Can I draw on multiple pages of a single PDF?

Yes. You can scroll through the entire document and draw annotations across any page in the file.

Can I change the stroke thickness and color while drawing?

Yes. The toolbar allows you to switch between different colors, opacity levels, and stroke widths at any point during your editing session.

Will my drawings be visible in all PDF readers?

Yes. Drawn strokes are saved into the PDF content stream, ensuring full compatibility with Adobe Acrobat, Apple Preview, Google Drive, and mobile apps.

Is there a limit on how many drawings or pages I can annotate?

No. KissThePDF is completely free and has no arbitrary page or file size limitations.

Does KissThePDF upload my PDF to any server?

No. All PDF processing and drawing happens 100% locally in your web browser.

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Step-by-step guide: How to Draw on a PDF (Freehand, With a Mouse or Finger)