Remove background noise from a recording
Turns down steady noise behind speech — hiss, a fan or air conditioning, traffic, a busy room. It is made for voices: music and other sounds may get quieter or duller too. It can't bring back words that are too quiet, distorted or drowned out.
Your file never leaves your device. It is converted right here, in your browser — nothing is uploaded.
or drop it here
This takes a while: on a computer about 2–5 minutes for a 30-minute recording, longer on a phone. Keep this page open until it's done. Recordings up to an hour.
Want the text of this recording?
Upload it to SonaFact: the file you just made goes straight there, no need to choose it again. Speakers are separated and every line plays back from its moment. 3 transcriptions a day free, no card.
Get the transcriptQuestions
- Are my files uploaded anywhere?
- Your file never leaves your device. It is converted right here, in your browser — nothing is uploaded.
- Do I need an account?
- Every tool here is free and needs no account. All of them except the subtitle translator and WhatsApp audio to text work in your browser: your files are not uploaded anywhere.
Related tools
- Change audio speedSpeed up or slow down a recording from 0.5× to 2× without changing the pitch of the voice. Save as MP3 or WAV. Free, in your browser, nothing is uploaded.
- Remove silenceCut long pauses out of a recording: choose how long a pause may be and see how much time was removed. MP3 or WAV, free, in your browser, nothing is uploaded.
- Split audioCut a long recording into parts every few minutes or at the times you choose. Download each part or all of them in one ZIP. Free, in your browser, nothing is uploaded.
- Fade in and fade outAdd a smooth fade-in at the start and a fade-out at the end of a recording. Choose the length in seconds and save as MP3 or WAV. Free, in your browser.