Tool guide

Sign PDF

Sign PDF helps you handle PDFs quickly in your browser. Draw or upload a signature and sign documents fast. Use it when you need a signed PDF ready to share without installing software or creating an account.

How to use it

  1. 1

    Upload your PDF or drag it into the tool.

  2. 2

    Draw, type, or upload your signature with the settings you need.

  3. 3

    Download the finished file. Your result is a signed PDF ready to share.

Common use cases

  • Sign agreements without printing
  • Approve forms from your phone
  • Add a signature to letters or statements

Questions about this tool

Is Sign PDF free?

Yes. This tool is free to use in your browser.

Will the result keep good quality?

The tool is designed to preserve readability and produce a clean file with a signed PDF ready to share.

Can I use Sign PDF on mobile?

Yes. Uplou works in modern mobile and desktop browsers.

Privacy note

Sign PDF is built for private, lightweight file work. When a task can run in the browser, your PDF stays on your device. When cloud processing is needed, files are handled securely and deleted automatically after processing.