Sign PDF files

Add your signature to any PDF. Draw, type, or upload — free and private.

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Tips
  • Use your finger on a touchscreen to draw a natural signature.
  • Upload a PNG with transparent background for the cleanest result.
  • The signed PDF never leaves your browser.

How to use

1
Upload your PDF

Select the PDF you need to sign.

2
Create your signature

Draw with your mouse or touch screen, type your name, or upload a signature image.

3
Place and download

Drag the signature to the correct position and download the signed PDF.

Why use OfflinePDFy?

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100% Private

Files never leave your device. Zero uploads.

Instant & Free

No account, no subscription, no limits.

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Works Offline

Install as a PWA and use without internet.

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Any Device

Works on desktop, tablet, and mobile.

Frequently asked questions

Is the electronic signature legally valid?+

This tool creates a visual signature. Legal validity depends on your jurisdiction and document requirements.

Can I sign a PDF on mobile?+

Yes. The tool works on smartphones and tablets. Draw your signature with your finger.

Are signed PDFs watermarked?+

No. The downloaded PDF contains only your signature — no watermarks are added.

Is signing a PDF free?+

Yes, completely free with no account required.

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