Remove Background Noise from Video
Clean up fan noise, AC hum, and room echo from any video recording. Free, instant, and completely private. Everything runs in your browser. Your video never leaves your device.
Drop your video file here
or click to select a file
Supports MP4, MOV, MKV, WebM, AVI (Max 500MB on desktop, 100MB on mobile)
How It Works
1. Upload your video
Pick any video file: interview, vlog, tutorial, or screen recording.
2. Audio gets cleaned
Sondra extracts the audio track, removes background noise, then reattaches it to your video. All in your browser.
3. Download clean video
Same video, cleaner sound. Ready to publish or share.
What Background Noises Can Sondra Remove from Video?
Whether you're recording a YouTube tutorial, a client interview, or a social media video, background noise is one of the most common problems creators face. Sondra targets the most frequent offenders:
- Fan and AC noise: the constant hum from laptop fans, air conditioning, or ventilation that bleeds into every indoor recording.
- Room hiss: the steady hiss present in most microphone and camera audio, especially in untreated spaces.
- Electrical hum: 50Hz or 60Hz buzz from lighting rigs, power adapters, or HDMI connections.
- Ambient room presence: low-level background noise from the environment that makes recordings sound less professional.
Sondra works by processing only the audio track of your video. The video itself is untouched. The cleaned audio is then merged back with the original video stream, keeping your video quality exactly as recorded.
Why Your Video's Audio Quality Matters More Than You Think
Studies on viewer retention consistently show that poor audio drives people away faster than poor video. A slightly shaky camera or imperfect lighting is forgivable. A constant fan hum or background hiss in every sentence is not.
For YouTubers, the difference between a video that gets watched until the end and one that gets skipped often comes down to audio quality. For businesses recording client-facing content, background noise signals a lack of professionalism before a single word is understood. Removing background noise from your video before publishing takes less than a minute with Sondra, and the improvement in perceived quality is immediate.