---
title: "How can I perform a digital signature with Web PKI?"
description: "Answers how to perform a digital signature with Web PKI by pointing to the Web signatures article."
canonical: "https://docs.lacunasoftware.com/en-us/articles/web-pki/faq/digital-signature"
locale: "en"
product: "Web PKI"
last_updated: "2026-10-12"
---

# How can I perform a digital signature with Web PKI?

See article [Web signatures](https://docs.lacunasoftware.com/en-us/articles/pki-guide/web-signatures).

**Demos and samples**

- Live demo: [Sign a file with your certificate](https://try.lacunasoftware.com/en/pki-suite/sign-a-file)
- Sign a local PDF in the browser with Web PKI: [.NET](https://github.com/LacunaSoftware/PkiSuiteSamples/blob/master/dotnet/mvc/PkiSuiteAspNetMvcSample/Controllers/PadesSignatureWebController.cs)
- Sign a local file with CAdES in the browser using Web PKI: [.NET](https://github.com/LacunaSoftware/PkiSuiteSamples/blob/master/dotnet/mvc/PkiSuiteAspNetMvcSample/Controllers/CadesSignatureWebController.cs)