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Frequently Asked Questions

How do I sign a PDF online?
Upload your PDF, then draw, type, or upload your signature. Place it anywhere on the page, preview the result for free, and download your signed PDF. No account or software required.
Is an electronic signature legally binding?
In most cases, yes. Electronic signatures are legally valid in the US (ESIGN Act), the EU (eIDAS), and 60+ countries. Some documents like wills or notarized forms may require additional verification — check with your recipient if unsure.
Where is my file stored?
Your PDF is temporarily stored on secure, encrypted servers for processing only. Files are automatically deleted within 1 hour. We never share, sell, or permanently keep your documents.
Can I sign on my phone?
Yes. pdf.fit works in any modern browser on desktop, tablet, or mobile. You can draw your signature directly with your finger on a touchscreen.