Add Signature to PDF - Sign PDF Documents Online Free
Add digital signatures to PDF documents instantly. Upload your signature as image and place it anywhere on any page. Perfect for contracts, agreements, and official documents. No registration required.
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How to Use How to Add Signature to PDF
Step-by-step guide to add your signature to PDF documents
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1
Upload PDF Document
Click the upload button or drag and drop your PDF file into the designated area. Files up to 50MB are supported.
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2
Upload Your Signature
Upload your signature image (PNG, JPG, or WebP). For best results, use a signature with transparent background.
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3
Position and Resize
Drag your signature to the desired position on the page. Resize by dragging the corners to fit perfectly.
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4
Download Signed PDF
Click the download button to save your signed PDF document with the signature embedded.
Frequently Asked Questions
Q: Can I add my handwritten signature to PDF?
Yes! Simply take a photo of your signature or scan it, upload it as an image, and place it on your PDF document.
Q: Can I resize and position the signature?
Yes, you can drag to reposition, resize by dragging corners, and place the signature anywhere on any page of your PDF.
Q: Is my signature and document secure?
Absolutely. All processing happens locally in your browser. Your PDF and signature are never uploaded to any server.
Q: What signature formats are supported?
We support PNG, JPG, JPEG, and WebP image formats for your signature.
Q: Can I add multiple signatures?
Yes, you can add multiple signatures and place them on different pages or positions within the same document.
Q: Will the signature look professional?
Yes, our tool maintains high quality and transparency for a professional-looking signature on your documents.
Q: Is this tool completely free to use?
Yes, this tool is 100% free with no hidden charges, subscriptions, or premium features. Simply visit the page and start using it immediately without any signup.
Q: Is my data secure and private when using this tool?
Absolutely. All processing happens locally in your browser. Your files and data never leave your device and are not stored on any server. We do not collect any personal information. For enhanced privacy, consider using our secure notes tool for sensitive information.
Q: Do I need to install any software or create an account?
No installation or account required. All tools work directly in your web browser. Just visit the tool page and start using it instantly.
Q: Can I use this tool on mobile devices?
Yes, all tools are fully supported and work perfectly on smartphones, tablets, and desktop computers.
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Privacy & Trust Guarantee
100% Local Browser Processing
Processing occurs entirely in your browser using local JavaScript/Wasm. Files are never transmitted to any servers.
Zero File Retention
Your data resides in temporary browser memory. Files are wiped instantly upon tab closure or page reload.