Sign PDF Documents Online
Draw and apply your visual handwritten signature directly to your documents. Lightning fast and 100% secure on your local device.
File Ready to Sign:
Stamps today's date neatly underneath the signature.
Your signature is embedded directly on your device. Never transmitted or saved externally.
How to Sign PDF Documents Online
Sign contracts, forms, and letters in three simple steps.
Upload File
Choose a PDF document from your phone or computer, or drag it straight into the drop area.
Draw & Position
Draw your signature using touch or mouse, select ink color, target page, and preferred corner placement.
Sign & Save
Click "Sign & Download PDF". The visual signature is embedded directly, and your file downloads instantly.
Why Use Our In-Browser PDF Signature Tool?
Strict Data Privacy
Zero file uploading. Your sensitive legal contracts, NDAs, and signatures are processed exclusively in your device's browser memory.
Touch & Stylus Friendly
Smooth line-smoothing canvas designed for fluid touch drawing on mobile screens, tablets, or stylus pens.
Completely Unrestricted
No account required, no subscription paywalls, no monthly signature caps, and zero watermarks added to your documents.
Frequently Asked Questions
Answers to common questions about signing PDF documents.
Is it safe to sign confidential PDF documents on MySuperPDF?
Yes, 100% safe. All drawing rendering and PDF file modifications happen locally in your web browser using JavaScript and PDF-Lib. Your files and signatures are never sent to or stored on external servers.
Can I sign PDF documents using my finger or stylus on mobile devices?
Yes. The signature pad supports responsive touch events, allowing you to sign smoothly using your finger, Apple Pencil, or stylus on smartphones, tablets, and touch-screen laptops.
Where on the document can I place my signature?
You can position your signature in any common spot: Bottom Right, Bottom Left, Bottom Center, Top Right, or Top Left, and specify any page in a multi-page document.
Can I include an automatic date stamp with my signature?
Yes. Keep the 'Include Date Stamp' option enabled, and the tool will automatically print today's date neatly underneath your handwritten signature.
Is this electronic signature tool free to use?
Yes, the tool is completely free with no usage limits, no account registrations, and no watermarks added to your signed files.