Free audio and music tools
Transcribe a recording to text, have a text read aloud, record or change your voice, and trim and convert your audio files. For music, tune your guitar, practice with a metronome or learn to read notes. Everything happens in your browser.
Voice and transcription
- Transcribe Audio to TextTranscribe an audio or video file to text with Whisper AI, without uploading it.
- Read Text AloudHave any text read aloud, with the voice and speed of your choice.
- Online Voice RecorderRecord your voice with the mic, play it back, and download it as MP3, with nothing to install.
- Voice ChangerTurn your voice into a robot, helium, monster or alien voice, from your microphone or an audio file.
Audio files and sounds
- MP3 CutterKeep the best part of a song and download it as MP3, or as M4R to make an iPhone ringtone.
- Convert Audio to MP3Convert your M4A, WAV, FLAC, OGG, OPUS, AAC, WMA or AMR files to MP3 at 128, 192 or 320 kbps, several at a time.
- Tone GeneratorPlay a tone at any frequency from 20 to 20,000 Hz to test audio equipment, check your hearing or match a tinnitus pitch.
- White NoiseWhite, pink or brown noise, rain, waves, fan, heartbeat or shushing: mix the sounds and set a sleep timer.
Music
- Guitar TunerTune your guitar with the mic: detected note, needle, and offset in cents.
- Online MetronomeA precise metronome from 30 to 250 BPM, with time signatures, accent, subdivisions, and tap tempo.
- Online PianoA 3-octave virtual piano you can play with your mouse, your fingers, your computer keyboard or a MIDI keyboard, with songs to learn.
- Note Reading PracticePractice reading music notes in treble clef and bass clef, with instant feedback and the sound of each note.
Frequently Asked Questions
How can I convert audio to text for free?
Use "Transcribe audio to text": the transcription happens in your browser, without uploading the recording to a server.
Which audio formats are supported?
Common formats such as MP3, WAV, M4A, OGG and AAC. "Convert to MP3" turns any of them into an MP3 that plays everywhere.
Do the music tools work with the microphone?
Yes. The guitar tuner uses your device's microphone once you allow it. The sound is never recorded or sent anywhere.