Add your signature to any PDF document
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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.
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.
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.