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M2TOOLKIT

Annotate a PDF

Highlight, draw and comment on PDF pages.

  • Free
  • No sign-up
  • Files stay on your device

or drag and drop it here

PDF files up to 150 MB · processed on your device, never uploaded

Your files are processed entirely in your browser using built-in web technologies. They are not uploaded to our servers, and closing the page clears them from memory.

How to use the Annotate PDF

  1. Choose a PDF.
  2. Pick highlight, box, pen or text and work on the page — switch pages with the arrows.
  3. Download the annotated PDF to share or print.

What does this tool do?

Use it to review a draft, mark up a contract, grade an assignment or study lecture slides. Highlights blend with the page like a real highlighter, so the text underneath stays readable.

Annotations are drawn into the page content, so they look the same in every PDF reader and print correctly. Your PDF is processed on your own device and never uploaded.

Why use it?

  • Highlighter, pen, boxes and notes.
  • Looks the same everywhere.
  • Undo and move items.

Privacy

Your files are processed entirely in your browser using built-in web technologies. They are not uploaded to our servers, and closing the page clears them from memory. There's no account to create and nothing to install.

Last reviewed by the M2Toolkit team.

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