Annotate & Sign PDF
Add text, highlights, shapes, and signatures to any PDF — all in your browser. Your files never leave your device.
Your files never leave this deviceor drag & drop it here
Annotate PDFs without uploading
Need to sign a contract? Highlight a clause? Add a note to a statement? This tool lets you annotate any PDF directly in your browser. No server upload, no account, no watermark. Your annotations are embedded into the PDF when you download.
Text: Click anywhere to add typed text. Highlight: Drag to mark areas. Rectangle: Draw bordered boxes. Signature: Draw or upload your signature and place it anywhere.
Frequently asked questions
Can I add text to a PDF?
Yes. Select the Text tool, click anywhere on the page, and type. You can move and resize text boxes freely.
How do I sign a PDF?
Click the Signature tool, draw your signature on the pad (or upload an image), then click on the page where you want it placed. Drag to reposition.
Can I highlight text?
Yes. Select the Highlight tool and drag across the area you want to highlight. You can resize the highlight after placing it.
Is this private?
Absolutely. Everything runs in your browser with pdf-lib and PDF.js. Your file never leaves your device.
Can I save my annotations?
Yes — click "Download annotated PDF" to save a new PDF with all your annotations embedded.