Sign PDF

Add your signature to any PDF document

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Free Online PDF & Image Tools — Edit, Convert, Compress

All PDF Tools

How to Sign a PDF Online

  1. Upload your PDF — drag and drop or click to browse for the document you need to sign.
  2. Create your signature — draw with your mouse or touchscreen, or type your name to generate a signature.
  3. Download signed PDF — your signature is embedded into the PDF. Download the signed document.

Why Luleit's PDF Signer is Different

Frequently Asked Questions

Where does my PDF go when I sign it?+

Nowhere. The signing happens in your browser using JavaScript — your PDF never touches our servers, never gets uploaded, never gets stored. Your signature image stays in your browser too. Once you close the tab, everything is gone from memory; we have no copy.

Is this PDF signer really free, with no catch?+

Yes — no signup, no email required, no watermarks, no page limits, no daily quota, and no upsell for a paid tier. The tool runs entirely in your browser using free, open-source JavaScript libraries, so we have no server costs to recover. Your privacy IS the business model: we collect nothing because we have no use for it.

Are signatures from this tool legally binding?+

In most jurisdictions, yes — under the U.S. ESIGN Act, EU eIDAS, and similar laws, digitally-applied signatures are typically legally binding for ordinary contracts. Government documents, real estate, and notarized agreements may require additional procedures (qualified electronic signatures, notarization) — check your specific use case.