Free Batch MP4 to MP3
Converter Online
Bulk convert multiple MP4 files to MP3 at once — entirely in your browser. No upload, no limits, 100% private. Drop your files, click convert, download as ZIP.
Drop Multiple Video Files
Drag and drop multiple files or click to browse
or drag & drop multiple video files here
Supports MP4, WebM, MOV, AVI, MKV, FLV
Audio Conversions
Countries Served
Browser Privacy
Forever Free
Batch Convert MP4 to MP3 at Once
Drop dozens of MP4 files and convert them all to MP3 in one click. Our batch converter processes files sequentially in your browser — no server uploads, no queue.
100% Private Batch Conversion
All files are processed locally using FFmpeg.wasm. Your videos never leave your device — perfect for sensitive recordings, corporate content, or personal files.
Download All as ZIP
After batch conversion, download all your MP3 files in a single ZIP archive. No need to download files one by one.
Consistent Quality Settings
Set format, bitrate (128–320 kbps), sample rate, and channels once — applied uniformly to every file in your batch.
How to Batch Convert MP4 to MP3
Convert multiple video files to MP3 in 3 simple steps
Drop Multiple MP4 Files
Drag and drop multiple MP4, WebM, MOV, AVI, MKV, or FLV files onto the converter. No file size limits.
Choose MP3 Quality
Select bitrate (128, 192, or 320 kbps) and audio settings. These apply to all files in the batch.
Convert & Download ZIP
Click 'Convert All' and watch each file convert with real-time progress. Download all MP3s as a ZIP when done.
Best Batch MP4 to MP3 Converter Online
Unlike other batch converters that upload your files to remote servers, our tool converts MP4 to MP3 locally in your browser. Faster, more private, and no file count limits.
Convert all files in one session — no reloading between files.
Files processed locally — zero server exposure.
| Feature | Our Tool | Others |
|---|---|---|
| 100% Browser-based (No Upload) | ||
| True Batch Conversion | ||
| Download All as ZIP | ||
| Unlimited File Size & Count | ||
| Forever Free |
Batch Video to Audio Format Support
Our batch converter accepts all major video formats and converts them to MP3 or other audio formats
Input Video Formats
Output Audio Formats
Batch MP4 to MP3 Converter Reviews
Trusted by podcasters, students, DJs, and content creators worldwide
Podcast Producer
"I batch convert 20+ interview recordings every week. This tool handles all of them in one session without any upload — huge time saver."
University Student
"I have 50 lecture videos every semester. Batch converting them to MP3 lets me listen on my commute. Private and free — perfect."
Music DJ
"I batch extract audio from music video collections weekly. The 320kbps output and ZIP download make this my go-to tool."
Podcast Producer
"I batch convert 20+ interview recordings every week. This tool handles all of them in one session without any upload — huge time saver."
University Student
"I have 50 lecture videos every semester. Batch converting them to MP3 lets me listen on my commute. Private and free — perfect."
Music DJ
"I batch extract audio from music video collections weekly. The 320kbps output and ZIP download make this my go-to tool."
Podcast Producer
"I batch convert 20+ interview recordings every week. This tool handles all of them in one session without any upload — huge time saver."
University Student
"I have 50 lecture videos every semester. Batch converting them to MP3 lets me listen on my commute. Private and free — perfect."
Music DJ
"I batch extract audio from music video collections weekly. The 320kbps output and ZIP download make this my go-to tool."
Podcast Producer
"I batch convert 20+ interview recordings every week. This tool handles all of them in one session without any upload — huge time saver."
University Student
"I have 50 lecture videos every semester. Batch converting them to MP3 lets me listen on my commute. Private and free — perfect."
Music DJ
"I batch extract audio from music video collections weekly. The 320kbps output and ZIP download make this my go-to tool."
Video Editor
"Converting multiple project video files to audio drafts used to take forever. Now I just drop the whole folder and convert all at once."
Language Teacher
"I convert batches of video lessons to MP3 for students to download. No uploads means my students' data stays private."
Developer
"Browser-based batch processing with FFmpeg.wasm is exactly what I needed. Fast, private, and the ZIP download is a great touch."
Video Editor
"Converting multiple project video files to audio drafts used to take forever. Now I just drop the whole folder and convert all at once."
Language Teacher
"I convert batches of video lessons to MP3 for students to download. No uploads means my students' data stays private."
Developer
"Browser-based batch processing with FFmpeg.wasm is exactly what I needed. Fast, private, and the ZIP download is a great touch."
Video Editor
"Converting multiple project video files to audio drafts used to take forever. Now I just drop the whole folder and convert all at once."
Language Teacher
"I convert batches of video lessons to MP3 for students to download. No uploads means my students' data stays private."
Developer
"Browser-based batch processing with FFmpeg.wasm is exactly what I needed. Fast, private, and the ZIP download is a great touch."
Video Editor
"Converting multiple project video files to audio drafts used to take forever. Now I just drop the whole folder and convert all at once."
Language Teacher
"I convert batches of video lessons to MP3 for students to download. No uploads means my students' data stays private."
Developer
"Browser-based batch processing with FFmpeg.wasm is exactly what I needed. Fast, private, and the ZIP download is a great touch."