MP3

Podcast File Formats: MP3 vs AAC vs WAV (Which Should You Use?)

Choosing the right audio file format is a foundational decision for every podcaster. It impacts upload times, storage costs, listener experience, and even how your episodes get distributed across platforms. The three most common formats—MP3, AAC, and WAV—each have unique strengths and trade‑offs. In this guide, we’ll dive deep into their technical differences, practical use cases, and give you a clear recommendation for every part of the podcasting workflow.