Free Online PDF Signature Tool — Sign PDFs Without Adobe

Add your handwritten or typed signature to any PDF document without installing software. Our free online Sign PDF tool works entirely in your browser — your documents never leave your device. Draw a signature with your mouse or touchscreen, type your name in a handwriting font, or upload an image of your existing signature.

Three Ways to Sign

• Draw: Use your mouse, trackpad, or touchscreen to draw a natural handwritten signature.
• Type: Type your name and choose from multiple handwriting-style fonts including cursive styles.
• Upload: Upload an existing signature image (PNG with transparent background works best).

Placement Controls

• Apply to last page, first page, all pages, or a specific page number
• 6 position presets: bottom-right, bottom-left, bottom-center, top-right, top-left, center
• Adjustable signature size (50–400px wide)

Common Use Cases

• Contracts: Sign rental agreements, freelance contracts, or NDAs before returning
• Forms: Sign government forms, medical forms, or application documents
• Letters: Add a personal signature to formal correspondence or cover letters
• Invoices: Sign invoices before sending to clients as proof of authorization

Privacy & Security

Your PDF and signature data are processed entirely in your browser using JavaScript. No files are uploaded to any server. This makes the tool safe for confidential legal documents, medical records, or any sensitive paperwork.