
Description: 4k YouTube to MP3 is a free web-based tool that allows you to convert and download YouTube videos as MP3 audio files. It supports extracting audio from YouTube videos up to 4K resolution.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Free MP3 Recorder for YouTube is a free web-based tool that allows you to record audio from YouTube videos and save it as MP3 files. It provides an easy way to download just the audio portion of videos for listening offline.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API