FREE TOOL
PDF annotation
Free to use.
Pin numbered comments on a PDF and export the marked up file. The PDF stays in your browser.
Drop a PDF here
Or choose one from your device. Up to 50 MB. Nothing is uploaded.
How to use the
PDF annotation
Each step below matches what you see in the tool above.
Open your PDF
Drop a PDF on the tool or choose one from your device. It opens in this tab and is never uploaded.
Pin and highlight
Pick Pin and click to drop a numbered marker, or pick Highlight and drag across an area. Write each comment in the list.
Download the result
Get the PDF with numbered pins, highlights and a comment page at the end, or the comments alone as a CSV file.
What people ask
before they use it
Short answers on how it works and what happens to your data.
No. The PDF is read and drawn in your browser tab, and the annotated copy is built there too. The file never reaches a server, so closing the tab discards it.
Reviewing the website too?
Pin comments on the live page.
Free plan, no credit card. Reviewers never sign up.