Audio Editors

8D Audio

Rotate any song around the listener's head, 8D style.

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AAC To MP3

Convert raw .aac audio into an MP3 for any player.

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Ambient Sound Mixer

Mix rain, wind, waves, fire, stream and crickets into your own soundscape.

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Audio Balance And Pan Adjuster

Shift audio left or right, or pan a mono file into stereo.

Audio Channel Swapper

Swap stereo channels, copy one side to both, or invert polarity.

Audio Comparison

Compare two audio files by the numbers and by ear, loudness-matched.

Audio Compressor (Dynamics)

Compress dynamics with threshold, ratio, attack and release.

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Audio Crossfader

Blend tracks together with smooth, adjustable crossfades.

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Audio Declicker

Detect and repair clicks, pops and crackle in recordings.

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Audio Ducking

Dip background music automatically whenever the voice speaks.

Audio Duration Sum

Add up the total duration of a batch of audio files.

Audio File Compressor

Shrink any audio file to a target size as MP3.

Audio Joiner

Merge several audio files into one, in order, with optional gaps.

Audio Looper

Repeat a selected clip many times with seamless crossfaded joins.

Audio Markers To Cue List

Type markers against a waveform, export cue sheet, chapters or labels.

Audio Mixer

Layer several audio files to play together, with clip-safe levels.

Audio Normalizer

Normalise audio to a peak dBFS or LUFS loudness target, in browser.

Audio Padder

Add exact seconds of silence before or after any audio file.

Audio Reverser

Reverse a whole audio file or one selected part, export WAV or MP3.

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Audio Sample Chopper

Chop loops and breaks into separate samples at each hit.

Audio Speed And Pitch

Slow down, speed up or transpose an audio file, then export WAV.

Audio Speed Changer

Speed up or slow down audio, keeping pitch or shifting it like tape.

Audio Splitter

Split one audio file into equal parts or fixed-length chunks, zipped.

Audio Sprite Maker

Pack sound effects into one audio sprite with a howler.js JSON map.

Audio Stereo Widener

Widen or narrow the stereo image with mid/side gain.

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Audio Stutter Effect

Add tempo-synced stutter and beat-repeat glitch rolls to a track.

Audio To OGG/WebM

Encode audio to WebM or OGG Opus, or MP4 AAC, locally.

Audio To Video

Put a still image behind an audio file to make an uploadable video.

Audio To WAV

Convert MP3, M4A, FLAC or OGG to 16- or 24-bit WAV.

Audio Trimmer

Drag in and out points on a waveform, export WAV or MP3.

Audio Volume Changer

Boost or cut audio volume in decibels, whole file or one section.

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Auto Pan Effect

Sweep sound between left and right speakers in time with music.

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Background Noise Reducer

Learn a noise print and turn background noise down.

Bass Booster

Boost bass with a low shelf and a limiter, in browser.

Binaural Beats Generator

Play binaural beats with any carrier and beat frequency, plus pink noise.

Bit Depth Converter

Convert 24-bit to 16-bit WAV with proper dither.

Chord Player

Click chords to hear them and loop a chord progression.

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Chorus Effect

Thicken vocals and guitars with a multi-voice stereo chorus.

Clipping Detector

Scan any audio file for clipped samples and list where the flat tops are.

DC Offset Checker

Measure the DC offset of each channel and remove it.

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De-Esser

Tame harsh s and sh sounds in vocals and voice recordings.

Distortion And Bitcrusher

Distortion, bit reduction and sample-rate crushing for lo-fi sound.

Drum Machine

Click steps on a grid to build a drum beat and play it.

DTMF Tone Generator

Play phone keypad touch tones for any digits and export WAV.

Echo And Delay

Add echo with delay time, feedback and mix controls.

Equalizer

Boost or cut ten frequency bands and export the result.

Extract Audio From Video

Rip the audio track from a video to MP3 or WAV.

Fade In And Fade Out

Add fade in and fade out with a chosen curve, export WAV or MP3.

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FLAC To MP3

Shrink lossless FLAC music into a portable MP3.

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FLAC To WAV

Unpack lossless FLAC into a 16- or 24-bit WAV.

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Flanger Effect

Add a sweeping jet-plane flanger with feedback and depth controls.

Frequency Detector

Read the frequency and nearest note of any sustained tone live.

