Take your finished content live with Upstream.
Start streaming freeAudio Noise Reducer
Reduce steady background noise like hiss, hum and fan noise in voice recordings. Pick a strength and compare before you download.
- No sign-up
- Free download
- Files stay on your device
How to remove background noise from audio
- 1
Add your audio
Drop in an MP3, WAV, M4A, AAC, OGG and FLAC file.
- 2
Pick the strength
Start with Medium. High removes more noise but can thin out the voice.
- 3
Compare and download
Listen to the cleaned version, then save the MP3.
Why use this audio noise reducer
Private by design
The file is processed inside your browser. It is never uploaded to Upstream or anyone else.
Free, with no watermark
No account, no trial and nothing stamped on your audio. Use it as often as you like.
Fast on your own device
There is no upload or queue. Processing starts right away and uses your computer, not a server.
Works with common formats
Start from MP3, WAV, M4A, AAC, OGG, FLAC files and download an MP3 that plays everywhere.
Popular uses
- Clean recorded intros before adding them to a live show.
- Improve spoken audio for podcasts and clips.
- Prep voice tracks before normalizing and uploading.
FAQ
Audio Noise Reducer FAQ
Files, privacy, formats and limits.
More free audio tools
All free tools- Video to MP3 Converter Pull clean audio from a video without uploading the original footage.
- Extract Audio from Video Save the audio track of any video, in its original quality or as MP3, WAV or M4A.
- Audio Converter Convert audio to MP3, WAV, M4A, OGG or FLAC without uploading it.
- MP3 Normalizer Match perceived loudness so your audio feels more even and easier to publish.
- Silence Remover Tighten spoken-word recordings by stripping dead air and long pauses.
- Video Trimmer Cut a clip down to the exact segment you want without uploading it anywhere.
- Video Cropper Crop a video to the frame you need for landscape, vertical, square, or portrait publishing.
- Remove Audio from Video Strip the audio track out of a video to create a clean silent asset for live production.
From quick prep to full streaming workflows
These free utilities cover the small jobs around content creation. For continuous channels and team production, Upstream also supports 24/7 live streaming, pre-recorded live streams, multistreaming, and Live Studio broadcasts.
For this tool, the closest next step is Live Studio, so that workflow appears first below.
Produce browser-based live shows with guests.
Invite speakers, share screens, manage scenes, and add branded overlays for podcasts, webinars, interviews, and launches.
Explore Live StudioRun a 24/7 live stream from your videos.
Upload once, build a playlist, and let Upstream run continuous live playout without OBS, a VPS, or an always-on computer.
Explore 24/7 streamingSchedule finished videos as live events.
Turn recordings into scheduled live streams, premieres, loops, and recurring broadcasts from the same cloud workflow.
Explore pre-recorded streamingSend one feed to every platform that matters.
Go live to YouTube, Twitch, Kick, Facebook, Rumble, and custom RTMP without making your upload connection carry every copy.
Explore multistreaming



