Remove Noise from Any Audio File — Online, in Minutes
Got an MP3 with fan hum? A WAV with room echo? An M4A from a phone recorder? Upload it here and let Denoisr clean the background noise without converting formats or installing software. Works with MP3, WAV, M4A, FLAC, and OGG up to 500 MB.
Denoisr reads your file in the browser first, so you see the exact duration and credit cost before anything uploads.
No format conversion
Upload MP3, WAV, M4A, FLAC, or OGG directly — no need to convert to a specific format first.
No software install
Everything runs in the browser. Open the page, drop a file, and download the cleaned result.
Credit-based pricing
1 credit = 1 minute. Pay only for what you process, starting with 5 free credits.
Quick answer
Denoisr is an online audio noise remover that accepts MP3, WAV, M4A, FLAC, and OGG files up to 500 MB. You upload a voice recording — a podcast, an interview, a lesson, or a meeting — and the AI reduces steady background noise like fan hum, HVAC wash, and room tone without manual noise-profile selection. It does not require any software download and works in any modern browser.
- Best for:
- Spoken-word audio in any common format
- Supported formats:
- MP3, WAV, M4A, FLAC, OGG (audio) and MP4, MOV, WebM, MKV (video)
- Max file size:
- 500 MB for audio, 1 GB for video
- Free credits:
- 5 credits on signup, no card required
Drop your audio file here and clean it
Works with MP3, WAV, M4A, FLAC, and OGG. The AI adapts to whatever noise is in your specific recording.
Works with all common audio formats. Best for spoken-word recordings.
Drop your audio file here
Upload the recording you want to clean. No format conversion needed.
Sign up free — 5 credits included, no card required.
One file at a time
Upgrade to Starter for 2-file batches
What to expect
Which audio problems it handles — and which ones it cannot
The AI model is trained on spoken-word audio. It handles steady background noise well but has limits with unpredictable sounds.
Works well for
- Fan noise (computer fans, desk fans, ceiling fans)
- HVAC and air-conditioning hum
- Electrical buzz and ground hum
- Room tone and ambient hiss
- Traffic noise heard through walls
- Fridge, washing machine, and appliance drone
May not fully fix
- Someone coughing directly into the microphone
- Sudden sirens or car horns
- Overlapping voices in a group conversation
- Severely clipped or distorted recordings
- Music tracks or songs (this is a voice cleanup tool)
- Recordings made underwater or through heavy obstructions
How it works
Three steps from noisy file to clean download
No configuration, no noise-profile selection, no manual threshold adjustment.
Upload your audio file
Drag and drop or browse for an MP3, WAV, M4A, FLAC, or OGG file. The browser reads the duration locally so you see the credit cost before anything uploads.
Let the AI do the cleanup
The model detects the type of noise in your recording and suppresses it. You pick a mode — Clean Noise for a light touch, Enhance Voice for a fuller pass, or Podcast Ready to also trim filler words.
Download the cleaned result
Play the before and after side by side right in the browser. Download the version you prefer and use it however you like — DAW, video editor, LMS, podcast host.
Common use cases
What kinds of recordings people clean here
Podcast episodes
Solo recordings, remote guest tracks, and co-hosted episodes with different mic setups and room conditions.
Interview recordings
Zoom, Riverside, Google Meet, or phone-recorded conversations where one side has more noise than the other.
Voice memos and field recordings
Quick recordings made on a phone or portable recorder in a noisy coffee shop, hotel room, or airport.
Course and tutorial narration
Long voiceover sessions that pick up fan noise, traffic, and appliance hum over time.
Audiobook chapters
Multi-hour recordings where even subtle room tone becomes fatiguing for listeners over time.
Archived or legacy recordings
Old recordings from years ago that you want to repurpose — clean them up without needing the original environment or equipment.
Key details
What you get when you upload here
A focused audio cleaning workflow built for people who have a recording to fix, not a mixing console to operate.
Format flexibility
Upload MP3, WAV, M4A, FLAC, or OGG without converting first. The AI processes your file in its native format.
Transparent pricing
Duration is read in the browser before upload. You see the exact credit cost and remaining balance before processing starts.
Before / after comparison
Toggle between the original and the cleaned version in one player — no download needed to check the result.
Three cleanup modes
Clean Noise for light denoising, Enhance Voice for loudness and clarity, Podcast Ready for filler-word trimming. Stack any at no extra cost.
Large file support
Audio up to 500 MB, video up to 1 GB. Long lectures, full interviews, and extended narration sessions are welcome.
Edge upload network
Files upload to the nearest Denoisr edge node for faster transfer worldwide, regardless of your location.
Hear the difference
Real recordings, cleaned with Denoisr
Toggle between original and cleaned to hear how steady background noise is reduced while keeping the voice natural.
Living room recording
Home environment — refrigerator hum, soft TV from another room, light traffic outside. Typical noise stack of a home recording session.
Why creators choose Denoisr
These are the kind of recordings creators actually upload. Hear how Denoisr handles them before you try your own file.
Voice-trained AI
Keeps speech natural while suppressing steady background noise.
One-pass cleanup
No plugins, no DAW, no manual noise-profile selection.
Compare before you commit
Preview the cleaned result alongside the original — download only what sounds right.
Denoisr facts
Audio noise removal — questions answered
What audio formats can I upload?+
Denoisr accepts MP3, WAV, M4A, FLAC, and OGG files up to 500 MB. You can also upload video files (MP4, MOV, M4V, WebM, MKV up to 1 GB) and Denoisr will clean only the audio track.
Do I need to convert my file before uploading?+
No. Upload your recording in whatever format your recorder, phone, or DAW exported it. Denoisr processes native formats without requiring you to convert to WAV first.
How is the cost calculated?+
1 credit equals 1 minute of cleanup, rounded up to the nearest minute. A 3-minute file costs 3 credits. Duration is measured in the browser before upload, so you always know the cost upfront.
What kind of noise does it remove?+
It handles steady background noise best — fan hum, air-conditioning wash, electrical buzz, room ambience, and low-level traffic. Sudden, unpredictable sounds like a dog bark or door slam may not be fully removed.
Will it damage the voice quality?+
The AI model is specifically trained on human speech. It targets noise frequencies while preserving the natural timbre and detail of the voice. If you notice any hollowness, try Clean Noise mode for a lighter touch.
Upload your audio file and hear the difference
Works with MP3, WAV, M4A, FLAC, and OGG. Five free credits included — no card, no commitment.