
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: FF Multi Converter is a free software that can convert audio, video, document, ebook, archive, image, and other files between various formats. It supports batch conversion and has a simple interface for adding files, selecting output format, and starting conversion.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API