---
title: "Tassos Marinos - Developer of Joomla Extensions - Web Design & Development"
description: "We build advanced Joomla extensions to help your business grow"
url: "https://www.tassos.gr/"
date: "2026-07-04T18:05:25+00:00"
language: "en-GB"
---

# The home of powerful Joomla tools

We build advanced Joomla extensions to help your business grow

 [ ![Convert Forms - The #1 Joomla Contact Form Builder Extension](https://www.tassos.gr/images/joomla-extensions/convert-forms/banner.png) ](https://www.tassos.gr/joomla-extensions/convert-forms)

  Convert Forms

##  The #1 Joomla Contact Form Builder Extension

 Create contact forms, payment forms, registration forms, calculator forms with the most user-friendly Joomla contact form builder extension.

 [ Get Started with Convert Forms ](https://www.tassos.gr/joomla-extensions/convert-forms)

 [ 5.0 stars from 973 reviews ](https://extensions.joomla.org/extension/convert-forms/#reviews)

 [ #2 on JED ](https://extensions.joomla.org/browse/top-rated/ "Ranks #2 among the top-rated Joomla! extensions in the Joomla! extensions directory.")

 [ ![EngageBox - The #1 Joomla Popup Builder Extension](https://www.tassos.gr/images/joomla-extensions/engagebox/banner.png) ](https://www.tassos.gr/joomla-extensions/engagebox)

  EngageBox

##  The #1 Joomla Popup Builder Extension

 Create smart popups, sticky bars, fullscreen messages and floating buttons. Convert your traffic into customers and subscribers.

 [ Get Started with EngageBox ](https://www.tassos.gr/joomla-extensions/engagebox)

 [ 5.0 stars from 567 reviews ](https://extensions.joomla.org/extension/engage-box/#reviews)

 [ #6 on JED ](https://extensions.joomla.org/browse/top-rated/ "Ranks #6 among the top-rated Joomla! extensions in the Joomla! extensions directory.")

 [ ![Google Structured Data - Schema and Structured Data Extension for Joomla](https://www.tassos.gr/images/joomla-extensions/google-structured-data/banner.png) ](https://www.tassos.gr/joomla-extensions/google-structured-data)

  Google Structured Data

##  Schema and Structured Data Extension for Joomla

 Markup your content with structured data and enhance the appearance of your website with rich results. Boost Joomla SEO in a few clicks.

 [ Get Started with Google Structured Data ](https://www.tassos.gr/joomla-extensions/google-structured-data)

 [ 5.0 stars from 311 reviews ](https://extensions.joomla.org/extension/google-structured-data/#reviews)

 [ #17 on JED ](https://extensions.joomla.org/browse/top-rated/ "Ranks #17 among the top-rated Joomla! extensions in the Joomla! extensions directory.")

 [ ![Advanced Custom Fields - The all-in-one Joomla Custom Fields Collection](https://www.tassos.gr/images/joomla-extensions/advanced-custom-fields/banner.png) ](https://www.tassos.gr/joomla-extensions/advanced-custom-fields)

  Advanced Custom Fields

##  The all-in-one Joomla Custom Fields Collection

 Enhance Joomla built-in functionality with a huge collection of custom fields and display additional information to articles and pages easily.

 [ Get Started with Advanced Custom Fields ](https://www.tassos.gr/joomla-extensions/advanced-custom-fields)

 [ 5.0 stars from 151 reviews ](https://extensions.joomla.org/extension/advanced-custom-fields/#reviews)

 All of our extensions, one simple price

 Increase conversions & optimize your site with access to every extension we make now and in the future.

 [ Get Started with Bundle Now ](https://www.tassos.gr/bundle)