Annotate PDF files

Highlight, underline, strike-through, comment and draw on PDFs in your browser. All annotations can be flattened on export.

  1. 1

    Open your PDF

    Load the file into the editor.

  2. 2

    Annotate

    Use highlight, underline, strike, comment, checkbox and ink tools.

  3. 3

    Export

    Download a copy with annotations flattened into the page.

Are annotations saved in the PDF?

Yes. When you download, annotations are drawn onto each page, so anyone viewing the PDF will see them in any PDF reader.

Can I remove annotations later?

Before exporting, use undo/redo or delete selected annotations. After export, annotations become part of the page content.