Online Audio Replacer
Easily replace the audio in your video files right in your browser – no installation or upload needed.
Replace the audio track in your video with a new audio file. Free, fast, and privacy-focused. No upload required, process directly in your browser.
Key Features
Browser-Based Processing
Replace audio directly in your browser without uploading to any server. Perfect for privacy-conscious users.
Multiple Format Support
Works with most video and audio formats including MP4, MP3, WAV, and more.
High-Quality Output
Get the best possible video and audio quality.
Privacy First
All processing happens locally in your browser. Your files never leave your device.
Easy to Use
Simple interface with real-time feedback – perfect for quick audio replacement.
Fast Processing
Replace audio in seconds, even for large video files.
Supported Formats
Works with all major video and audio formats:
MP4, MOV, MKV, WEBM, MP3, WAV, and more
How It Works
Upload your video
Upload new audio
Replace audio
Download your new video