Sign PDF — Free Online PDF Tool

Add your electronic signature to any PDF. Draw, type, or upload a signature image. Free, no registration, works in browser.

How to use

  1. Upload your PDF
  2. Create your signature by drawing, typing, or uploading an image
  3. Place signature on the document and download

FAQ

Is an electronic signature legally valid?
Simple electronic signatures are legally valid for most everyday contracts in the EU under eIDAS. For high-risk legal documents, a qualified signature (QES) may be required.
Can I add multiple signatures?
Yes — add as many signature fields as needed.
Does the signature get embedded permanently?
Yes — the signature is flattened into the PDF.
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