Draw on PDF Online

Key Features

• Smart Gravity Pen: Automatically smooths jagged lines for professional handwriting.
• Highlight Mode: Adjust opacity to mark text in transparent yellow, green, or blue.
• Undo/Redo History: Easily correct mistakes with a full edit history stack.
• Client-Side Privacy: PDFs are processed in your browser and never uploaded.
• Custom Brushes: Full control over pen color, thickness, and transparency.
• No Watermark: 100% free for personal and commercial use.

How do I use it?

It's simple: Step 1: Upload your PDF. Step 2: Select your pen color and size. Step 3: Draw, sign, or highlight directly on the pages.

How do I download?

Once you are finished annotating, simply click the green Download PDF button. The tool will burn your drawings into the document and save it to your device.

Is this tool free?

Yes, this tool is 100% Free. There are no limits on the number of pages or documents you can process. No sign-up required.

What files can I upload?

This tool is designed for PDF documents. It is perfect for signing contracts, filling out forms, or highlighting study notes.

Privacy & Security

Your privacy is our priority. Since this tool runs Client-Side (in your browser), your sensitive documents are never uploaded to our servers.