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PDF

Sign a PDF Online

  • Free
  • No sign-up
  • Files stay on your device
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How it works

  1. 01

    Choose or drop your file — or paste with Ctrl+V.

  2. 02

    Adjust settings if needed and click “Sign PDF”.

  3. 03

    Download the result or continue with another tool.

  • Private: works in your browser
  • No sign-up, no watermark
  • Works on phone and desktop
  • Free with generous limits

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About: Sign PDF

Sign PDF — a free online tool. Works in any browser, no sign-up.

This tool is part of the “Edit & sign” section in PDF. You can chain it with other X2TOOL tools: after processing, continue with the same file without downloading it.

This tool runs entirely in your browser: nothing is uploaded, so it is fast and fully private. It works on Windows, Mac, Android and iPhone — nothing to install.

FAQ

The essentials in brief. Didn’t find an answer? Use the feedback form under the tool.

How do I use Sign PDF?

Choose or drop your file — or paste with Ctrl+V. Adjust settings if needed and click “Sign PDF”. Download the result or continue with another tool.

Is Sign PDF free?

Yes. The tool is free with generous daily limits and no sign-up.

Are my files safe?

Yes. Processing happens in your browser — files are never uploaded to our servers.

Does it work on a phone?

Yes, in any modern browser on iPhone, Android, Windows, Mac and Linux.

Do I need to install anything?

No. Everything works online in your browser.

Privacy

Processing happens in your browser — files are not sent to a server. Privacy policy

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