Upload a PDF, draw your signature with a mouse or finger (or type your name in a cursive style), then drag it directly onto a live preview of the page and resize it to fit. Switch between pages for multi-page documents, then download a signed copy of the PDF — everything renders and merges entirely in your browser, so the file is never uploaded.
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Upload a PDF, draw your signature with a mouse or finger (or type your name in a cursive style), then drag it directly onto a live preview of the page and resize it to fit. Switch between pages for multi-page documents, then download a signed copy of the PDF — everything renders and merges entirely in your browser, so the file is never uploaded.
Whether you're a professional or just need a quick result, the PDF Sign gives you a fast, reliable documents tool that works instantly in your browser. There's no software to install and nothing to sign up for — open the page, get your result and move on. Because everything runs on your own device, it's private by default and available whenever you need it.
The PDF Sign is part of TechToolsCenter — a free, privacy-first collection of 126+ online tools. Everything runs 100% in your browser, so your data stays private and results are instant.
Input
Output
Formats
Upload a file or paste your text. Processing happens locally in your browser, so nothing is uploaded to a server.
Set the options for your task — pages, order, format or quality — and watch the preview react in real time.
Apply the change. Large files are handled entirely on your device for speed and privacy.
Save the finished file. There are no watermarks and no limits on how often you can use it.
Tips
Common mistakes
Best practices
Input
File upload — e.g. sign pdf online free
Output
PDF, generated instantly in your browser
No — this places a signature image you draw or type onto the PDF page itself. For legally binding e-signatures with an audit trail, use a certified e-signature provider.
It's free, private and works instantly — no sign-up required.
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