Free Audio Tools & Virtual Instruments
Soundtool is a free browser-based toolkit with 61 audio tools and playable virtual instruments - AI speech-to-text, text-to-speech, voice cloning, noise removal, format conversion and more - with a 14-language interface. Everything runs locally in your browser, so your files never leave your device. No signup, no installation.
Explore All ToolsOne toolkit, every audio task
From text-to-speech to noise generators — 61 free audio tools at your fingertips.
🎼 Virtual Instruments
Virtual Cello Online - Play Free Cello
Play a free virtual cello online - warm, bowed string tones with your mouse, touch or keyboard. Record and export your melodies.
InstrumentVirtual Clarinet Online - Play Free Clarinet
Play a free virtual clarinet online - warm woodwind tones with your mouse, touch or keyboard. Record and export your melodies.
InstrumentVirtual Drums Online - Play Free Online Drum Kit
Play a free virtual drum kit online - kick, snare, hi-hat, toms and cymbals. Record your beat and export it - no download, no signup.
Drums · Percussion · BeatVirtual Flute Online - Play Free Flute & Recorder
Play a free virtual flute online - soft, breathy tones with your mouse, touch or keyboard. Record and export your melodies.
InstrumentVirtual Guitar Online - Play Free Online Guitar
Play a free virtual guitar online - strum chords or pluck strings with your mouse or keyboard. Record and export your playing - no download.
Guitar · Chords · StrumVirtual Harp Online - Play Free Harp
Play a free virtual harp online - bright, glistening plucked strings with your mouse, touch or keyboard. Record and export your melodies.
InstrumentVirtual Kalimba
Play a 17-tine kalimba (thumb piano) with warm plucked tones. Click tines or use keyboard.
Kalimba · Thumb Piano · PluckedVirtual Piano Online - Play Free Piano Keyboard
Play a free virtual piano online with your keyboard, mouse or touch screen. Record and export your melodies - no download, no signup.
Piano · Keyboard · MusicVirtual Saxophone Online - Play Free Saxophone
Play a free virtual saxophone online with your keyboard or mouse. Record your melody and export it - no download, no signup.
Saxophone · Reed · JazzVirtual Trumpet
Play a virtual trumpet with 3 valves and 7 fingerings. Bright brass sound with keyboard support.
Trumpet · Brass · WindVirtual Ukulele
Play a 4-string virtual ukulele with chord buttons and strumming. GCEA standard tuning.
Ukulele · Chords · HawaiianVirtual Violin Online - Play Free Violin
Play a free virtual violin online with your keyboard or mouse. Record your melody and export it - no download, no signup.
Violin · Strings · Bow🎹 Signal Generators
Beat Maker & Drum Machine - 808, 909 Online Free
Free online drum machine with legendary 808, 909 and MPC-style kits. Program beats, record and export your loops - runs right in your browser.
Beat · Drum · PatternBinaural Beats
Generate binaural beats for focus, relaxation, sleep, and meditation.
Binaural · Focus · SleepMetronome
Accurate online metronome with adjustable BPM.
BPM · Beat · PracticeTone Generator
Generate sine, square, sawtooth, and triangle waves.
Sine · Square · TestingWhite Noise Generator
Generate white, pink, and brown noise for sleep.
White · Pink · Brown · Sleep🎤 Speech & Voice
Voice Recorder
Record audio directly in your browser with one click. Download as MP3 or WAV instantly. No installation required.
Audio · DownloadSpeech to Text
Convert your voice to text in real-time.
Voice Recognition · Real-timeText to Speech
Type text and listen to natural speech in 14 languages.
Voice · 14 LanguagesVocal Isolator
Isolate or remove vocals using phase cancellation. Extract instrumentals or a cappella.
Vocal · Isolate · PhaseVoice Changer
Apply fun voice effects including chipmunk, deep voice, robot, echo, and reverb in real time.
Effects · Fun · Real-time🎸 Audio Effects
8D Audio Maker
Make 8D audio: sound that rotates around your head with binaural panning. Turn any song into an immersive 360° experience.
8D · BinauralAI Noise Remover - Remove Background Noise Free Online
Free AI noise remover online: clean hiss, hum, wind, and background noise from audio with a deep neural network running in your browser. No upload, unlimited use.
AI · Noise RemovalAI Speech to Text - Transcribe Audio Free Online
Free AI speech to text: transcribe lectures, interviews, podcasts and meetings with OpenAI's Whisper AI running in your browser. Supports 90+ languages, exports TXT and SRT subtitles. No upload, no account.
AI · Speech to TextAI Text to Speech - Natural Voices Online Free
Free AI text to speech: generate natural English speech with 30+ AI voices (American and British) running in your browser. No upload, no account, unlimited use.
AI · Text to SpeechBass Boost
Boost bass and low-end frequencies in your audio. Make songs punchier, deepen podcasts, and add powerful thump to any track.
Bass · Low EndChorus / Flanger
Thicken audio with chorus or create sweeping flange effects.
Chorus · Flanger · ThickenDelay / Echo
Add delay and echo effects with time, feedback, and mix controls.
