Audio
MP4 to MP3
Turn the audio track from a video into an MP3 file with bitrate control.
Waiting for media
Processing video...No file selected
Selected files stay on this device. File sizes shown before processing use browser metadata only, such as 1.00 MB units.
Your video is processed locally in your browser and is not uploaded to our servers. Processing starts only when you click the button - nothing happens until then.
How to Use MP4 to MP3
- 1.Choose bitrate - Select 96 kbps through 320 kbps depending on the quality you need.
- 2.Upload video - Drop an MP4 or another supported video file.
- 3.Extract - The tool extracts the audio track and discards the video.
- 4.Download - Preview the audio and download the MP3.
MP4 to MP3 Features
Supported MP4 to MP3 Formats
Privacy
Files are handled as local browser objects. BeYourTools does not upload video or audio contents, does not store filenames, and does not send media to third-party processing APIs.
Video Standards & Simple Playback Guide
Working with video requires balancing file size with clear playback. Using MP4 to MP3 helps you prepare clean video clips that play smoothly on any phone, tablet, or computer. Whether you need smaller clips for email or fast-loading videos for your website, our tool gets the job done quickly.
Fast Browser Processing
All video slicing, frame capture, and encoding run directly inside your browser. Your computer or phone handles the work locally, so your large video files never upload over the web.
Everyday Compatibility
Your saved clips keep standard screen shapes, true colors, and clean sound. They open immediately in Apple QuickTime, Windows Media Player, Chrome, and Safari without extra plugins.
MP4 to MP3 Frequently Asked Questions
What if the video has no audio?
The tool will show a friendly processing error. Choose a video that contains an audio track.
Does this preserve the video?
No. The output is an MP3 audio file only.
Is my video uploaded to a server?
No. This tool processes your files locally in your browser. BeYourTools does not upload, store, or send your media to a processing API.
Does processing reduce the quality or resolution of my original video?
Trimming, cutting, and frame extraction keep your original video resolution and picture clarity. Our compressor tool lets you choose how much file size to shave off while keeping your picture sharp.
Are my personal videos uploaded to or viewable by anyone else?
No. All video editing happens right in your browser memory. Your files are never sent to our servers or saved anywhere online. Everything stays safe on your own device.