Free Online Audio Noise Remover
Clean up background hiss, microphone hum, and fan noise from audio recordings. Boost voice clarity for podcasts and meetings.
Drop your audio here
or click to browse. MP3, WAV, M4A, OGG, FLAC and other audio files
Audio Noise Remover for Voice Recordings
One click lowers steady background noise under speech. Hear the original and cleaned versions, then save in the format you started with.
Remove Background Noise From Audio
Click Remove Noise and the tool lowers steady hiss, static and fan noise across the whole file. A progress bar tracks the run, then a Denoised Audio player appears under the original.
- One Remove Noise button, no setup
- Original and Denoised Audio players
- Progress bar with percent done
Denoise Audio and Keep Its Format
Output Format reads Same as input, so an MP3 comes back as an MP3 and a WAV as a WAV. The file keeps its name with -denoised added, like interview-denoised.mp3.
- Output Format: Same as input
- File name ends in -denoised
- No lossy codec for WAV and FLAC
Made for Speech, Not Music
The filter targets steady noise under a voice, like an air conditioner or tape hiss. It won't separate vocals from music, and short sounds such as barks or door slams stay in.
Free, No Sign-Up or Watermark
Clean as many recordings as you like with no account, no daily cap and nothing added to the sound. Very long files need more memory, so they run more smoothly on a computer.
Got a Video? Extract Audio First
The noise remover opens audio files only. Use the Video to MP3 tool to pull the soundtrack out of a video, then drop that MP3 here to clean it.
Your Recording Stays on Your Device
The audio is cleaned inside this browser tab after the page downloads its audio processor. Anonymous stats like clip length and a rough file size are recorded, but never the sound or its name.
How to Remove Background Noise From Audio
Add your audio file.
Drop one MP3, WAV, M4A, OGG or FLAC file on the box, or click to choose it. The editor opens with a player for the original.
Click Remove Noise.
The audio processor loads first, then a progress bar shows how far the cleanup has got. Longer recordings take longer, so keep the tab open.
Compare and download.
Play the Denoised Audio player and the original to hear the difference. Click Download to save the clean file in its original format.
When to Remove Background Noise From Audio
Steady room noise under a voice is the usual problem: fans, air conditioning and recorder hiss.
Podcasts and Voice-Overs
Home studios pick up computer fans and air conditioning. Clean the voice track before editing, then compare it with the original to make sure the voice still sounds natural.
- Lower fan and air conditioner noise on a podcast track
- Clean a WAV or FLAC voice-over before editing
- Check the result against the original before you edit
Interviews, Lectures and Voice Memos
Phone and recorder clips often carry a steady hiss. Clean the file before you share it or send it for transcription, and keep the same format.
- Clean an iPhone voice memo saved as M4A
- Reduce hiss on a recorded lecture or class
- Tidy an interview recording before you transcribe it
Video Creators
A noisy voice-over hurts a good video. Pull the audio out with Video to MP3, clean it here, then add the clean track back in your video editor.
- Clean narration recorded on a phone or laptop mic
- Reduce hiss in the voice track of a screen recording
- Trim the cleaned file afterwards with the Audio Trimmer
Frequently Asked Questions
Common questions about removing background noise from audio files online.
How do I remove background noise from audio for free?
Drop your audio file on this page and click Remove Noise in the editor. When the progress bar finishes, play the Denoised Audio player and click Download. There is no sign-up, no watermark and no daily limit.
Which audio formats can I clean, and what do I get back?
Any audio file your browser recognizes, including MP3, WAV, M4A, OGG, FLAC and AAC. The cleaned file keeps the same format and the same name with -denoised added, so podcast.mp3 becomes podcast-denoised.mp3.
Can I choose how strong the noise reduction is?
No. Every file gets the same fixed strength, set for steady noise under speech, and there are no presets or sliders. You can run a cleaned file through again, but compare it by ear, because a second pass may sound thin.
Which background sounds does this audio noise remover reduce?
It suits steady noise that sounds the same all the way through, such as mic or tape hiss, static, computer fans and air conditioning. It turns that noise down rather than wiping it out, so very loud noise can still be heard.
Can it remove echo, wind or background music?
No. The filter is built for steady noise, so echo, wind gusts, music, other voices, barking and keyboard clicks come through mostly untouched. It also can't split vocals from a song, so it is not a vocal remover.
Is this an AI noise remover?
No. It uses a classic spectral filter, not an AI model. The filter treats quiet, steady sound across the frequency range as noise and turns it down. It can't rebuild damaged speech or pick out one voice from a crowd.
Does removing noise lower the audio quality?
WAV and FLAC are saved without lossy compression, but a 24-bit WAV comes back as 16-bit. MP3, M4A and OGG files are encoded again when saved, which adds a small extra loss. For the cleanest result, start from a WAV or FLAC copy.
Can I remove background noise from a video?
Not directly. This tool opens audio files only, so an MP4 or other video is turned away. Pull the soundtrack out with the Video to MP3 tool first, clean that MP3 here, then put it back with your video editor.
How long can my recording be?
There is no set size or length limit and no daily cap. Long files take longer because the work runs on your own device, one file at a time. Very long recordings need a lot of memory and may fail on older phones.
Can I clean an iPhone voice memo?
Yes. Voice Memos saves M4A audio, which opens here, and the cleaned copy is saved as M4A too. On an iPhone, save the memo to the Files app first so you can pick it from the upload box.
Why do I see "Something went wrong" after clicking Remove Noise?
The audio processor failed to load or couldn't read your file. Check your connection and click Remove Noise again. If it keeps failing, convert the file to WAV or MP3 with the Audio Converter, then try that copy.
Is my recording sent to a server?
No. The noise filter runs inside your browser tab and the result downloads from there. The page does fetch its audio processor from a public code host, and it counts anonymous stats such as clip length and a size range, never the audio itself.
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