type="file" id="fileUnembedFonts" accept="application/pdf" onchange="ffileUnembedFonts(event)">
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</div>
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</div>
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</div>
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file_reader.readAsArrayBuffer(e.target.files[0]);
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}
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var ffileEmbedFonts = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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const json = AsposePdfEmbedFonts(event.target.result, e.target.files[0].name, "ResultEmbedFonts.pdf");
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if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
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else document.getElementById('output').textContent = json.errorText;
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DownloadFile(json.fileNameResult, "application/pdf");
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}
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file_reader.readAsArrayBuffer(e.target.files[0]);
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}
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var ffileUnembedFonts = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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const json = AsposePdfUnembedFonts(event.target.result, e.target.files[0].name, "ResultUnembedFonts.pdf");
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if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
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else document.getElementById('output').textContent = json.errorText;
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DownloadFile(json.fileNameResult, "application/pdf");
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}
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file_reader.readAsArrayBuffer(e.target.files[0]);
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}
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</script>
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<script>

‎example_worker.html‎

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<option value="AsposePdfMakeBooklet">Make booklet from a PDF-file</option>
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<option value="AsposePdfMakeNUp">Make N-Up document from a PDF-file</option>
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<option value="AsposePdfDeleteBlankPages">Delete blank pages from a PDF-file</option>
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<option value="AsposePdfEmbedFonts">Embed fonts a PDF-file</option>
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<option value="AsposePdfUnembedFonts">Unembed fonts a PDF-file</option>
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<optgroup label="Metadata PDF">
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<option value="AsposePdfSetInfo">Set info (metadata) in a PDF-file</option>
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// AsposePdfFromTxt, AsposePdfAddAttachment, AsposePdfReplaceText, AsposePdfFromImage,
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// AsposePdfReplaceFont, AsposePdfDeleteHiddenText, AsposePdfAddWatermark, AsposePdfDeleteWatermarks,
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// AsposePdfMergeLayers, AsposePdfFlatten, AsposePdfReplaceTextPages, AsposePdfMakeBooklet,
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// AsposePdfMakeNUp, AsposePdfDeleteBlankPages, AsposePdfAddStampPages
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// AsposePdfMakeNUp, AsposePdfDeleteBlankPages, AsposePdfAddStampPages, AsposePdfEmbedFonts, AsposePdfUnembedFonts,
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DownloadFile(json.fileNameResult, "application/pdf", params[0]);
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}
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}
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// AsposePdfRemoveMetadata, AsposePdfRepair, AsposePdfOptimizeResource, AsposePdfDeleteAnnotations,
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// AsposePdfDeleteBookmarks, AsposePdfDeleteAttachments, AsposePdfDeleteImages, AsposePdfDeleteJavaScripts,
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// AsposePdfFromTxt, AsposePdfFindHiddenText, AsposePdfDeleteHiddenText, AsposePdfDeleteWatermarks,
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// AsposePdfFlatten, AsposePdfMakeBooklet, AsposePdfDeleteBlankPages
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// AsposePdfFlatten, AsposePdfMakeBooklet, AsposePdfDeleteBlankPages, AsposePdfEmbedFonts, AsposePdfUnembedFonts,
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transfer = [event.target.result];
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params = [event.target.result, ffile.name, `Result${operation}.pdf`];
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}

‎snippets/AsposePdfDeleteBlankPages_worker.html‎

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</head>
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<body>
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<label for="fileDeleteBlankPages">Choose a PDF-file to delete blank pages
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<label for="fileDeleteBlankPages">Choose a PDF-file to delete blank pages</label>
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<input type="file" id="fileDeleteBlankPages" accept="application/pdf" onchange="ffileDeleteBlankPages(event)">
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<br>
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<pre id="output">please wait for loading...</pre>

