---
title: XPCOM guide
slug: Mozilla/Tech/XPCOM/Guide
tags:
  - Landing
  - Mozilla
  - NeedsTranslation
  - TopicStub
  - XPCOM
translation_of: Mozilla/Tech/XPCOM/Guide
---
<p><span class="seoSummary">These articles provide tutorials and usage documentation for XPCOM, including how to use it in your own projects and how to build XPCOM components for your Firefox add-ons and the like.</span></p>
<p></p><div class="row topicpage-table">
    <div class="section"><dl><dl><dt class="landingPageList"><a href="/es/docs/C%C3%B3mo_crear_un_componente_XPCOM_en_JavaScript">Cómo crear un componente XPCOM en JavaScript</a></dt><dd class="landingPageList"></dd></dl></dl></div>
    <div class="section"><dl><dt class="landingPageList"><a href="/es/docs/Creaci%C3%B3n_de_Componentes_XPCOM">Creación de Componentes XPCOM</a></dt><dd class="landingPageList"></dd></dl></div>
    </div><p></p>