Ready to export annotations.
<!DOCTYPE html>
<html>
<head>
<title>PDF Annotation Exporter</title>
</head>
<body>
<input type="file" id="pdfInput" accept="application/pdf">
<button id="exportBtn">Export Annotations</button>
<div id="statusBar">Ready to export annotations.</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.3.200/pdf.js"></script>
<script>
let pdfFile = null;
function loadPdf(event) {
pdfFile = event.target.files[0];
document.getElementById("statusBar").innerHTML = `Selected PDF: ${pdfFile.name}`;
}
document.getElementById("pdfInput").addEventListener("change", loadPdf);
function exportAnnotations() {
if (!pdfFile) {
document.getElementById("statusBar").innerHTML = "No PDF selected.";
return;
}
document.getElementById("statusBar").innerHTML = "Exporting annotations...";
PDFJS.getDocument(pdfFile).promise
.then(function(pdf) {
let totalAnnotations = 0;
let data = "filename,page,annotator,type,text,updated\n";
let promises = [];
for (let i = 1; i <= pdf.numPages; i++) {
promises.push(pdf.getPage(i).then(function(page) {
return page.getAnnotations().then(function(annotations) {
totalAnnotations += annotations.length;
for (let j = 0; j < annotations.length; j++) {
let annot = annotations[j];
let date = annot.date ? annot.date.toLocaleString() : "";
data += `${pdfFile.name},${i},${annot.author.name},${annot.subtype},${annot.contents},${date}\n`;
}
}));
}));
}
Promise.all(promises).then(function() {
let blob = new Blob([data], { type: "text/csv;charset=utf-8;" });
let url = URL.createObjectURL(blob);
let a = document.createElement("a");
a.href = url;
a.download = `${pdfFile.name}-annotations.csv`;
a.click();
URL.revokeObjectURL(url);
document.getElementById("statusBar").innerHTML = `Exported ${totalAnnotations} annotations.`;
});
});
}
document.getElementById("exportBtn").addEventListener("click", exportAnnotations);
</script>
</body>
</html>