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Annotate PDF

Highlight, underline-style draw and add text notes to any PDF. It’s free, works in your browser, and your files are never uploaded.

How to use Annotate PDF

  1. Add your PDF by dragging it in or choosing it.
  2. Choose Highlight, Draw or Text, then mark up the page.
  3. Download the result.

Why use Annotate PDF on Free File Converter Fox

Frequently asked questions

Is Annotate PDF free?

Yes. Annotate PDF on Free File Converter Fox is free, with no sign-up, watermark or daily limit.

Is my file uploaded to a server?

No. Annotate PDF runs entirely in your browser, so your files stay on your device and are never sent to us.

What should I do if Annotate PDF fails?

Try a smaller file, reload the page, or use a current version of Chrome, Edge, Firefox or Safari. Very large files can run out of memory, especially on phones.

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