THE AUDIO TOOLBOXA clearer picture
A clearer picture
of your sound.
No account. No subscription. Focused tools for the small tasks between your mix and its release.
LUFS meter
Measure integrated loudness and true peak with FFmpeg's EBU R128 loudness analysis.
Loudness penalty checker
Estimate how streaming normalization changes the playback level of your master.
BPM finder
Estimate tempo from an audio file's rhythmic energy in your browser.
Musical key finder
Estimate a track's key from its pitch-class energy, without uploading it.
MP3 tag editor
Write title, artist and album ID3 metadata into an MP3 file.
Audio format converter
Convert WAV, MP3 or FLAC to WAV, MP3 or FLAC without an account.