Guides and tutorials

Clear, tested explanations to get the best sound out of your videos – whether you are on a phone, a computer or a command line.

Complete guide

How to extract audio from a video: 7 free methods (2026)

Online, VLC, FFmpeg, Audacity, QuickTime, iPhone and Android: every free way to pull the sound out of a video and save it as MP3, compared step by step.

9 min read Audio quality

MP3 bitrate explained: 128 vs 192 vs 320 kbps

What does kbps mean, can you hear the difference between 128, 192 and 320 kbps, how big are the files, and which bitrate to choose for speech, music and podcasts.

7 min read Comparison

MP3 vs AAC (M4A) vs WAV vs FLAC vs OGG vs Opus: which audio format?

Lossy or lossless, compatibility, file size and quality: a clear comparison of the six main audio formats to choose the right one for your needs.

8 min read Mobile

How to convert a video to MP3 on iPhone and Android

Step-by-step instructions to turn a video from your phone’s gallery into an MP3, without installing an app – plus where to find the file afterwards.

6 min read Productivity

Turn lectures, Zoom and Teams recordings into audio you can listen to anywhere

How to convert recorded classes, webinars and video calls into small MP3 files for revising on the go, archiving or transcription – with the right settings.

7 min read Copyright

Is it legal to convert videos to MP3? Copyright explained simply

When converting a video to MP3 is perfectly legal, when it is not, and what the rules of YouTube and other platforms say – a plain-language overview (not legal advice).

7 min read Advanced

FFmpeg: extract audio from video – the commands you need

Copy-paste FFmpeg commands to extract audio to MP3, M4A, WAV or FLAC, copy without re-encoding, trim, choose a track, normalize volume and batch-convert folders.