PDF Scratchpad

Sketch and annotate freely on PDF pages

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Drop your files here or

Accepted: .pdf · Files stay in your browser

Free · No signup · No watermarks · Files never leave your browser

How to use PDF Scratchpad

  1. Upload your file using the drop zone above.
  2. Adjust any options for the pdf scratchpad task.
  3. Click Process and download your result instantly.

Why use PDFzelo PDF Scratchpad?

Sketch and annotate freely on PDF pages. PDFzelo processes everything locally in your browser — no uploads, no waiting rooms, no accounts. It works on Windows, Mac, Linux, Chromebook, Android and iPhone.

Frequently asked questions

What tools are included?

Pen, highlighter, shapes and text for freeform markup.

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