Annotate PDF
Add highlights, comments, shapes and freehand drawing to a PDF. Client-side.
Runs in your browser100% private: this tool runs entirely in your browser. Your file never leaves your device — nothing is uploaded, nothing is stored.
Drop a PDF here or click to browse
Runs in your browser — your file is never uploaded.
How to annotate pdf
Add highlights, comments, shapes and freehand drawing to a PDF. Client-side. To use Annotate PDF: 1) add your file by dragging them in or clicking to browse, 2) adjust the edit options, 3) download your result — done in seconds. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
Frequently asked questions
- Is Annotate PDF free to use?
- Yes. Annotate PDF is free to use. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
- Are my files safe and private?
- Completely. Annotate PDF processes your file directly in your browser, so it is never uploaded to any server.
- Do I need to install anything?
- No. Annotate PDF works in any modern web browser on Windows, Mac, Linux, iPhone and Android — nothing to install.