Add comments to a PDF
Place sticky-note comments anywhere on the page. They are saved as real PDF comments that Acrobat, Preview and browsers show.
- Files never leave your device
- Free, no signup, no watermark
- Works on any browser
- Edit existing text
- Sign
- Fill forms
- Comment & mark up
- Stamps & symbols
- True redaction
- 20+ fonts, any language
How to add comments to a PDF
- 1Open your PDF
- 2Click where the comment goes and type it
- 3Download the PDF with comments
About Comment on PDF
Sticky-note comments are saved as standard PDF annotations, so your colleagues see a note icon they can open in Adobe Acrobat, macOS Preview, Chrome, Edge or Firefox. Pick a color per comment to separate topics or reviewers.
Useful for
- Review a contract and leave questions
- Give feedback on a design or a thesis
- Leave instructions on a form
- Approve changes on a proof
Frequently asked questions
Will others see my comments?+
Yes. They are standard PDF annotations, shown as note icons in Adobe Acrobat, macOS Preview, Chrome and Edge.
Is it free?+
Yes, completely free: no signup, no watermark, no paywall at download.
Are my files uploaded to a server?+
No. Everything is processed locally in your browser, so your files never leave your device.