Sign PDF

Add your signature to any PDF document. Draw, type, or upload your signature and place it anywhere on the page. Works entirely in your browser for maximum privacy.

How to Sign a PDF Online

  1. 1

    Upload your PDF

    Drag and drop your PDF file into the upload area, or click to browse and select it from your device.

  2. 2

    Create your signature

    Draw your signature using your mouse or touchscreen, type your name to generate a signature, or upload an image of your signature.

  3. 3

    Place the signature on the document

    Click anywhere on the PDF page to place your signature. Drag to reposition and resize it to fit the signature field.

  4. 4

    Download the signed PDF

    Click download to save your signed document. The entire process runs in your browser — your file and signature never leave your device.

Why Use PDFWhisker to Sign PDFs?

PDFWhisker's signature tool lets you sign PDF documents directly in your browser without uploading your file to any server. Your document and signature stay on your device at all times, making this the most private way to sign PDFs online. Create your signature by drawing with your mouse or finger, typing your name, or uploading an image. Then place it anywhere on the document — drag to position, resize as needed, and download the signed PDF instantly. Perfect for signing contracts, agreements, approval forms, or any document that needs your signature. No registration, no subscription, completely free.

Frequently Asked Questions

Is my signature stored on your servers?

No. PDFWhisker's signature tool runs entirely in your browser. Your PDF and signature are processed locally on your device and are never uploaded to any server.

What ways can I create a signature?

You can draw your signature using a mouse or touchscreen, type your name to generate a stylized signature, or upload an image of your handwritten signature.

Is an electronic signature legally binding?

Electronic signatures are legally recognized in many jurisdictions under laws like the ESIGN Act (US) and eIDAS (EU). However, requirements vary — check your local regulations for specific legal contexts.

Can I add multiple signatures to one document?

Yes. You can place multiple signatures on different pages or different locations within the same page of your PDF document.