Sign PDF Documents
Add your digital signature to PDF files. Free, secure, and works offline in your browser.
Drop your PDF file here
or click to browse from your device
Upload a PDF to add your signature
How to Sign a PDF Document Online
Upload Your PDF
Choose your PDF document, or drag and drop it into the upload area.
Draw Your Signature
Use your mouse or finger to draw your signature. Clear and redo as many times as needed.
Position on PDF
Drag your signature to the exact position on the PDF page and resize it to fit.
Download Signed PDF
Click Download. Your signed PDF is saved to your device instantly.
Secure & Private
Your PDF and signature never leave your device. Everything runs locally in your browser.
Draw Your Signature
Sign with your mouse on desktop or your finger on mobile — no stylus needed.
Unlimited & Free
Sign as many PDFs as you need — no limits, no subscription, always free.
No Account Needed
Sign PDFs immediately — no sign-up, no email, no registration required.
Frequently Asked Questions
Is the PDF signing tool free?
Yes, 100% free. Sign as many PDF documents as you need — no account, no subscription.
Is my PDF uploaded to a server when I sign it?
No. All signing happens in your browser. Your PDF and your signature never leave your device — completely private.
Is a drawn signature legally valid?
In many countries, a drawn electronic signature is legally binding. For high-stakes legal documents, consult a lawyer about the requirements in your jurisdiction.
Can I sign a PDF on my phone?
Yes. The signing tool works on iPhone, iPad, and Android. You can draw your signature with your finger directly on the screen.
Can I place my signature on any page of the PDF?
Yes. After drawing your signature, drag it to any position on any page of the PDF and resize it to fit perfectly.