Free tools

Free online audio tools, for voice and music.

Cut, join, convert and clean up sound files in your browser. Record your voice, remove background noise or vocals, change pitch and speed, and find a song's tempo and key.

69 free audio tools

Free, no sign-up, in your browser.

Mic test

Level meter, clipping, room noise and playback.

Voice recorder

Record, trim the ends and save MP3 or WAV.

Speaker test

Left and right, phase, and a bass to treble sweep.

Decibel meter

How loud the room is, in dB.

Hearing test

The highest and lowest tones you hear.

Audio converter

MP3, WAV and OGG, from M4A, FLAC, WAV or a video's sound.

WMA to MP3

Windows Media music to MP3.

MP4 to MP3 converter

Pull the sound out of a video or screen recording and save it as an MP3.

Add audio to an image

A picture and a sound file become an MP4.

Bleep censor

Swear words beeped automatically.

Music visualizer

A song into a moving video.

Text to speech AI

Natural voices in 9 languages, saved as MP3 or WAV.

Audiobook maker

EPUB or text to MP3s, chapter by chapter.

PDF to audio

Hear any PDF read aloud, saved as MP3.

Multi-voice text to speech

A voice for each speaker in your script.

AI voice over

Timed lines read over your video.

Audio description generator

AI describes each shot, a voice reads it.

AI podcast generator

Text to a two-host podcast.

Audio to text AI

Transcribe a recording, with times, SRT or VTT.

Voice typing

Talk, and your words are typed.

Meeting notes

Summary and actions from a recording.

Podcast show notes

Summary and timestamps for an episode.

Speaker identification

Transcripts that say who spoke.

Audio translator

Speech translated, as text or voice.

Spoken language detector

What language is this audio?

AI audio enhancer AI

Clean noise out of a voice and even the level.

Remove background noise AI

Fan, hum and hiss out of audio or a video.

Vocal remover AI

Instrumental and acapella from any song.

Lyrics transcriber

Lyrics from a song, synced LRC too.

Acapella extractor AI

The vocals of a song on their own.

Stem splitter AI

Vocals, drums, bass and the rest as four tracks.

Audio to MIDI AI

A melody or a piano take as a MIDI file.

Audio to sheet music

A recording written as a score.

BPM finder

The tempo and key of a song, or tap along.

Song key finder

Major or minor, with the Camelot number.

Remove music from video AI

Keep the voices, drop the music.

Add music to video

Put a song under your video and set both volumes.

Increase video volume

Make a quiet recording louder without the crackle.

Remove audio from video

Take the sound out and keep the picture exactly as it was.

Audio cutter

Cut a part of an MP3, WAV or a video's sound and save an MP3.

Filler word remover

Cut um, uh and long pauses.

Ringtone maker

Up to 30 seconds as an iPhone M4R or an MP3.

Audio joiner

Several sound files into one MP3.

MP3 splitter

Cut a long recording into MP3 parts.

Pitch changer

Change the key of a song without changing its speed.

Voice changer

Robot, deep, chipmunk and seven more voices.

Karaoke maker AI

Take the voice out with AI, time the lyrics, get a video.

Audiogram maker

A podcast clip as a video with a moving waveform.

Guitar tuner

Tune a guitar, bass or ukulele with your mic.

Metronome

Steady clicks, accents, tap tempo, a speed trainer.

Volume booster

Make a quiet MP3 or recording louder.

Bass booster

More low end, heard live.

Audio equalizer

Ten bands, live, with presets.

Loudness normalizer

Set any file to -14 or -16 LUFS.

Tone generator

Any frequency, sweeps, and white, pink or brown noise.

Reverse audio

Play a song or voice backwards.

MP3 compressor

A smaller MP3 at the bitrate you pick.

Audio speed changer

Faster or slower, with the pitch kept or not.

Nightcore maker

Faster and higher, with bass and reverb.

Slowed and reverb

Slower, deeper, with a long reverb.

8D audio converter

Sound that circles your head.

Spectrogram

See the frequencies in a sound.

Virtual piano

Play, record and save WAV.

Chord finder

Notes, piano and guitar shapes.

Drum machine

16 steps, eight drums, WAV or MIDI.

Song maker

Click notes, save WAV or MIDI.

Sound effect generator

Game and UI sounds, WAV.

Binaural beats

Two tones, one beat, with noise.

White noise generator

White, pink or brown, with a timer.

Guide

Which one to use.

Edit and convert

Audio cutter trims a sound file, Audio joiner puts several together, and MP3 splitter cuts one long file into parts. Audio converter, WAV to MP3, M4A to MP3 and the other converters change the format. MP3 compressor makes a file smaller.

Clean up a voice

Remove background noise takes out hum and hiss, Audio enhancer evens out the level, Loudness normalizer sets a steady volume for podcasts and video, and Filler word remover cuts the ums.

Music

Vocal remover and Stem splitter separate a song into parts, Pitch changer and Audio speed changer change key and tempo, and BPM finder and Song key finder tell you both. Guitar tuner, Metronome and Virtual piano help you play.

Questions

Good to know.

Are my sound files uploaded?

The audio tools work inside your browser tab. Tools that use an AI model, such as the vocal remover, download the model to your browser once.

How do I convert a voice memo to MP3?

Voice Memos on an iPhone and a Mac saves M4A files. Drop one on M4A to MP3.

Which tool removes background noise?

Remove background noise. For a whole recording that also needs even volume, try the audio enhancer.

Can I record audio here?

Yes. The voice recorder records your microphone and saves MP3 or WAV.