Quick answer: to sign a PDF without printing, open our Sign PDF tool, draw your signature with mouse or finger, choose the page and position, and click Add Signature. In-browser, no upload, no account.
How to Sign a PDF on Your Phone or Computer
- Open the Sign PDF tool.
- Choose your PDF.
- Draw your signature in the pad — finger on mobile, mouse on desktop.
- Choose the page number and position (like bottom right).
- Click Add Signature — signed.pdf downloads with your signature placed.
Is This Legally Binding?
This creates a visual signature image on your document — suitable for informal agreements, internal forms, and personal paperwork. For contracts requiring legally binding e-signatures with audit trails and certificates, use a dedicated e-signature service instead.
Signing Questions
Can I sign on my phone?
Yes, draw with your finger directly on the touchscreen — works identically to a mouse.
Is my document uploaded?
No, the signature and PDF are combined entirely in your browser.
Can I resize my signature?
Yes, use the size slider before placing it.
✨ Try it now — free & private
Draw your signature with your mouse or finger, then place it anywhere on any page of your PDF. Download the signed document instantly — no upload, no account, no printing.
✍️ Open Sign PDF →