PDF Signer: Sign Documents Online - Upload or Draw Your Signature Free

Sign PDF Documents Online Without Software

Need to sign a PDF but don't have a scanner or printer? Our free online PDF signer offers two ways to create your signature: upload a photo for AI background removal, or draw directly on-screen. Both methods are designed for privacy and convenience.

Two Ways to Create Your Signature

Choose the method that works best for you:

• Upload Photo: Take a photo of your handwritten signature. AI automatically removes the background for professional results.
• Draw Signature: Draw directly with your mouse or touchscreen. Perfect for tablets and touch devices. Stays 100% in your browser - no server processing.

AI-Powered Background Removal

When uploading photos, our AI background removal technology automatically removes any background (white paper, lined paper, colored paper) and creates a clean, transparent PNG perfect for PDFs.

• Auto Background Removal: No manual editing required
• Works on Any Paper: White, colored, or lined paper
• Preserves Detail: Maintains signature quality and smoothness
• Transparent Output: Professional PNG format for PDFs

How to Sign a PDF in 3 Easy Steps

1. Create Your Signature: Choose Upload (AI background removal) or Draw (instant, 100% local).
2. Upload Your PDF: Choose the document you need to sign.
3. Place & Download: Drag your signature to the right position, resize as needed, and download your signed PDF.

Privacy & Security

We respect your privacy with transparent data handling:

• Drawn Signatures: Stay 100% in your browser. Never uploaded or processed by servers.
• Uploaded Signatures: Processed via secure API for AI background removal, then returned to your browser.
• Browser Storage: Final signature saved in localStorage for reuse
• No Accounts Required: Start signing immediately without registration
• You Control Your Data: Delete your signature anytime with one click

Key Features

• Drag & Drop: Position signatures anywhere on your PDF
• Resize Freely: Make signatures larger or smaller as needed
• Two Creation Methods: Upload photos or draw signatures
• Multi-Page Support: Sign multiple pages in one document
• Reusable Signature: Create once, sign unlimited documents
• AI Background Removal: Professional results for uploaded photos
• Touch Support: Draw signatures on tablets and touch screens
• Instant Download: Get your signed PDF immediately

Common Use Cases

• Contracts: Sign rental agreements, employment contracts, and business agreements
• Forms: Complete tax forms, applications, and government documents
• Invoices: Approve invoices and purchase orders
• Legal Documents: Sign affidavits, power of attorney, and waivers
• Remote Work: Sign documents from anywhere without printing

Tips for Best Signature Quality

For uploaded photos:

• Use a black or dark blue pen for maximum contrast
• Sign on a clean, smooth surface
• Take the photo in good lighting conditions
• Keep the camera steady to avoid blur
• AI will handle any background color automatically

For drawn signatures:

• Use a stylus or finger on touch devices for better control
• Draw slowly and steadily for smoother lines
• Use the Clear button to start over if needed
• Test on a blank canvas before saving

Why Choose Our PDF Signer?

• Free Forever: No subscriptions, no hidden fees
• No Installation: Works in any modern web browser
• Unlimited Signatures: Sign as many documents as you need
• Two Methods: Upload or draw - choose what works for you
• Cross-Platform: Works on Windows, Mac, Linux, and mobile
• No Watermarks: Clean, professional signed PDFs

Frequently Asked Questions

Is my signature secure?

Yes! Drawn signatures stay 100% in your browser. Uploaded signatures are processed via secure API for background removal, then returned to your browser. Final results are saved in localStorage on your device.

Which method should I use?

Upload if you want AI background removal for a professional look. Draw if you prefer instant results with no server processing and have a touch device or steady mouse hand.

Can I use the same signature multiple times?

Absolutely! Once you create your signature (either method), it's saved in your browser. You can sign unlimited PDFs without recreating it.

Can I sign multiple pages?

Yes! Navigate through pages using Previous/Next buttons, add signatures to any pages you need, and all signatures will be included in the final downloaded PDF.

Browser Compatibility

Our PDF signer works on all modern browsers:

• Google Chrome (recommended)
• Microsoft Edge
• Mozilla Firefox
• Safari
• Opera
• Mobile browsers (iOS Safari, Chrome Mobile)

Start signing your PDFs now with our free, flexible online PDF signer. Upload or draw - the choice is yours!