Annotate PDF embeds coloured note boxes directly into the PDF at the position and page you specify — all locally in your browser.

Annotate PDF

Add colour-coded sticky notes to specific page positions

Add coloured note boxes — positions are % from the top-left of the page.

Related tools

Keep the workflow moving

FAQ

Common questions

Do my files leave the browser?

Your files are processed in your browser and are not uploaded to our servers. Results are generated on your device and saved in your browser's storage until you clear the workspace. You do need an internet connection to load the site. There's no account or sign-in.