How to Electronically Sign PDF Documents Online for Free
Draw signatures, upload scanned stamps, and sign contracts and NDAs with full legal validity.
Sign Your PDF Document Free
Draw, type, or stamp your signature onto any contract with drag-and-drop precision.
The Legal Validity of Electronic Signatures
Under the US ESIGN Act, UETA, and EU eIDAS regulations, electronic signatures carry the same legal weight as traditional wet-ink signatures for commercial contracts, freelance agreements, and real estate leases.
Signing documents in your browser eliminates the need to print out paper, sign with a pen, and scan back to your computer.
Interactive Tool: Sign PDF Now
Use this tool right here on this page with zero uploads
Drawn Signatures vs Uploaded Signature Stamps
• Smooth Drawing Pad: Use your mouse, trackpad, or touchscreen stylus to draw your personal signature curve.
• Transparent Signature Stamp: Upload a clean photo of your signature with automatic background transparency removal.
- Resize and reposition the signature box on your signature line before confirming.
Step-by-Step Guide to Signing PDFs
1. Open the PDFAtlas Sign PDF tool.
2. Upload your PDF agreement or contract.
3. Draw your signature or upload an image.
4. Drag and position the signature over the required signature block, then click "Apply Signature & Download".
Ready to work with your PDFs securely?
PDFAtlas executes all operations entirely in your browser using high-performance WebAssembly. Your files never leave your device.
Frequently Asked Questions
Are my signatures saved on a remote server?
No. Your drawn signature remains strictly inside your local browser tab and is burned directly into the PDF vector layer.
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