Sign PDF Documents Online Free
Use PDF Magic to sign PDF files online directly in your browser. This free PDF signature tool allows you to draw or create an electronic signature and place it accurately on any page of your PDF without downloading additional software.
Why sign a PDF electronically?
Signing PDFs digitally speeds up approvals for contracts, invoices, lease agreements, and NDAs, eliminating the need to print, sign by hand, and scan documents back.
Common uses for electronic signatures
An online PDF signing tool is essential for remote workers, freelancers, businesses, legal documents, HR onboarding forms, and personal declarations.
How to sign a PDF online
Upload the PDF document you want to sign from your device.
Draw your electronic signature using your mouse, trackpad, or touchscreen.
Set the target page number and signature coordinates.
Click Apply Signature and download your signed PDF file.
Signature embedding & performance
Browser-Based Signing
The PDF rendering and signature embedding process happen directly inside your web browser using JavaScript and HTML5 Canvas technology.
Flexible Coordinates & Sizing
Fine-tune the horizontal and vertical position of your signature to place it precisely on contract signature lines.
Document integrity & privacy
Legally Binding E-Signatures
Electronic signatures embedded with PDF-lib preserve the visual integrity and structure of the original document.
Complete Privacy & Security
Your confidential contracts and agreements are never saved or processed on external servers during the signing procedure.
Frequently asked questions
Is it free to sign PDFs with PDF Magic?
Yes, the tool is completely free and requires no account or registration.
Are my signed documents stored on a server?
No, all signing and processing happen locally on your device.
Can I sign a PDF on a smartphone or tablet?
Yes, you can easily draw your signature using a touchscreen on mobile devices.
Does signing alter the original PDF content?
No, your signature is placed on top of the existing document layout without modifying original text.
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