OneTaskAudio Tools
Convert, Trim, Tune and Generate Audio Files in Your Browser
Tools for sound, all running in the browser. Trim, join, split and fade audio, convert between formats, analyse loudness, tempo and pitch, and generate tones, metronome clicks and binaural beats. Files are processed locally and never uploaded.
155 tools tagged Audio
8D Audio
Rotate any song around the listener's head, 8D style.
A-B Loop Player
Loop a passage between two points and slow it down to practise.
NewAAC To MP3
Convert raw .aac audio into an MP3 for any player.
NewAmbient Sound Mixer
Mix rain, wind, waves, fire, stream and crickets into your own soundscape.
NewAudio Balance And Pan Adjuster
Shift audio left or right, or pan a mono file into stereo.
Audio Bookmark Player
Bookmark moments in long audio and jump straight back to them.
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.
NewAudio Crossfader
Blend tracks together with smooth, adjustable crossfades.
NewAudio Declicker
Detect and repair clicks, pops and crackle in recordings.
NewAudio Ducking
Dip background music automatically whenever the voice speaks.
Audio Duration Sum
Add up the total duration of a batch of audio files.
Audio Embed Code Generator
Build an HTML5 audio tag with the right MIME types and options.
Audio File Compressor
Shrink any audio file to a target size as MP3.
Audio Info Inspector
Read the sample rate, channels, bitrate and levels of any audio file.
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 Player With Speed Control
Play audio faster or slower while keeping the pitch natural.
Audio Reverser
Reverse a whole audio file or one selected part, export WAV or MP3.
NewAudio 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.
NewAudio Stutter Effect
Add tempo-synced stutter and beat-repeat glitch rolls to a track.
Audio To Base64
Turn a short audio clip into a base64 data URI.
Audio To CSV/JSON
Export raw audio samples as CSV or JSON for analysis.
NewAudio To MIDI
Turn a hummed, sung or played melody into a MIDI file.
Audio To OGG/WebM
Encode audio to WebM or OGG Opus, or MP4 AAC, locally.
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.
NewAuto Pan Effect
Sweep sound between left and right speakers in time with music.
NewBackground 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.
BPM Detector
Detect the BPM of any audio file and export a click track.
BPM To Milliseconds Calculator
Tempo to delay times in ms and Hz for every note value, and back.
Camera And Microphone Check
Check your camera picture and mic level together before a call.
NewChord Detector
Find the chords in any song from an audio file.
Chord Player
Click chords to hear them and loop a chord progression.
NewChorus 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.
NewDe-Esser
Tame harsh s and sh sounds in vocals and voice recordings.
Decibel Calculator
Convert dB and ratios, add sound levels, and find distance drop.
Decibel Meter
Read live sound level in decibels from your microphone.
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.
NewDrum Tuner
Measure a drum's pitch from each hit and compare tension.
DTMF Tone Generator
Play phone keypad touch tones for any digits and export WAV.
Ear Training Quiz
Quiz yourself on intervals and chord qualities by ear, with a running score.
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.
NewFLAC To MP3
Shrink lossless FLAC music into a portable MP3.
NewFLAC To WAV
Unpack lossless FLAC into a 16- or 24-bit WAV.
NewFlanger 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.
Hearing Range Test
Sweep or tune a tone to find the edges of your hearing.
NewHum Remover
Notch out 50/60 Hz mains hum and its harmonics.
NewIsochronic Tones Generator
Generate isochronic tones with any pulse rate, pitch and duty cycle.
Key Detector
Detect the key of any song and get its Camelot code for mixing.
NewLeft/Right Channel Extractor
Split stereo audio into separate left and right mono files.
NewLofi Effect
Add tape wobble, vinyl crackle, hiss and muffled tone to audio.
Loudness Meter
Measure LUFS and true peak and check them against Spotify, YouTube and broadcast targets.
Low-pass And High-pass Filter
Cut frequencies above or below a point to remove rumble or hiss.
NewM4A To MP3
Convert iPhone and iTunes M4A audio to MP3 in your browser.
