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 AI, without uploading it.
- Online Voice TypingSpeak and the text types itself: continuous voice typing in over 30 languages and variants, with punctuation commands, copy and .txt export.
- Read Text AloudHave any text read aloud, with the voice and speed of your choice.
- Free AI Voice GeneratorTurn text into a realistic AI voice right in your browser, then download the audio as an MP3 or WAV file.
- Online Voice RecorderRecord your voice with the mic, play it back, and download it as MP3, with nothing to install.
- Remove Background Noise From AudioReduce hiss, fan noise, hum and background noise in an audio recording or a video, and compare before and after by ear.
- 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.
- Merge MP3 FilesJoin several audio files (MP3, M4A, WAV, WhatsApp voice messages) into one, with a crossfade or a silence between tracks.
- 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.
- Audio ConverterFree online audio converter for all formats: MP3, WAV, M4A, FLAC, OGG, Opus, AAC, AIFF, M4R, MP2 and WMA, with control over quality, sample rate, fades and tags.
- MP3 to WAV ConverterConvert MP3 files to 16- or 24-bit WAV at the sample rate you choose, for editing software, a USB stick or a CD. Several files at once.
- Compress AudioShrink an audio file (MP3, M4A, WAV, FLAC…) for WhatsApp, email or Discord: an MP3 at the size you need, with a mono option for voice.
- 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.
Edit audio
- Audio Speed ChangerSpeed up or slow down an MP3, a voice memo or a song from 0.25× to 3×, with or without changing the pitch, and hear the result before you download it.
- MP3 Volume BoosterIncrease or lower the volume of an MP3 or any audio file by up to +500%, with a limiter to prevent distortion, or normalize it to streaming or podcast loudness.
- Online Audio Equalizer10-band online equalizer: boost the bass, make a voice clearer or soften the treble of an MP3 with 16 presets, live listening and MP3, WAV or M4A export.
- Reverse AudioPlay an MP3, a voice memo or a song backwards in one click: listen to the result, compare it with the original and download the reversed audio.
Music
- Vocal RemoverRemove the vocals from a song with AI: get an instrumental for karaoke or an a cappella vocal track, as MP3 or WAV, without uploading anything.
- Pitch ChangerTranspose a song from −12 to +12 semitones without changing its speed, or change its speed without changing the key. MP3, WAV or MP4 output.
- 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.