PDFSign

Sign any PDF in 60 seconds. Offline. No Java. No plugins.

Productivity Legal Human Resources发布于 2026年5月5日

什么是 PDFSign？

Every PDF signing tool I tried needed Java, browser plugins, or cloud uploads. I built PDFSign.in to fix that. Native Windows app. Plug in your USB certificate token. Sign in 60 seconds. Or embed a signature/stamp image — no token needed. ✅ 100% offline — files never leave your PC ✅ Batch-sign hundreds of PDFs ✅ No Java. No plugins.NET 10. ✅ RFC 3161 timestamp + PDF encryption 30-day free trial. Now on Microsoft Store.

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