Draw freehand on PDF pages. Sketch and annotate with a pen tool in multiple colors.
Drop PDF here or click to open
Supports PDF files up to 100MB
Select the PDF to draw on.
Use the pen tool to draw freehand on pages.
Save your annotated document.
Yes. OnePDFs is free to use, requires no account, and does not add an extra OnePDFs branding watermark; watermark tools add only the watermark you choose.
Your files stay on your device and are processed locally in your browser; no upload to our PDF processing service is required. A browser copy can remain in this site's IndexedDB until you clear site data or the browser evicts it.
The tool supports PDFs up to 100MB. Work runs in your browser, so the time depends on page count, document complexity, and your device resources.
No installation is needed. The tool runs through your browser and does not send the PDF to our processing service.