Audio guides
Practical, jargon-free guides to working with audio, from choosing the right file format to making a karaoke track or getting your podcast to the right loudness. Each guide explains the why as well as the how, and links to a free tool so you can try it straight away.
What Are Stems in Music?
Stems explained: what they are, how AI extracts them from finished songs, and what you can do with them.
PodcastingPodcast Audio Checklist
From recording settings to export: a practical checklist for clean, consistent podcast episodes.
FormatsMP3 vs WAV vs FLAC (and AAC, OGG, Opus)
Which audio format to use for listening, editing, archiving and sharing, explained without jargon.
Mixing & masteringLoudness Normalization Explained
Peak vs LUFS normalization, true peak, and the loudness targets of streaming platforms in plain English.
Vocals & stemsHow to Remove Vocals from a Song
Three ways to make an instrumental, from the old phase trick to modern AI, and how to get the cleanest result.
How-toHow to Reduce Audio File Size
Five techniques to shrink audio for email, chat apps and uploads, and how much each one saves.
How-toHow to Make a Ringtone from Any Song
Cut the perfect 30-second clip, then install it on iPhone or Android, with no app purchase needed.
FormatsBitrate, Sample Rate & Bit Depth Explained
What kbps, kHz and bits really mean, how they affect quality and size, and which settings to use.
Looking up a term?
Our audio glossary defines the words you'll meet in these guides, from bit depth to true peak, in a sentence or two each.
Every guide is written and reviewed by the All Audio Tools editorial team and updated when platforms or best practices change. Read about our editorial standards.