All tools›Security & Annotation›PDF Sign
Sign PDF Online
Add signatures and initials to your PDF document — free, private, no signup.
✓ No server upload✓ No signup required✓ Open source✓ Unlimited file size
✍️
Drop your file here
or click to select from your computer
PDF files

Frequently Asked Questions

Is my document uploaded to a server?
No. All processing happens locally in your browser.
Can I type my signature?
Yes. You can either draw your signature with a mouse/touchpad or type it using script fonts.
Are these signatures legally binding?
They function as electronic signatures, which are legally binding in most jurisdictions for everyday agreements.
Is the original PDF modified?
No. The signature is embedded into a new copy of your PDF.
Can I add multiple signatures?
Yes. You can place as many signatures, initials, or dates as needed.