Delay · Echo · FeedbackDistortion Effect
Add guitar-style distortion to your audio. Adjust drive, tone, and output for everything from warm crunch to heavy fuzz.
Distortion · Drive · Guitar EffectEqualizer
Adjust audio frequencies with a 10-band visual equalizer.
10-Band · Real-timeFade In/Out
Add smooth fade in and fade out effects to your audio files. Perfect for music, podcasts, and videos.
Fade · Crossfade · Audio EffectsNightcore Maker & Generator - Create Nightcore Online Free
Transform any song into nightcore - the sped-up, high-pitched remix style with a faster tempo. Free nightcore maker in your browser.
Nightcore · RemixPitch Shifter
Change the pitch of audio without affecting speed.
Voice Modulation · MusicAdd Reverb to Audio - Reverb Generator Online Free
Add reverb to audio with room size and decay controls. Simulate halls, rooms, and plates.
Reverb · Hall · Room · PlateSlowed Reverb
Create the slowed + reverb sound that took over TikTok and YouTube. Slow songs down, add deep reverb, and export the dreamy version.
Slowed · ReverbSped Up Audio
Speed up any song or audio file for TikTok and YouTube trends. Create the popular sped up version of tracks in one click.
Speed Up · TikTokSpeed Changer
Speed up or slow down audio without changing pitch.
Slow Down · Speed UpStem Splitter
Split any song into 4 stems - vocals, drums, bass, and other. AI-powered Demucs v4 runs 100% in your browser, no upload.
AI · Stem SeparationVaporwave Maker
Make vaporwave audio: slowed tempo, filtered highs, dreamy reverb. Turn any song into a nostalgic synthwave soundscape.
Vaporwave · AestheticVocal Tuner - Pitch Correction & T-Pain Online
Free AI vocal tuner online: snap off-key singing to the nearest note or musical scale. From subtle polish to the robotic T-Pain effect - runs in your browser, no upload.
AI · TuningVoice to Instrument & MIDI - Hum to Notes Online
Free AI melody converter: hum or sing a tune and hear it as piano, guitar, saxophone, or strings. Pitch detection runs 100% in your browser - no upload, no account.
AI · Melody✂️ Audio Editing
Audio Joiner
Merge multiple audio files into one seamless track. Combine songs, join recordings, and create mixtapes.
Merge · CombineAudio Trimmer
Trim audio with visual waveform. Select start/end points and export.
Trim · Waveform · VisualAudio Compressor
Reduce audio file size by adjusting bitrate.
MP3 · WAV · SizeAudio Converter - MP3 to WAV, FLAC to MP3 & More Free Online
Convert audio between MP3, WAV, OGG, and AAC.
MP3 · WAV · OGG · AACAudio Cutter
Cut and trim audio files with precision.
Trim · PreviewAudio Normalizer
Normalize audio volume to a consistent level.
Loudness · Level · BalanceAudio Reverser
Reverse any audio file instantly. Play sounds backward for creative effects, music production, or audio analysis.
Reverse · Backward · CreativeRingtone Maker & Generator - Create Ringtones Online Free
Create custom ringtones from your audio files.
iPhone · Android · CustomVideo to Audio
Extract audio from any video file. Convert MP4, WebM, MOV to MP3 or WAV — free, fast, and 100% in your browser.
Extract · Convert🎵 Music Tools
Audio Looper
Loop any section of audio seamlessly. Perfect for music practice, beat making, and creating repeating patterns.
Loop · Repeat · PracticeBPM Detector & Key Finder - Song Tempo Online Free
Detect the beats per minute (BPM) of any song instantly. Analyze audio files to find tempo for DJ mixing and music production.
BPM · Tempo · Beat DetectionKaraoke Maker
Remove vocals from songs to create karaoke tracks.
Vocal Remover · InstrumentalInstrument Tuner
Tune your instrument with real-time pitch detection. Supports guitar, violin, ukulele and more.
Tuner · Pitch · Instrument🛠️ Utility Tools
Audio Visualizer
See your audio with real-time frequency bars, waveform, and spectrogram.
Visualizer · Spectrum · WaveMorse Code
Convert text to Morse code audio or decode Morse code back to text.
Morse · Encode · DecodeNoise Remover & Reducer - Clean Up Audio Online Free
Reduce background noise and hum from audio.
Filters · Clean AudioStereo to Mono
Convert stereo audio to mono by merging left and right channels. Essential for compatibility and audio analysis.
Stereo · Mono · Channel MergeFree AI Voice Cloning - Clone Any Voice Online
Free AI voice cloning online: record a 10-second voice sample and make it speak any text in Chinese or English. Runs 100% in your browser - no upload, no account, no limits.
AI · Voice CloningVolume Booster - Make Audio Louder Online Free
Increase audio volume up to 300% without distortion. Boost quiet audio files, podcasts, and recordings.
Amplify · Normalize14 Languages
Every tool in 14 languages with full translation.
100% Private
All processing happens in your browser. Nothing is uploaded to any server.
Download & Share
Export your results as files and share them with anyone.