PDF tool · Free
Annotate PDF
Add text and highlights on top of your PDF — right in your browser.
100% in your browser — your PDF never leaves your device
This tool annotates ON TOP of the PDF (it overlays). It does not edit the document’s original text.
Drop your PDF here or click to choose
PDF files only
Frequently asked questions
Is my PDF sent to a server?
No. Annotation happens in your browser — the file never leaves your device.
Does it edit the original text?
No. It draws on top (text and highlight). The original content stays intact.
Can I annotate several pages?
Yes. Navigate between pages and add as many annotations as you want before exporting.