Audio Tools

Test your microphone and speakers, generate tones and work with audio using your browser's built-in capabilities.

15 free tools · everything runs in your browser

Audio Joiner

Merge multiple audio files into a single track with gapless or custom crossfade, exported as WAV.

Cut the start and end of an audio file with a waveform preview and export the selection as WAV.

Record from your microphone with a live level meter and download clean WAV audio.

Play sine, square, sawtooth or triangle tones at any frequency with volume, stereo pan and duration control.

Web-accurate metronome with BPM from 20 to 300, time signatures, accents and subdivision sounds.

Analyse peak and RMS levels and normalise an audio file to a target dB with preview and WAV export.

Change playback speed or tempo without altering pitch, or shift pitch while keeping speed — with export.

Reverse an audio file completely and play or download the result as WAV.

Apply dynamic range compression with threshold, ratio, attack and release controls and export as WAV.

See live waveform and spectrum bars from your microphone or an audio file, with colour themes.

Tune your guitar or any instrument from your microphone with live pitch detection and cents deviation.

Cut a section of any audio file into a phone-ready ringtone with fade in/out and download.

Remove lead vocals from a song using mid-side phase cancellation and export the instrumental as WAV.

Build drum patterns on a 16-step grid with synthesized kick, snare and hats, BPM control and presets.

Play a two-octave piano with your mouse or computer keyboard — WebAudio synthesis with sustain and volume.