Guitar Tuner Tones

Reference tones for tuning guitar, bass, ukulele and more by ear.

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Hum Remover

Notch out 50/60 Hz mains hum and its harmonics.

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Isochronic Tones Generator

Generate isochronic tones with any pulse rate, pitch and duty cycle.

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Left/Right Channel Extractor

Split stereo audio into separate left and right mono files.

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Lofi Effect

Add tape wobble, vinyl crackle, hiss and muffled tone to audio.

Low-pass And High-pass Filter

Cut frequencies above or below a point to remove rumble or hiss.

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M4A To MP3

Convert iPhone and iTunes M4A audio to MP3 in your browser.

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M4A To WAV

Turn iPhone voice memos and M4A files into editable WAV.

Melody Sequencer

Draw a melody on a step grid, loop it and download it as MIDI.

Metronome

Drift-free metronome with accented downbeats and WAV export.

Morse Code Key

Send Morse by hand and decode it live through the microphone.

Morse Code Sound

Type a message and hear it keyed as real Morse code.

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MP3 To WAV

Turn an MP3 into an editable 16- or 24-bit WAV.

Multi-Clip Audio Exporter

List several regions, export every clip at once as a zip.

Noise Gate

Mute background noise below a threshold between words.

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OGG To MP3

Convert OGG Vorbis audio into an MP3 that plays anywhere.

Online Piano

Play piano keys with your computer keyboard, mouse or touch.

Online Synthesizer

Play a subtractive synth with oscillator, filter, ADSR envelope and echo controls.

Online Theremin

Play a theremin with the mouse: sideways for pitch, up and down for volume.

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OPUS To MP3

Turn WhatsApp and Telegram .opus voice notes into MP3.

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Phaser Effect

Add a swirling phaser with stages, rate, depth and resonance controls.

Pitch Shifter

Transpose audio in semitones with the tempo unchanged.

Podcast Chapter Marker

Turn a list of chapter times into podcast chapters JSON or show notes.

Podcast Clip Cutter

Cut a podcast clip, fade it, and normalise it for social.

Practice Metronome

Metronome with subdivisions, custom accents, tap tempo and a tempo trainer.

Reverb

Add room, hall, plate or cathedral reverb to audio.

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Ringtone Maker

Cut a faded 30-second MP3 ringtone from any song.

Sample Rate Converter

Resample audio to 44.1, 48, 16 kHz or any common rate.

Scale Player

Hear any scale or mode played in any key on a keyboard.

Silence Generator

Download a silent WAV file of any length and sample rate.

Silence Remover

Shorten every long pause in a recording to a fixed gap, automatically.

Silence Splitter

Detect silent gaps and export each sound between them as its own file.

Silence Trimmer

Cut leading and trailing silence automatically with a threshold and pad.

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Solfeggio Frequency Player

Play the nine solfeggio frequencies as pure tones, with fades and a timer.

Spectrogram

Turn any audio file into a spectrogram image, time against frequency.

Spectrum Analyzer

Live FFT spectrum of the microphone or any audio file, in browser.

Stereo To Mono

Downmix stereo audio to mono and export it as WAV.

Sweep Generator

Sine sweep between any two frequencies, exportable as WAV.

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Tanpura Drone

Practise with a four-string tanpura drone in any Sa, tuned to Pa or Ma.

Telephone And Radio Effect

Telephone, radio, walkie-talkie and megaphone voice presets.

Test Tone Set

Standard line-up and channel test tones at an exact dBFS level.

Text To Speech Downloader

Read text aloud in any browser voice and save it as audio.

Tone Generator

Play any frequency as a pure tone and export it as WAV.

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Tremolo Effect

Pulse the volume with a free or tempo-synced tremolo.

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Virtual Kalimba

Play a 17-key kalimba thumb piano online with touch, mouse or keyboard.

Vocal Remover

Remove or isolate centre-panned vocals from a stereo song.

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Voice Changer

Chipmunk, deep, robot, radio and echo voice effects.

Voice Recorder

Record from your mic, trim on a waveform, save as WAV or MP3.

WAV To MP3

Encode WAV or other audio to MP3, without uploading it.

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WebM To MP3

Pull the audio out of a WebM file as an MP3.

White, Pink And Brown Noise

White, pink and brown noise with a WAV export.