PDF Annotation Extractor - Export Comments & Highlights

Extract all annotations from PDF files including comments, highlights, notes, and markups. Export to JSON or CSV. Browser-based tool.

Drop PDF file here

Extract annotations and comments

Annotations will appear here

Security: Only process files from sources you trust. All processing happens locally in your browser.

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Frequently Asked Questions

Text highlights, underlines, strikethroughs, sticky notes, text comments, free text, stamps, shapes, and ink drawings. All standard PDF annotation types.

No. All extraction happens locally in your browser using PDF.js. Your documents stay private on your device.

Yes. The author name (if recorded) and creation date are shown for each annotation when available in the PDF.

Reply chains and threaded comments are extracted and linked to their parent annotations.

Yes. Export all annotations as JSON (with full metadata) or CSV (for spreadsheets). Perfect for review workflows.

Annotations embedded in the page content (flattened) cannot be extracted. Only interactive annotations are detected.

The tool shows highlight positions. Extracting the actual highlighted text requires additional processing due to PDF structure.

Redaction annotations are shown if not yet applied. Applied redactions permanently remove content and cannot be recovered.

Yes. Filter by type (highlight, note, comment, etc.) or search by content and author name.

Sticky notes are standalone annotations. Comments are replies to other annotations. Both contain text content.

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