Edit a PDF

Annotate and highlight a PDF

Highlight, draw, add notes, arrows and shapes to review documents.

Open a PDF to start

Change text, add signatures, images and shapes, then save.

Processed privately on your device

How to annotate a PDF

  1. Open the PDF you want to review.
  2. Use highlight, draw, note, arrow and shape tools on any page.
  3. Save the annotated PDF and share it.

Why use PDF Karigar to annotate PDFs?

Review documents the way you would on paper: highlight key lines, draw freehand, add sticky notes, arrows and checkmarks, then save the marked-up PDF.

  • Private by design. Files are processed on your own device. Nothing is uploaded, stored or shared.
  • Free, with no catch. No sign-up, no watermarks and no daily limits.
  • Works everywhere. Runs in any modern browser on Windows, Mac, Linux, Android and iPhone.

Annotate PDF: frequently asked questions

Can others see my annotations?

Yes. Annotations are saved into the PDF, so they appear in every PDF viewer.

Can I change the highlight colour?

Yes. Pick any colour and adjust the opacity for highlights, pens and shapes.

Does it work on tablets?

Yes. Draw and highlight with your finger or a stylus.

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