Audio Tools

Free, private audio tools that run entirely in your browser — convert a compressed MP3 into an uncompressed WAV file, or slow down a song, recording, or video's audio while keeping or dropping its pitch. No upload, no account. More audio utilities will land here as they ship.

7 tools available

MP3 to WAV

Convert MP3 audio to uncompressed WAV

How MP3 to WAV works?

Slow Down Audio

Slow down audio or video, keeping or dropping pitch

How Slow Down Audio works?

Voice Recorder

Record your voice in-browser, then download it

How Voice Recorder works?

White Noise Generator

Play white, pink & brown noise to mask distractions

How White Noise Generator works?

Guitar Tuner

Tune a guitar by ear with your microphone — many tunings

How Guitar Tuner works?

Audio Oscilloscope

See live audio waveforms from your mic or a file

How Audio Oscilloscope works?

Audio Spectrum Analyzer

See live frequency peaks and notes, mic or file

How Audio Spectrum Analyzer works?

Every tool runs in your browser — no upload, no account, free.