Sign PDF
Sign a PDF by drawing, typing or uploading your signature, then place and size it anywhere on the page. All done in your browser — your document is never uploaded.
Select a PDF to sign
Processed locally in your browser — never uploaded.
Sign a PDF by drawing, typing or uploading your signature, then place and size it anywhere on the page. All done in your browser — your document is never uploaded. Sign PDF is a free, browser-based tool in the Toolsnest pdf tools collection — there is nothing to install, no account to create and no watermark on your results. It works on desktop, tablet and mobile, and because the work happens on your own device it stays fast even with large inputs.
How to use the Sign PDF
- Open the Sign PDF — no sign-up or software download is required.
- Drag and drop your file(s) into the tool, or click to browse and select them from your device.
- Choose any options you need, such as order, quality, page range or output format.
- Click the action button and let the tool process everything locally in your browser.
- Download the finished file. Your originals are never changed or uploaded.
Why use the Sign PDF?
- 100% free with no limits, no sign-up and no watermarks.
- Private by design — your files are processed in your browser and never uploaded to a server.
- Fast and lightweight, with instant results even on a phone or a slow connection.
- Works everywhere — any modern browser on Windows, macOS, Linux, Android or iOS.
- Part of a full pdf tools suite, so related sign pdf tasks are one click away.
Is it private and secure?
Your privacy is built in. The Sign PDF does all processing on your own device using client-side code, so your files are never transmitted, stored or seen by anyone — including us.
Frequently asked questions
How do I sign a PDF?
Draw, type or upload your signature, then click on the page to place it and adjust its size. Download the signed PDF when you’re happy.
Is this a legally binding e-signature?
It adds a visible signature image to the document. For legally binding, certificate-based signatures you need a qualified e-signature provider.
Is my document uploaded anywhere?
No. Signing happens entirely in your browser; your PDF and signature never leave your device.