This tool lets you view a PDF and add annotations — text boxes, highlights, and drawings — directly on the page. The annotated PDF can be downloaded.
Who needs this tool?
Reviewers marking up documents, teachers annotating student work, and anyone who needs to add comments or corrections to a PDF without editing the original text.
What problem does it solve?
PDFs are not editable by default. This tool adds a layer of annotations on top of the existing content so you can mark up any PDF without changing the underlying document.
How to Use
Upload your file.
Choose your options.
Click the action button.
Download the result.
Frequently Asked Questions
This tool lets you view a PDF and add annotations — text boxes, highlights, and drawings — directly on the page. The annotated PDF can be downloaded.
Reviewers marking up documents, teachers annotating student work, and anyone who needs to add comments or corrections to a PDF without editing the original text.
PDFs are not editable by default. This tool adds a layer of annotations on top of the existing content so you can mark up any PDF without changing the underlying document.
This tool adds annotations on top of the PDF — it does not change existing text. To edit the actual text, use the PDF to Word converter first.
Download your annotated PDF immediately after editing. Browser tabs do not save changes automatically.
Yes. You can add as many text boxes, drawings, or highlights as you need on any page.
Yes. PDFdukan is 100% free with no hidden charges, no subscription, and no credit card required.
No account is needed for basic use. Sign in only if you want to save files directly to your Google Drive.
No. All processing happens entirely inside your browser using JavaScript. Your files never leave your device and are never seen by any server.
Yes. All PDFdukan tools work in any modern browser — Chrome, Safari, Firefox, Edge — on phones, tablets, and computers.