Sign PDF
Add your signature to a PDF. Type, draw, or upload your signature — all processing happens locally on your device.
Files stay on your device
100% Browser-based
No account needed
Drop your PDF to sign
Supported: PDF (up to 100.0 MB)
Frequently Asked Questions
Is my signature stored?
No. Your signature is embedded directly into the PDF. Nothing is stored, transmitted, or saved — it stays on your device.
Can I add an image of my signature?
Yes. Upload a PNG or JPG image of your signature and position it on the page.
Common Use Cases
Contract signing
Sign contracts, NDAs, and agreements without printing, scanning, or mailing. Add your signature directly in the browser.
Form authorization
Sign authorization forms, permission slips, or approval documents digitally and email them back immediately.
Invoice approval
Add your signature to invoices or purchase orders as approval before forwarding to accounting or the vendor.