Sign PDF Documents Online Free
Sign contracts, invoices, offer letters, and agreements electronically in seconds. Draw your handwritten signature smoothly with mouse or touchscreen, upload a transparent PNG of your existing signature, or type a styled signature stamp. Position it precisely on any page with size and transparency controls, then export a signed PDF. Your signature is created and applied entirely in your browser — it is never uploaded or stored.
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.
Private Signing
Confidential contracts and personal signatures are never stored on any remote server.
Frequently Asked Questions
Is signing a PDF on PDFHome free?
Yes. Signing PDFs is 100% free with no account creation, subscriptions, or limits on how many documents you can sign.
Is my digital signature legally binding?
Electronic signatures are widely recognized for commercial and personal agreements in most jurisdictions, including under laws like the ESIGN Act (US) and eIDAS (EU). For high-stakes contracts, confirm requirements with your legal counsel.
Does PDFHome store my signature or documents?
No. Signatures and documents are processed entirely in your browser memory and vanish the moment you close the tab. Nothing is retained on any server.
Can I place my signature on a specific spot?
Yes. Drag the signature to any position on any page, resize it, and adjust transparency before exporting the final signed document.