Add Comments to PDF Online Free

Add sticky notes and comments to any PDF for review and collaboration. No sign-up required.

Select PDF
or drop your file here
Your file never leaves your device

Everything you need to comment on PDFs

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Sticky Notes

Place sticky note comments anywhere on the page.

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Click to Place

Click any spot on the page to add a comment.

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Color Coded

Use different colors to categorize your comments.

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100% Private

Your PDF is processed in your browser. Nothing is uploaded to any server.

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Works Everywhere

Windows, Mac, Linux, Chromebook — any device with a browser.

No Sign-Up

Start commenting immediately. No account, no email required.

How it works — 3 steps

1

Open your PDF

Select a PDF file or drag it into the editor.

2

Add comments

Click the comment tool and click anywhere on the page to place a sticky note.

3

Download commented PDF

Click Download to save your PDF with comments attached.

Ready to comment on your PDF?

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