You can’t permanently download MP3s for free, but you can on free tiers of these apps (with limitations):

Historically, the early 2000s saw a boom in unauthorized file-sharing sites (like the original Napster or Limewire). However, today, downloading copyrighted music for free from unauthorized sources is illegal in most jurisdictions and violates intellectual property rights. Beyond the legalities, these "free download" sites are often riddled with dangers:

Why do people still search for MP3 downloads in the era of Spotify? The answer lies in permanence. Streaming services can remove songs, licenses can expire, and platforms can shut down. Having an MP3 file means you own the song forever. It allows you to create personal mixtapes for weddings, road trips, or nostalgic evenings.