Annotate PDF
PDF → PDF
Add comments, highlights, and notes
About this tool
About Annotate PDF
Annotate PDF is a free, browser-based tool that lets you add comments, highlights, and notes. It supports PDF → PDF. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open Annotate PDF, add your input, and get results instantly.
How to use Annotate PDF
1
Upload PDF
Open your document in the annotation tool.
2
Markup Document
Add comments, shapes, and highlights to specific areas.
3
Save Annotated PDF
Download the file with all your markups included.
Key features
Collaborate Easily
Mark up documents with visual feedback for your team.
100% Private
Annotate PDF processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use Annotate PDF as much as you want with no fees, no watermarks, and no hidden limits.
No Installation
Annotate PDF runs in any modern browser. There's nothing to download, install, or configure.
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