How to Compress MP3 & Audio Files (Reduce Podcast & Voice Note Size)

Published: 2026-02-05 | Read Time: 3 min read

Shrink MP3, WAV, and M4A audio files by up to 75% by adjusting bitrate (from 320kbps to 128kbps) and converting stereo voice tracks to mono.

Frequently Asked Questions

What is the best bitrate for spoken word podcasts?

64 kbps to 96 kbps in Mono provides crystal clear speech clarity while reducing file size by 70% compared to 320 kbps stereo.