Privacy tools
Upload audio or video, shift pitch, adjust EQ, and optionally beep profanity — download a speaker-anonymous file in seconds.
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How it works
A rate factor below 1.0 lowers pitch; above 1.0 raises it. Tempo is auto-corrected so speech stays natural-paced. Adjust the slider to disguise voice tone without sounding robotic.
Multi-band equalization and compression further alter voice characteristics, making speaker re-identification significantly harder. Combine with pitch shift for maximum anonymization.
Enable NSFW detection to automatically detect and mute offensive words with a 1 kHz beep tone — similar to TV censorship. Ideal for public sharing or broadcast-ready content.
Works with MP3, WAV, OGG, FLAC, AAC, M4A, OPUS, WEBM, MP4, MOV, AVI, and MKV files. No conversion needed — upload and download in the same format.
Files are processed in memory and deleted immediately after download. We never store voice or audio data. Your identity and your subjects' identities remain fully protected.
Our AI analyzes your video and automatically detects and blurs backgrounds, faces, license plates, or any objects you select with motion tracking.
We support MP4, MOV, and M4V formats for all blur functions including face blur video and background blur.
Free users can blur videos under 200MB and 10 minutes. Pro users get unlimited blur processing with longer video support.
AI face swap uses advanced artificial intelligence to detect and replace a face in a video with another face while keeping expressions, lighting, and angles natural.
You should use face anonymization when sharing content publicly, handling sensitive data, or complying with privacy laws to protect identities.
With BgBlur, you can easily blur face or pixelate face by uploading your content, and the AI will automatically detect and apply the effect in seconds.
Yes, BgBlur allows you to blur licence plate or blur number plate in video online free with just a few clicks, no technical skills required.
To blur multiple objects online, upload your video and select the Blur Anything feature. Then add multiple object names separated by commas and proceed, and our AI will automatically blur those objects.
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BGBlur also blurs faces, license plates, and custom regions in video — all in your browser.
Open video blur editor