
Description: Birdie XLSX to XLS Converter is a software tool that allows users to convert Excel files from the newer XLSX format to the older XLS format. It provides a simple interface for batch converting multiple files at once.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: The File Converter is a free online tool that allows you to quickly and easily convert files between various formats. It supports converting documents, images, audio, video, archives, and more between over 1200 different file types.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API