Guides

Practical, tool-agnostic explanations of the audio jobs people actually do: cutting, joining, converting, cleaning up and recording.

• How to trim an MP3 without making it worseCut the start or end off an MP3 while keeping the original quality, and understand why some tools make the file bigger.
• How to merge audio files so the joins are invisibleCombine MP3s, WAVs or mixed formats into one track, handle different sample rates and volumes, and choose the right crossfade.
• WAV to MP3: which bitrate, and when not to convert at allTurn uncompressed WAV into MP3 without guessing. Bitrate, CBR vs VBR, sample rate, tags, and the cases where you should keep the WAV.
• How to extract audio from a video without re-encodingPull the soundtrack out of an MP4, MOV, WebM or MKV in seconds by copying the audio track, and know when converting to MP3 is actually worth it.
• How to remove background noise from a recordingFan hum, room tone, traffic and keyboard clatter each need a different fix. What neural noise suppression does well, what it cannot fix, and how to record so you need less of it.
• How to record audio in your browser and get a clean takeMicrophone permissions, levels, mono versus stereo, which format to save, and how to trim the silence — everything between pressing record and having a file you can use.