Free audio tools,
right in your browser.
No installs, no accounts, no uploads to a server — everything runs locally on your machine.
A full-featured browser mixer for multi-track audio. Fader, pan, 4-band EQ, compressor, phase flip, and clip detection per channel — plus a master bus with EQ, compressor, limiter, LUFS metering, and true peak.
A full multi-track browser mixer with EQ, compression, and LUFS metering built in.
Automatically detect and remove silence from audio files. Set your own threshold and padding, preview the result, then export a clean file — no dead air, no wasted seconds.
Automatically detect and remove silence from audio files — no dead air, no wasted seconds.
Normalize audio levels by peak or target loudness, or use Smart Match to automatically comply with streaming service requirements for YouTube, Spotify, Apple Music, Tidal, and more. Batch process multiple files at once.
Normalize levels or auto-match streaming loudness targets for YouTube, Spotify, and more.
Upmix stereo audio to 5.1 surround sound, or fold down 5.1 to stereo or mono. Control individual channel levels, crossover frequency, surround delay, and reverb — then export a broadcast-ready WAV.
Upmix stereo to 5.1 surround, or fold 5.1 down to stereo or mono.
Automatically duck music or beds under dialogue and voiceover. Set a trigger track and threshold, tune attack and release, and export a mix with the ducking baked in.
Automatically duck music under dialogue, with full control over attack and release.
Automatically transcribes podcasts and interviews into a fully editable transcript. Crumb Catcher removes or flags filler words like "um" and "uh." Manually edit words as needed.
Automatically transcribes podcasts and interviews into an editable, filler-flagged transcript.
A piano-roll step sequencer right in your browser. Click in melodies with sine, 8-bit lead, or 8-bit bass tones, add an 8-bit drum lane, loop 4 or 8 bars at any BPM, then export as WAV, MP3, or MIDI.
A browser piano-roll step sequencer with 8-bit tones, drums, and WAV/MP3/MIDI export.
Select a target track and automatically time-align all your drum mics to it. Non-destructive by default, with an optional trim on export.
Automatically time-align all your drum mics to a target track, non-destructively.
Built for audio people
Every tool on Audio Sweet is designed to be fast, focused, and free. No subscriptions, no watermarks, no file size limits. Your audio never leaves your computer — processing happens entirely in your browser using the Web Audio API.