Sign PDF
Add a digital signature to your PDF document.
Select PDF File
or drag & drop PDF here
About Sign PDF Online
Add digital signatures (e-signatures) to your PDF documents easily, quickly, and securely online.
How to Use Sign PDF
Select PDF Document
Upload the PDF file that needs your signature.
Draw or Add Signature
Draw your signature using a touch screen, mouse, or upload a pre-drawn PNG signature.
Position & Download
Place the signature on the document layout and download the signed PDF.
100% Secure & Private
Your files are processed locally in your browser. No data is uploaded to our servers.
Super Fast & Lightweight
Processing runs instantly using local WebAssembly, bypassing server queues.
Free & No Watermark
All PDF tools are accessible for free without watermark, limits, or registration.
Frequently Asked Questions (FAQ)
No. Your signature drawing is rendered locally in the browser memory. We do not store or transmit your signature.
Yes, you can create and place multiple signature objects on any page.