
Description: 123Convert is a free online file conversion utility that supports converting documents, images, audio, video, archives, and various other file formats. It offers batch conversion and allows setting output quality for conversions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: youtube-dl is a command-line program that allows downloading videos from YouTube and many other sites. It offers options to download entire playlists and channels and supports various formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API