Sign PDF

Draw your signature and apply it to your PDF document. 100% Client-Side.

100% BROWSER-BASED

Click to upload PDF

Draw signature below

Draw Signature

/ HOW TO USE

How to Use Sign PDF

This tool runs entirely in your browser. Upload your file, make your changes, and download the result. Your files never leave your device — everything is processed locally for maximum privacy.

/ FEATURES

Key Features

100% Client-Side Processing

No File Size Limits

Completely Free

Privacy Focused

Instant Results

Works Offline

/ USE CASES

Common Use Cases

—Sign contracts and agreements electronically
—Add your signature to forms
—Approve documents digitally
—Create legally binding electronic signatures

/ FAQ

Frequently Asked Questions

Is the signature legally binding?

Electronic signatures created with this tool can be legally binding in many jurisdictions. However, legal requirements vary by location and document type. Consult legal counsel for specific use cases.

/ YOUR PRIVACY

Your Privacy is Guaranteed

Unlike other tools that upload your files to servers, ToolBox processes everything locally in your browser.

No server uploads

Instant processing

Works offline