NewM4A 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.
Microphone Test
Check your microphone works, see its level and hear yourself.
NewMIDI Player
Play .mid files in your browser with a piano roll, speed and transpose.
MOD Channel Muter
Mute or solo channels of a tracker module and save the result.
MOD Pattern Viewer
Watch a module's notes and effects scroll in time with the music.
MOD Player
Play MOD, XM, S3M and IT tracker modules with a playlist and loop.
MOD Sample Extractor
Rip every sample from a MOD, XM, S3M or IT module as WAV files.
MOD Tempo Changer
Change a module's tempo and pitch separately and save the result.
MOD To WAV Converter
Convert MOD, XM, S3M and IT modules to WAV or MP3, in bulk.
Module Info Viewer
Read the title, tracker, channels and hidden message of any module.
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.
NewMP3 ID3 Tag Editor
Edit MP3 title, artist, album and cover art without re-encoding.
NewMP3 To WAV
Turn an MP3 into an editable 16- or 24-bit WAV.
NewMP4 To MP3
Pull the sound out of a video and save it as an MP3.
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.
Note Frequency Calculator
Note to frequency and frequency to note, with cents offset and MIDI number.
NewOGG 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.
NewOPUS To MP3
Turn WhatsApp and Telegram .opus voice notes into MP3.
Phase Checker
Check a stereo file for phase problems and mono compatibility.
NewPhaser Effect
Add a swirling phaser with stages, rate, depth and resonance controls.
Pitch Shift Calculator
Semitones and cents to a frequency ratio, speed and tempo.
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.
Podcast Name Generator
Podcast names like The Long Signal and Hold Music for chat and interview shows.
Podcast RSS Item Builder
Build a valid podcast RSS item with enclosure and iTunes tags.
Practice Metronome
Metronome with subdivisions, custom accents, tap tempo and a tempo trainer.
Reverb
Add room, hall, plate or cathedral reverb to audio.
NewRhythm Tap Trainer
Tap along to a click and see your timing error in milliseconds.
NewRingtone Maker
Cut a faded 30-second MP3 ringtone from any song.
Sample Length Calculator
Convert between samples, milliseconds, seconds, beats and bars.
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.
NewShepard Tone Generator
Play the endlessly rising or falling Shepard tone illusion in your browser.
Silence Finder
Find and timestamp every silent gap in a recording.
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.
NewSinging Pitch Trainer
Sing a target note and see your pitch live in cents.
Sleep Timer Player
Play audio that fades out gently and stops after a set time.
NewSolfeggio Frequency Player
Play the nine solfeggio frequencies as pure tones, with fades and a timer.
Sound Effect Generator
Make retro coin, laser, jump and explosion sounds as WAV.
Speaker Impedance Calculator
Total ohms for speakers in series, parallel or series-parallel.
Speaker Test
Check left and right channels, frequency range and speaker polarity.
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.
Tab Audio Recorder
Capture the sound from a browser tab straight to an audio file.
NewTanpura Drone
Practise with a four-string tanpura drone in any Sa, tuned to Pa or Ma.
NewTap Tempo
Tap the beat to measure BPM and delay times in milliseconds.
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.
Time Stretch Calculator
Stretch ratio, new length and pitch change between two tempos.
Tone Generator
Play any frequency as a pure tone and export it as WAV.
NewTremolo Effect
Pulse the volume with a free or tempo-synced tremolo.
Tuner
Tune any instrument by microphone with a live cents needle.
NewVirtual Kalimba
Play a 17-key kalimba thumb piano online with touch, mouse or keyboard.
NewVocal Range Test
Find your lowest and highest sung notes and your voice type.
Vocal Remover
Remove or isolate centre-panned vocals from a stereo song.
NewVoice 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.
Waveform From Video
Draw a video's soundtrack as a waveform image.
Waveform Image Generator
Make a styled soundwave image sized for social media.
Waveform Video
Animated sound bars over cover art, for podcast and music clips.
Waveform Viewer
Zoom into any audio file and save its waveform as a PNG image.
NewWebM 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.