PDF Tool

Annotate PDF

Highlight, draw, and add notes to PDF pages right in your browser, then save the updated file without uploading your document to any server.

🔒 Your files never leave your device

Lifetime usage

Each browser gets 50 free lifetime uses of Annotate PDF. Upgrade for unlimited access.

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Annotate and highlight PDFs locally

Upload one PDF, mark it up on the page preview, then save a new annotated copy.

Drop a PDF to start annotating

Highlight, draw, and place text notes directly in your browser