
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: FileZigZag is a free file converter and editor that supports over 200 file formats. It can convert documents, images, audio, video, ebooks, and archives. Key features include batch conversion, merging files, editing documents and images, annotating PDFs, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API