Annotate PDF
Highlight, box, and draw on pages.
Free · runs in your browser
Drop your file to open the editoror click to choose a fileChoose file
Use Annotate PDF online to highlight, box, and draw on pages — just add your PDF and download the result.
How to annotate pdf
- Upload your PDF. Drag and drop your PDF onto the Annotate PDF page, or click to browse and select it.
- Set your options. Adjust the available settings so Annotate PDF produces exactly the result you need.
- Download the result. Everything runs in your browser; your finished file downloads instantly.
Frequently asked questions
Is Annotate PDF free?
Yes. Annotate PDF is completely free to use, with no sign-up, no watermarks, and no limits on how often you use it.
Is it safe to use Annotate PDF?
Yes. Annotate PDF runs entirely in your browser, so your PDF is processed on your own device and isn’t uploaded to a server.
Do I need to install anything or create an account?
No. Annotate PDF works in any modern web browser — there’s nothing to download and no account required.
What files can I use with Annotate PDF?
Annotate PDF accepts PDFs. Files up to 100 MB are supported.