‎snippets/AsposePdfEmbedFonts.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
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<title>Aspose.PDF for JavaScript via C++</title>
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</head>
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<body>
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<label for="fileEmbedFonts">Choose a PDF-file to embed fonts</label>
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<input type="file" id="fileEmbedFonts" accept="application/pdf" onchange="ffileEmbedFonts(event)">
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<br>
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<pre id="output"></pre>
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</body>
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<!-- Load and initiate Aspose.PDF for JavaScript via C++ -->
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<script type="text/javascript" async src="AsposePDFforJS.js"></script>
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<script type="text/javascript">
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/// [Code snippet]
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var ffileEmbedFonts = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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/*Embed fonts a PDF-file and save the "ResultEmbedFonts.pdf"*/
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const json = AsposePdfEmbedFonts(event.target.result, e.target.files[0].name, "ResultEmbedFonts.pdf");
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if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult
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else document.getElementById('output').textContent = json.errorText;
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/*Make a link to download the result file*/
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DownloadFile(json.fileNameResult, "application/pdf");
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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</script>
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</html>

‎snippets/AsposePdfEmbedFonts_worker.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
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<title>Aspose.PDF for JavaScript via C++</title>
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</head>
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<body>
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<label for="fileEmbedFonts">Choose a PDF-file to embed fonts</label>
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<input type="file" id="fileEmbedFonts" accept="application/pdf" onchange="ffileEmbedFonts(event)">
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<br>
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<pre id="output">please wait for loading...</pre>
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</body>
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<script type="text/javascript">
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/// [Code snippet]
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/*Create Web Worker*/
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const AsposePDFWebWorker = new Worker("AsposePDFforJS.js");
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AsposePDFWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
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AsposePDFWebWorker.onmessage = evt => document.getElementById('output').textContent =
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(evt.data == 'ready') ? 'loaded!' :
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(evt.data.json.errorCode == 0) ? `Result:\n${DownloadFile(evt.data.json.fileNameResult, "application/pdf", evt.data.params[0])}` : `Error: ${evt.data.json.errorText}`;
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/*Event handler*/
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const ffileEmbedFonts = e => {
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const file_reader = new FileReader();
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file_reader.onload = event => {
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/*Embed fonts a PDF-file and save the "ResultEmbedFonts.pdf" - Ask Web Worker*/
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AsposePDFWebWorker.postMessage({ "operation": 'AsposePdfEmbedFonts', "params": [event.target.result, e.target.files[0].name, "ResultEmbedFonts.pdf"] }, [event.target.result]);
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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/*Make a link to download the result file*/
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const DownloadFile = (filename, mime, content) => {
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mime = mime || "application/octet-stream";
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var link = document.createElement("a");
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link.href = URL.createObjectURL(new Blob([content], {type: mime}));
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link.download = filename;
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link.innerHTML = "Click here to download the file " + filename;
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document.body.appendChild(link);
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document.body.appendChild(document.createElement("br"));
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return filename;
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}
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</script>
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</html>

‎snippets/AsposePdfFlatten_worker.html‎

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</head>
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<body>
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<label for="fileFlatten">Choose a PDF-file to flatten
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<label for="fileFlatten">Choose a PDF-file to flatten</label>
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<input type="file" id="fileFlatten" accept="application/pdf" onchange="ffileFlatten(event)">
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<br>
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<pre id="output">please wait for loading...</pre>

‎snippets/AsposePdfMakeBooklet_worker.html‎

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</head>
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<body>
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<label for="fileMakeBooklet">Choose a PDF-file to make booklet
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<label for="fileMakeBooklet">Choose a PDF-file to make booklet</label>
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<input type="file" id="fileMakeBooklet" accept="application/pdf" onchange="ffileMakeBooklet(event)">
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<br>
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<pre id="output">please wait for loading...</pre>

‎snippets/AsposePdfMakeNUp_worker.html‎

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</head>
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<body>
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<label for="fileMakeNUp">Choose a PDF-file to make N-Up document
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<label for="fileMakeNUp">Choose a PDF-file to make N-Up document</label>
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<input type="file" id="fileMakeNUp" accept="application/pdf" onchange="ffileMakeNUp(event)">
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<br>
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<pre id="output">please wait for loading...</pre>

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