Audio Editor (based Audacity) is a powerful audio editor to play, import, export, and record a wide range of file formats, including WAV, AIFF, and MP3. The feature-packed software is open-source and free to use. You can even use the tool to edit audio files, mix multiple tracks, apply effects to sound recordings, and do a lot more to create all kinds of music. With this audio editing software, you also enjoy features like the customizable spectrogram mode, frequency analysis, amplitude envelope editor, Bass Boost, VST plug-in effects, Noise Removal, Wahwah, etc.