Audio

Audio tools: convert and edit sound files

Every audio tool on OpenTools. Convert and edit MP3 and other sound files in your browser, with the recording staying on your own machine.

All 3 of them are listed below. Each one runs inside this tab, so nothing you open or type is uploaded — see the proof.

• Audio Loudness & Delivery CheckMeasure ITU-R BS.1770-4 integrated LUFS, true peak (dBTP), loudness range (LRA), and noise floor against streaming and ACX standards.
• Audio to WAV converterConvert M4A, FLAC, OGG, AIFF or MP3 to WAV, with trimming, fades and levelling.
• MP3 toolkitCut, join, tag and inspect MP3s by copying frames — no re-encoding.