Audio Noise Reduction
Clean up background noise, hum, and hiss from your recordings. Use auto mode for one-click cleanup or fine-tune the settings.
Drop audio file or browse
Add files you want to clean up
MP3, WAV, AAC, FLAC, OGG, M4A, WMA — up to 50MB total
Cleaned your audio? Now transcribe it.
Cleaner audio means more accurate transcripts. Drop it into ScriberGPT for clean text, timestamps, and speaker labels.
After cleaning your audio, you can convert MP3 to text with ScriberGPT.
How to remove noise from audio
1. Upload your audio
Drag and drop your audio file, or click to choose one from your device.
2. Adjust the strength
Set how much background noise, hiss, and hum to remove, then preview the result.
3. Clean and download
Click clean, then download your clearer audio. Your files stay on your device.
Why Choose Our Audio Noise Reduction?
Professional Quality
FFmpeg-powered controls for cleaner audio with reduced background noise, hiss, and hum.
Customizable Settings
Fine-tune noise reduction level, sensitivity, and frequency smoothing for optimal results.
Preserve Audio Quality
Smart algorithms that remove noise while preserving the natural sound of your audio.
Easy Download
Download your cleaned audio files instantly. Perfect for podcasts, interviews, and recordings.
Professional Audio Noise Reduction: Complete Guide for Content Creators
Our audio noise reduction tool uses FFT-based processing to remove background noise, hiss, and unwanted sounds from audio recordings while keeping the main audio clear and natural. Whether you're a podcaster cleaning interview recordings, a musician removing studio noise, a content creator enhancing voice recordings, or a someone needing to clean audio for presentations or productions, the tool provides detailed cleanup controls with complete privacy protection through client-side processing.
FFT-Based Noise Reduction: Audio Cleaning Technology
Our noise reduction system uses sophisticated Fast Fourier Transform (FFT) algorithms to analyze audio frequency content and identify unwanted sounds. The technology distinguishes between desired audio content and noise patterns, applying intelligent filtering that removes background noise, electrical hum, tape hiss, wind noise, and other artifacts while preserving the natural characteristics of speech, music, and other audio content. Stronger settings can remove more noise, but they may also affect voice or music quality, so Auto Mode is the safest starting point for most files.
Background Noise Removal: Eliminate Environmental Audio Interference
Our tool effectively removes various types of background noise including air conditioning hum, traffic sounds, room tone, computer fans, and other environmental audio interference. The intelligent algorithms analyze the spectral characteristics of background noise and create adaptive filters that target these specific frequency patterns. This makes it perfect for podcasters recording in noisy environments, content creators working with imperfect recording conditions, or teams needing to clean audio captured in challenging acoustic environments.
Hiss Reduction and Digital Noise Cleaning: Professional Audio Restoration
Our advanced algorithms effectively reduce tape hiss, digital noise, quantization artifacts, and other unwanted audio artifacts that can degrade recording quality. The system analyzes high-frequency content to distinguish between natural audio harmonics and unwanted hiss, applying precise filtering that removes noise while preserving the clarity and brightness of your audio content. This technology is essential for restoring older recordings, cleaning digital audio artifacts, or enhancing recordings made with less-than-ideal equipment.
Electrical Hum and Interference Removal: Clean Power-Related Audio Issues
Our tool specifically targets electrical hum at 60Hz (North America) and 50Hz (Europe/Asia) frequencies, along with their harmonics, which are common problems in audio recordings. The intelligent filtering system identifies these specific frequency patterns and removes them without affecting the surrounding audio content. This makes it perfect for cleaning recordings made in environments with electrical interference, poor grounding, or equipment that introduces power-related noise into audio signals.
Customizable Noise Reduction Settings: Precision Control for Optimal Results
Our tool provides three key adjustable parameters for precise noise reduction control: Noise Reduction Level (0.1-0.9) controls the intensity of noise removal, Sensitivity (0.1-1.0) determines how aggressively noise is detected and targeted, and Frequency Smoothing (0.1-0.5) helps maintain natural sound transitions and prevents artifacts. These settings allow you to fine-tune the noise reduction process for different types of audio content, from subtle background noise removal to aggressive cleaning of heavily contaminated recordings.
