Upload your file here

Open in workspace PDF
1

Open your PDF

Drop in the PDF you want to mark up.

2

Add text

Click anywhere on the page to drop in a text box, then adjust size, color, and position.

3

Save your changes

Export the edited PDF.

About this tool

Add text comments, drawings, shapes, and custom highlights to your PDF documents — directly in your browser. Because PDFtone runs client-side, your annotations are added locally without uploading your documents to any server.

How to annotate pdf

  1. Open the PDF you want to annotate in the workspace above.
  2. Use the annotation toolbar to add text, draw, highlight, or insert shapes.
  3. Export and download your annotated PDF.

Common uses

  • Reviewing drafts and adding feedback for team members.
  • Highlighting key terms or sections in legal or academic papers.
  • Adding notes or callouts to presentations or reports.

Frequently asked questions

Will my annotations edit the original text?

No. Annotations are added as an interactive overlay on top of your existing PDF layers.

Can I edit or remove annotations later?

Yes. Annotations can be modified or deleted using any PDF reader that supports standard PDF markup.

Are my files uploaded to annotate them?

No. Your document stays on your device, and annotations are saved locally.

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