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.