Free Tool
Add Signature to PDF
Add your signature to any PDF document for free. No account needed. Works on any device. Legally binding eSignatures.
Free Forever
No Account
Legally Binding
Any Device
What You Can Sign
- Contracts & Agreements
- Tax Forms (W9, 1099)
- Lease Agreements
- Business Documents
- Permission Slips
How to Add Your Signature
Sign any PDF in under a minute
1
Upload Your PDF
Drag and drop your PDF or click to browse. Supports all PDF files up to 50MB.
2
Create Your Signature
Draw with your mouse, type your name, or upload an image of your signature.
3
Place & Download
Click where you want the signature, resize if needed, then download your signed PDF.
Why Add Signatures with PDFDaddy?
No Printing Required
Sign PDFs directly online. No need to print, sign by hand, and scan.
Secure & Encrypted
Your documents are encrypted and auto-deleted after processing.
Legally Valid
eSignatures are legally binding under ESIGN Act and eIDAS.
Completely Free
No hidden fees, no watermarks, no subscription required.
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Ready to Sign Your PDF?
Add your signature in seconds. Free, no account needed.