How to use the Sign PDF
- Upload the PDF you need to sign
- Draw or type your signature, then click the page to place it
- Download the signed PDF
About this tool
Add your signature to a PDF online. Draw or type a signature, place it on any page and download the signed document. Sign PDF is part of ToolNest's collection of free pdf tools. All processing happens locally in your browser, so your files stay private and nothing is uploaded.
Frequently asked questions
Is the Sign PDF free to use?
Yes. Sign PDF on ToolNest is completely free, with no sign-up, no watermark and no daily limits.
Are my files uploaded to a server?
No. Sign PDF processes your files directly in your web browser on your own device. Your files are never uploaded, stored or seen by anyone, which makes it safe for private and confidential documents.
Is there a file size limit?
There is no fixed limit, but very large files depend on your device's memory and speed. Files up to a few hundred MB usually work well on a modern computer.
Does Sign PDF work on mobile phones?
Yes. ToolNest works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux. There is nothing to install.