TOOLBOX
Drop a track.
See what’s inside.
Length, format, sample rate, tempo, read straight off the waveform. Nothing is uploaded; the file never leaves your browser.
Drop an audio file
MP3 · WAV · M4A · OGG
track.mp3
- LENGTH
- –
- FORMAT
- –
- RATE
- –
- TEMPO
- –
Convert9 TOOLSMP4, WAV, M4A, video, in one format, out another.Cut & join8 TOOLSTrim a clip, split a track, stitch two together, plus silence and speed.Compress & boost5 TOOLSSmaller files, louder mixes, denoise & normalize.Voice & analysis5 TOOLSChange a voice, test a mic, find the key & tempo.
TEST LAB · 5 TOOLS · DRAG TO EXPLORE →
01 / 06
Frequency GeneratorA clean tone from 20Hz to 20kHz.OPEN ↗Stereo TestLeft, right, center and 8D movement.OPEN ↗Hearing TestA quick sketch of what you actually hear.OPEN ↗MetronomeA click that never drifts.OPEN ↗TunerTune in cents, not guesses.OPEN ↗All of Test LabFive tools for ears, gear and rooms.VIEW GROUP ↗

