Are the tools really free?
Yes. There is no sign-up, no watermark and no daily limit, because the work happens on your device.
Each tool does one job and works on a file you already have: remove background noise, cut dead air, shape a voice, bring an episode to the right loudness, or convert it to the format your host wants. They are free, need no account and add no watermark.
Everything runs inside your browser tab. Your audio never leaves your device.
Clean up
- Background noise remover — Remove steady noise such as fans, hum and hiss.
- Silence remover — Shorten long pauses and dead air, keeping the rhythm natural.
Shape and level
- Voice EQ — Male, female and neutral presets that clear up a voice.
- Loudness normalizer — Bring an episode to -16, -14 or -23 LUFS.
Convert
- Audio converter — MP3, M4A, Opus, FLAC and WAV.
- Video to audio — Extract the sound from a video as MP3, M4A or WAV.
A good order
- Remove the background noise.
- Cut long pauses and dead air.
- Shape the voice with the EQ.
- Normalize the loudness.
- Convert once, at the end, to the format your host wants.
Frequently asked questions
Is my audio uploaded anywhere?
No. Everything runs inside your browser tab and the result is created on your device. You can check this in your browser's network tab.
Which browsers work?
Current versions of Chrome, Edge, Firefox and Safari. The converter and the silence remover download a 30 MB engine the first time you use them.
How large can a file be?
The noise remover, voice EQ and loudness normalizer take files up to 30 minutes and 250 MB. The converter, video to audio and silence remover take up to 500 MB.