Free Sign PDF – Add Your Electronic Signature Online

Draw, type, or upload your signature and place it on any PDF page. Legally binding, secure, and private. No uploads, no limits.

✓ Draw / Type / Upload ✓ Place Anywhere ✓ 100% Private ✓ Free Forever

Drop PDF here to sign

or click to browse

Single PDF file • Unlimited pages • No upload

Why Sign PDFs with ZeroPDF?

Add secure, professional signatures without printing, scanning, or uploading your files.

Draw Your Signature

Use your mouse, trackpad, or touch screen to sign naturally. The signature is saved as a crisp image.

Type or Upload

Choose from signature‑style fonts and type your name, or upload an image of your real signature.

100% Private

Your PDF and signature never leave your device. The entire signing process is local and secure.

How to Sign a PDF

Upload PDF

Drag & drop your document

Create Signature

Draw, type, or upload

Place & Adjust

Click the page to add signature

Save Signed PDF

Download your signed document

Frequently Asked Questions