Multi-Format Audio Support: Universal Compatibility for All Audio Sources
Our audio noise reduction tool supports all major audio formats including MP3 (compressed audio with broad compatibility), WAV (uncompressed audio), AAC (advanced audio coding for Apple devices), FLAC (lossless compression for audiophiles), OGG (open-source format for developers), M4A (Apple audio format for iOS integration), and WMA (Windows Media Audio for legacy systems). The processed output is delivered as MP3 for broad compatibility across browsers, players, and sharing workflows.
Result Review: Check the Cleaned File Before Using It
After processing, the cleaned file appears in the results area so you can download it and review the output. If the cleanup is too light or too aggressive, adjust the settings and process the file again to find a better balance between noise removal and natural sound.
Client-Side Processing: Complete Privacy and Security for Sensitive Content
All audio noise reduction operations occur entirely within your web browser using WebAssembly technology, ensuring complete privacy and security for sensitive content. Your audio files never leave your device or get uploaded to our servers, making this tool safe for processing copyrighted material, confidential recordings, personal content, or any audio where privacy is paramount. This client-side processing approach eliminates data transmission risks while providing audio cleaning capabilities directly in your browser.
Quality Preservation: Maintain Natural Sound During Cleaning
Our noise reduction algorithms are designed to preserve the natural characteristics and quality of your audio content while effectively removing unwanted noise. The intelligent filtering system maintains proper frequency balance, dynamic range, and audio clarity throughout the cleaning process. Aggressive settings can still create artifacts, so moderate settings or Auto Mode are usually better for speech, interviews, and podcasts.
Cross-Platform Compatibility: Universal Access for All Devices and Browsers
Our audio noise reduction tool works seamlessly across all modern devices and browsers, including Windows PCs, Mac computers, Linux systems, Android smartphones, iPhones, and tablets. The WebAssembly-based processing engine lets you clean supported audio files without installing desktop software. Browser and device performance can affect processing speed, but the workflow remains accessible across modern environments. This universal accessibility makes the tool perfect for content creators working across different platforms, remote teams collaborating on audio projects, or users who need consistent results regardless of their device or location.
Frequently Asked Questions
How does the noise reduction work?
Our tool uses advanced audio processing algorithms to identify and reduce background noise while preserving speech and main audio. You can use our "Auto Mode" for one-click enhancement, or manually adjust the reduction amount and sensitivity for precise control.
What types of noise can it remove?
It's effective against constant background noises like fans, air conditioners, hums, hiss, and static. It can also help reduce wind noise and general ambient sound. For best results, the noise should be relatively consistent.
What is the difference between Reduction and Sensitivity?
- Reduction Amount controls how much the noise volume is lowered.
- Sensitivity determines what is considered noise versus signal. Higher sensitivity catches more noise but might affect speech quality if set too high.
What audio formats are supported?
We support all major audio formats including MP3, WAV, AAC, FLAC, OGG, M4A, and WMA. The cleaned audio is downloaded as an MP3 for broad compatibility.
Will it affect the voice quality?
Our algorithm is designed to preserve voice quality while removing noise. However, aggressive noise reduction settings can sometimes make voices sound "underwater" or robotic. We recommend starting with moderate settings or using Auto Mode for the best balance.
Can I process multiple files at once?
Yes! You can upload multiple files to the list. However, noise reduction processing is done one file at a time to ensure optimal performance. You can set different settings for each file if needed.
Is there a file size limit?
Yes, the free limit is 50MB total per processing request. For larger files, we recommend compressing them first or splitting them into smaller segments using our Audio Splitter tool.
Can I preview the result before downloading?
After processing, the cleaned version appears in the results section for download. If the result needs adjustment, change the noise reduction settings and process the file again.