
Description: multiConvert is a free and open source batch audio converter that supports over 40 audio formats. It allows converting multiple audio files in bulk between formats like MP3, WAV, FLAC, M4A, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ConvertAll is a free online unit conversion tool that allows users to quickly convert between thousands of units in various categories like length, volume, temperature, speed, etc. It has a simple interface for fast conversions on the go.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API