Electronically sign your PDF documents with FusioFiles' free online PDF signer. Whether you need to sign a contract, an agreement, or a form, our tool makes it easy to add your signature in seconds. You can draw your signature using your mouse or trackpad, type your name in a stylized font, or upload an image of your signature.Our tool processes everything locally in your browser, ensuring that your secret documents are never uploaded to a server. Sign unlimited documents for free with no watermarks.It's the secure, fast, and easy way to handle digital signatures on any device.
Privacy Protected
Sign PDF Online Free
Add your signature to PDF documents online — no printing needed. Free electronic PDF signing tool. Draw, type, or upload signatures.
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Select files or drag & drop here
Processed 100% locally in your browser. Your files never touch an external server.
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100% Client-Side Privacy•No File Size Limits•Free Forever
About Sign PDF Online Free
FusioFiles 100% Client-Side Privacy Guarantee
Your files and data never leave your browser — processed directly on your device.
Zero Server UploadsExecution occurs entirely in browser memory via WebAssembly and HTML5 Canvas.
HIPAA & GDPR ReadySafe for confidential tax forms, medical records, financial sheets, and legal contracts.
Zero Cloud LatencyInstant results with no upload delays, server queues, or third-party tracking.
Automatic RAM PurgeBuffers and caches are automatically wiped clean the instant you close the tab.
1
Upload PDF
Upload the document you want to sign.
2
Create Signature
Draw your signature using your mouse/trackpad, type your name, or upload an image.
3
Place Signature
Drag your signature to the correct position on the document.
4
Download
Save your signed PDF document securely.
Key Features
Draw, Type, or Upload
Create your signature using your mouse/trackpad, keyboard, or an image file.
Multi-Signature Placement
Add and position multiple signatures across different pages of your PDF.
100% Secure & Private
Your signed document is generated entirely in your browser. Sensitive contracts never touch our servers.
Frequently Asked Questions
Yes, FusioFiles uses client-side processing. Your document never leaves your device, so your secret data remains completely private.
You can draw your signature, type your name, or upload an image of your signature.
Electronic signatures are legally binding in many jurisdictions, but for highly secret legal documents, please consult local laws.
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