All Free Audio Tools
Every tool runs entirely in your browser. No uploads, no accounts, no watermarks.
Analysis & Measurement
- Key FinderFind the musical key and Camelot code of any song in your browser. Nothing is uploaded.
- Loudness MeterMeasure LUFS, loudness range and true peak, and see if a track or podcast is too quiet, too loud or clipping. Nothing is uploaded.
- Mic TestMeasure your mic's noise floor, plosive energy and sibilance frequency live. Nothing is recorded or uploaded.
- Sound TestCheck speakers or headphones: left and right channels, stereo panning, polarity and a frequency sweep up to your browser's top frequency.
Audio Separation
Studio Calculators
Recording
Audio Processing
- Pitch ChangerChange a song's pitch by semitones and cents, or its speed, without changing the other. Nothing is uploaded.
- Voice ChangerRecord your voice or open a file, apply a pitch or effect preset, and download the result as WAV. Nothing is uploaded.
- Slowed + Reverb MakerSlow a song down and add reverb, or make a nightcore or 8D audio version, then download it as WAV. Nothing is uploaded.
- Audio to MIDITurn a recording of one voice or one instrument into notes, check them on a piano roll and download a MIDI file. Nothing is uploaded.
- MP4 to MP3Extract the sound from an MP4, MOV or WebM video and save it as MP3 or WAV. Nothing is uploaded.