Draw on PDF

Freehand draw on your PDFs with customizable pen tools. Sign documents, sketch diagrams, circle important sections, or add handwritten notes. All drawing happens in your browser — your file never touches a server.

Upload your PDF

Drag and drop, or click to browse

100% private — processed locally

Smooth Freehand Pen

Draw naturally with a responsive freehand tool. Great for signatures, sketches, handwritten notes, and markup.

Eraser Tool

Made a mistake? Select and delete any drawing stroke, or use Ctrl+Z to undo instantly.

Custom Colors & Width

Pick any color from the palette and adjust brush width from thin precision lines to bold strokes.

How to Draw on a PDF

1
Open PDFlys and upload your PDF file.
2
Select the Draw tool from the floating toolbar.
3
Choose your pen color and brush size from the property panel.
4
Draw freely on the PDF page using your mouse, trackpad, or touchscreen.
5
Click Download to save the PDF with your drawings permanently embedded.

FAQ

Can I use this to sign a PDF?▾

Yes — the freehand pen tool is perfect for adding your signature directly on a document. Draw your signature, position it where needed, and download the signed PDF.

Can I change the pen thickness?▾

Yes. Use the brush width slider in the property panel to adjust from thin (1px) to thick (20px+) strokes before or while drawing.

Does it work with a stylus or tablet?▾

Yes. PDFlys responds to mouse, trackpad, touchscreen, and stylus input. The drawing experience works well on tablets and touch-enabled laptops.

Can I draw on specific pages of a multi-page PDF?▾

Yes. Navigate to any page using the page navigator and draw on each page independently. Drawings on all pages are saved when you download.

Can I erase part of a drawing?▾

You can select individual drawing strokes and delete them, or use Ctrl+Z to undo. The eraser works on a per-stroke basis for clean removal.

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