AudioToolKit

AudioToolKit

Every audio tool you need, in one place.

Convert, cut, join and clean up recordings in the browser — free to start, no install.

Most usedVideo to MP3Convert AudioTrim Audio8D AudioBass BoosterVocal Remover
36 free toolsNo installFiles auto-deletedRuns in your browser
Audio waveform visualization
Explore all tools

Three steps. No install.

Most tools run right in your browser, and you can start without an account.

1

Pick a tool

Choose from 38 free tools — convert, edit, effects, presets and analysis.

2

Drop your file

Drag in an audio or video file, or start straight from a preset.

3

Download the result

Grab the processed file. Free uploads are deleted automatically.

Every audio tool, free to start

Convert, edit, effect and analyze audio in your browser. Pick a tool, drop a file, download the result — no install, files deleted automatically.

Convert

2
Convert AudioConvert mp3, wav, m4a, flac, ogg and aiff in any direction.Video to MP3Save the audio track from mp4, mov, webm and other videos.

Edit

3
Trim AudioCut a clip to a start and end time, in seconds.Concatenate AudioStitch two or more clips into one file, in the order you set.Normalize AudioEven out quiet and loud recordings so they sit at a consistent level.

Effects

12
3D AudioWiden the stereo image so the soundstage feels bigger and deeper.Auto PannerSweep the sound left and right for a moving, animated feel.Bass BoosterMake any track hit harder with a low-end boost.EqualizerShape the tone of any track with five frequency bands.Noise ReducerReduce hum, hiss and background noise from recordings.Pitch ShifterShift a track up or down by semitones, tempo preserved.ReverbAdd a sense of space: from a bathroom to a cathedral.Reverse AudioPlay your track backwards, sample by sample.Stereo PannerPan a track to the left, the right, or anywhere between.Tempo ChangerSpeed a track up or slow it down, pitch preserved.Volume ChangerMake a track louder or quieter, in dB.Vocal RemoverRemove the vocals from a song and keep the instrumental.

Analyze

4
BPM DetectorDetect the tempo of any song in beats per minute.DownmixerReduce channels: stereo to mono, or upmix mono to stereo.SpectrogramSee the frequencies of a track as an image.WaveformTurn any track into a waveform image.

Presets

15
8D AudioMake the sound circle around your head, 8D-style.Slowed & ReverbThe sped-up TikTok style, flipped: slower and dreamier.432 Hz ConverterRetune a 440 Hz track to the 432 Hz standard.Very Light Bass BoostA +3 dB nudge for tracks that just need a touch more.Light Bass BoostA +6 dB lift for everyday listening.Moderate Bass BoostA +10 dB push for car and home systems.Heavy Bass BoostA +14 dB thump for bass-first listening.Extreme Bass BoostThe +18 dB maximum: all bass, no mercy.Vocal ReverbStudio-style reverb tuned for voice recordings.Bathroom ReverbThat bright, small-tile shower sound.Small Room ReverbA dry, close 1 s space for intimate mixes.Medium Room ReverbA lived-in 2 s space, the all-rounder.Large Room ReverbA big 4 s hall for dramatic tracks.Church ReverbA 6 s sanctuary wash for gospel and hymns.Cathedral ReverbThe biggest space: an 8 s stone cathedral.

Files removed automatically

Uploads and results are deleted one hour after processing on the free plan, 24 hours on Pro.

Encrypted in transit

Every upload and download runs over TLS, and processing happens on isolated workers.

Works on any device

No installers or plugins. Everything runs in the browser on Windows, macOS, Linux, iOS and Android.

Get more with Pro

  • 600 minutes a day, files up to 3 hours, and uploads up to 2 GB
  • A larger transcription model, batches of 20 files, and a priority queue
  • Results kept for 24 hours, with no ads
Get Pro

Cancel any time during the trial.

Pro

600 min

of audio per day, files up to 3 hours

Pro unlocked