Every tool in this category is free — runs in your browser, files never leave your device.
Cut and slice MP3 audio clips client-side using Web Audio API buffer slicing
Audio ToolsTrim start and end points of audio tracks client-side
Audio ToolsJoin multiple audio files into a single seamless audio track client-side
Audio ToolsMerge and mix multiple audio channels together client-side
Audio ToolsBoost audio volume levels up to 300% client-side using Web Audio GainNode
Audio ToolsNormalize peak amplitude levels across audio channels client-side
Audio ToolsAdjust audio pitch and playback frequency client-side using Web Audio API playbackRate
Audio ToolsChange audio playback tempo and speed client-side using Web Audio API
Audio ToolsSpeed up or slow down audio playback client-side
Audio ToolsInteractive beat tapping and tempo (BPM) detector client-side
Audio ToolsAnalyze audio frequency spectra to detect musical keys client-side
Audio ToolsIsolate instrumental backing tracks by inverting center-channel audio frequencies client-side
Audio ToolsGenerate karaoke backing tracks client-side
Audio ToolsApply low-pass and high-pass Web Audio noise filtering client-side
Audio ToolsReverse PCM audio samples backwards client-side
Audio ToolsConvert text into natural spoken audio client-side using Web Speech API SpeechSynthesis
Audio ToolsConvert spoken microphone audio into typed text client-side using Web Speech API SpeechRecognition
Audio ToolsRecord voice clips from microphone client-side.
Audio ToolsMulti-band graphic equalizer for audio tracks.
Audio ToolsBoost low-frequency bass notes client-side.
Audio ToolsCut 30-second phone ringtones from audio tracks.
Audio ToolsApply smooth gain fade-in and fade-out volume envelopes.
Audio ToolsDetect and trim silent audio gaps client-side.
Audio ToolsMix stereo channels down to mono audio.
Audio ToolsDuplicate mono audio into stereo output.
Audio ToolsView and edit MP3 ID3 metadata tags.
Audio ToolsSynthesize MIDI notes into audio waveforms.
Audio ToolsConvert audio sample rates and bitrates.
Audio ToolsOptimize audiobook listening speed.
Audio ToolsTune guitar strings with tone synthesis.
Audio ToolsPrecision audio tick metronome (30-240 BPM).
Audio ToolsCustom frequency tone generator (Sine, Square, Saw).
Audio ToolsBackground white, pink, and brown noise generator.
Audio ToolsTranscode MP3 audio to uncompressed PCM WAV.
Audio ToolsCompress WAV PCM audio into MP3 format.
Audio ToolsConvert MP3 files to open OGG Vorbis audio.
Audio ToolsTranscode OGG Vorbis audio files to MP3.
Audio ToolsConvert MP3 audio tracks to M4A AAC format.
Audio ToolsConvert M4A AAC audio files into MP3 format.
Audio ToolsConvert MP3 files to FLAC lossless audio.
Audio ToolsConvert FLAC lossless audio files into MP3.
Audio ToolsConvert MP3 audio tracks to AAC stream format.
Audio ToolsConvert AAC audio files into MP3 format.
Audio ToolsConvert Windows Media Audio (WMA) files to MP3.
Audio ToolsConvert MP3 audio tracks into WMA format.
Audio ToolsConvert WebM OPUS audio clips into MP3 files.
Audio ToolsTranscode MP3 audio files into OPUS WebM format.
Audio ToolsInspect duration, sample rate, and channels.
Audio ToolsMix multiple audio buffer tracks simultaneously.
Audio ToolsApply pitch shifter voice filters client-side.
Audio Tools