Document Tools

Mark up a PDF

Highlight, draw freehand, and drop sticky notes onto any page, then download. No login, and completely private — your file never leaves your device.

Drop a PDF file here

or click to browse

Highlight colour

Your file stays on your device. Everything happens in your browser — nothing is uploaded, stored, or seen by anyone. See how we verify this →

Use markup for review and feedback

When to use it

Highlights, freehand drawing and sticky notes make it easier to point out passages or leave visual feedback without changing the underlying document.

Limits and checks

Annotations are added to the downloaded PDF. Check colour contrast and placement, and do not rely on visual covering to redact confidential information.

Need to add typed text or an image? →

Frequently asked questions

Is my PDF uploaded to a server?

No. Everything runs in your own browser, so your file never leaves your device.

Can I edit my markup later?

While the page is open, use Undo or Clear page. Once downloaded, the highlights, drawings, and notes are baked into the PDF as part of the page.

Which browsers are supported?

Any up-to-date version of Chrome, Firefox, Edge, or Safari on desktop or mobile.