Sign PDF Online for Free
Add visual electronic signatures to your documents securely. Files are processed locally in your browser.
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How to Add Signature to PDF Online
01
Upload PDF
Choose the target PDF document from your local device.
02
Create Signature
Draw with mouse/touch, type your name in cursive, or upload a local signature image.
03
Place and Scale
Drag signature boxes to the correct location and scale coordinates visually.
04
Download
Save the resulting document instantly. All processes happen locally in your browser.
Frequently Asked Questions
What type of signature does PixoPDF add?
PixoPDF adds a visual electronic signature overlay to your document. It does not perform cryptographic qualified certificate signing or digital key verification.
Are my signatures secure?
Yes. Your document buffers, text entries, and drawn signature image bytes are processed strictly in your local browser sandbox and never leave your device.