Sign PDF Documents Online Free
Add a professional handwritten signature or signature stamp to contracts, invoices, and agreements in seconds. Draw smoothly on our signature canvas or upload a transparent PNG signature, position it with precision, and export your signed PDF with zero cloud storage.
How to Use Sign PDF Online
Upload Document
Select or drag the PDF contract or form you need to sign.
Draw or Upload Signature
Draw your signature on the smooth canvas in black or blue ink, or upload a transparent PNG signature.
Position & Save
Place your signature anywhere on the page, adjust size, and click "Save & Export" to download.
Why Use PDFHome for Sign PDF?
Smooth Ink Canvas
Pressure-sensitive signature drawing pad with blue and black ink options.
Transparent Stamp Upload
Upload pre-made signature graphics and overlay them cleanly on signature lines.
9-Point Grid Alignment
Snap your signature precisely to standard contract signature boxes.
100% Private Signing
Confidential contracts and personal signatures are never stored on any remote server.
International Search Queries & Global Support
Looking for Sign PDF in your native language? PDFHome is accessible worldwide without language barriers. Users across the globe search and access this tool with the following regional queries:
Frequently Asked Questions
Is signing a PDF on PDFHome free?
Yes, signing PDFs is 100% free with no account creation or monthly subscription.
Is my digital signature legally binding?
Electronic signatures placed on documents are widely recognized for commercial and personal agreements in most jurisdictions.
Does PDFHome store my signature or documents?
No. Signatures and documents are processed entirely in your browser memory and are deleted the moment you close the tab.
Can I use this tool if I am searching in Spanish, French, German, or other languages?
Yes! PDFHome is designed for international users worldwide. You can search and access this tool via common global queries such as "Firmar PDF online" (Spanish), "Signer un PDF en ligne" (French), "PDF unterschreiben" (German), "Assinar PDF grátis" (Portuguese). All PDF processing runs locally in your browser with complete multi-language document support.