Capture an MP3 music file from Spotify for enjoying offline but the volume of its soundtrack is too low to hear unless you raise the playback volume every time? Is there any straightforward method to increase MP3 volume once and for all? Actually, permanently boosting the audio volume is no big deal. With the volume maximizer, it can be done without making much effort. In the following, 4 sought-after audio volume editors are enumerated to show how to turn up the volume of an MP3 audio file.