Sign a PDF Online, Free
Draw, type or upload your signature and place it on any page
🔒 No upload • No account • No watermark • Runs in your browser
Sign PDF lets you add a visible signature to contracts, forms and letters without printing. Make a signature, click where it goes, and download the signed file.
How to use Sign PDF
- Select the PDF to sign.
- Draw your signature, type your name, or upload a photo of a signature on white paper.
- Click the page to place it, then drag and resize it.
- Press the sign button and download.
Features
- Three ways to create a signature.
- Place it on any page, as many times as needed.
- White paper background is removed from uploaded signatures.
- No account, no watermark.
Good to know
- This adds an image of your signature. It is not a certificate-based digital signature and does not prove who signed or detect later changes.
- Where a law, bank or authority requires a certified digital signature, use the method they specify.
Questions and answers
Is a signature added here legally binding?
For many everyday documents a visible signature is accepted, but rules differ by country and document type. When in doubt, ask whoever requested it.
Can I sign on my phone?
Yes. You can draw with your finger.
Can I sign several pages?
Yes. Place the signature on each page you need.
Privacy
This tool runs inside your browser. Your file is read into your device’s memory, processed there and handed back as a download. It is not sent to a FirePDF server. You can test this by switching off your internet connection after the page has loaded and running the tool again. Read the Privacy Policy and the Security page for details.
Want more background? Read the step-by-step guide.