Free MP4 to MP3
Converter Online
Convert MP4 to MP3 online free. Extract audio from video instantly in your browser with our free MP4 to MP3 converter. 100% private - your files never leave your device.
Upload Your Video
Drag and drop or click to browse
or drag & drop video files here
Supports MP4, WebM, MOV, AVI
Audio Conversions
Countries Served
Browser Privacy
Forever Free
100% Private MP4 to MP3 Conversion
Convert MP4 to MP3 entirely in your browser. Your video files are never uploaded to any server. Our free online converter uses FFmpeg.wasm technology for complete privacy and security.
Convert MP4 to Multiple Audio Formats
Our MP4 to MP3 converter supports MP3, WAV, AAC, OGG, and FLAC output formats. Extract audio from video with customizable bitrate settings from 128kbps to 320kbps for perfect quality.
Fast MP4 to MP3 Converter Online
Convert MP4 to MP3 instantly with our browser-based video to audio converter. No upload queues, no waiting - extract audio from video in seconds with FFmpeg.wasm technology.
High Quality Audio Extraction
Extract audio from MP4 without quality loss. Our MP4 to MP3 converter offers 128kbps, 192kbps, 256kbps, and 320kbps bitrate options with 44.1kHz or 48kHz sample rates.
How to Convert MP4 to MP3 Online Free
Extract audio from video with our free MP4 to MP3 converter in 3 simple steps
Upload Video to Convert
Select your MP4, WebM, MOV, or AVI video file. Our free online MP4 to MP3 converter accepts all common video formats for instant audio extraction.
Choose MP3 Quality Settings
Select output format (MP3, WAV, AAC, OGG, FLAC) and bitrate (128kbps to 320kbps). Our video to audio converter lets you customize sample rate and trim audio.
Convert MP4 to MP3 & Download
Click convert and download your MP3 file instantly. The entire MP4 to MP3 conversion happens in your browser - completely free and 100% private.
Best Free MP4 to MP3 Converter Online
Why choose our MP4 to MP3 converter? Unlike other online converters that upload your files to remote servers, we convert MP4 to MP3 locally in your browser using FFmpeg.wasm. This means faster video to audio conversion, complete privacy, and no file size limits - all completely free.
Convert MP4 to MP3 instantly. No upload queues.
Extract audio from video without uploading files.
| Feature | Our Tool | Others |
|---|---|---|
| 100% Browser-based (No Upload) | ||
| Instant MP4 to MP3 Conversion | ||
| Unlimited Video File Size | ||
| Forever Free MP4 to MP3 Converter | ||
| No Software Installation Required | ||
| MP3 Quality 128kbps to 320kbps | ||
| MP3, WAV, AAC, OGG, FLAC Output |
Video to Audio Format Support
Our free MP4 to MP3 converter supports all popular video input formats and multiple audio output options for extracting audio from video
Input Video Formats
Output Audio Formats
MP4 to MP3 Converter Reviews
Join millions who use our free MP4 to MP3 converter online to extract audio from video
Podcast Creator
"Best free MP4 to MP3 converter I've found. I convert MP4 to MP3 daily to extract audio from my video recordings. The quality is excellent and completely private."
Music Producer
"Finally a video to audio converter that doesn't compress my files. The 320kbps MP3 option gives me the quality I need when I convert MP4 to MP3."
Graduate Student
"This MP4 to MP3 converter is perfect for converting lecture videos to MP3. I can listen while commuting without draining my phone battery."
Podcast Creator
"Best free MP4 to MP3 converter I've found. I convert MP4 to MP3 daily to extract audio from my video recordings. The quality is excellent and completely private."
Music Producer
"Finally a video to audio converter that doesn't compress my files. The 320kbps MP3 option gives me the quality I need when I convert MP4 to MP3."
Graduate Student
"This MP4 to MP3 converter is perfect for converting lecture videos to MP3. I can listen while commuting without draining my phone battery."
Podcast Creator
"Best free MP4 to MP3 converter I've found. I convert MP4 to MP3 daily to extract audio from my video recordings. The quality is excellent and completely private."
Music Producer
"Finally a video to audio converter that doesn't compress my files. The 320kbps MP3 option gives me the quality I need when I convert MP4 to MP3."
Graduate Student
"This MP4 to MP3 converter is perfect for converting lecture videos to MP3. I can listen while commuting without draining my phone battery."
Podcast Creator
"Best free MP4 to MP3 converter I've found. I convert MP4 to MP3 daily to extract audio from my video recordings. The quality is excellent and completely private."
Music Producer
"Finally a video to audio converter that doesn't compress my files. The 320kbps MP3 option gives me the quality I need when I convert MP4 to MP3."
Graduate Student
"This MP4 to MP3 converter is perfect for converting lecture videos to MP3. I can listen while commuting without draining my phone battery."
Marketing Manager
"We needed to extract audio from video for hundreds of webinar recordings. This free online MP4 to MP3 converter handled everything with no file size limits."
Fitness Instructor
"I use this free converter to extract audio from video for my workout classes. Browser-based MP4 to MP3 conversion is so convenient!"
Software Developer
"This MP4 to MP3 converter online runs entirely in the browser. No server uploads means complete privacy when I extract audio from MP4 files."
Marketing Manager
"We needed to extract audio from video for hundreds of webinar recordings. This free online MP4 to MP3 converter handled everything with no file size limits."
Fitness Instructor
"I use this free converter to extract audio from video for my workout classes. Browser-based MP4 to MP3 conversion is so convenient!"
Software Developer
"This MP4 to MP3 converter online runs entirely in the browser. No server uploads means complete privacy when I extract audio from MP4 files."
Marketing Manager
"We needed to extract audio from video for hundreds of webinar recordings. This free online MP4 to MP3 converter handled everything with no file size limits."
Fitness Instructor
"I use this free converter to extract audio from video for my workout classes. Browser-based MP4 to MP3 conversion is so convenient!"
Software Developer
"This MP4 to MP3 converter online runs entirely in the browser. No server uploads means complete privacy when I extract audio from MP4 files."
Marketing Manager
"We needed to extract audio from video for hundreds of webinar recordings. This free online MP4 to MP3 converter handled everything with no file size limits."
Fitness Instructor
"I use this free converter to extract audio from video for my workout classes. Browser-based MP4 to MP3 conversion is so convenient!"
Software Developer
"This MP4 to MP3 converter online runs entirely in the browser. No server uploads means complete privacy when I extract audio from MP4 files."
Free MP4 to MP3 Converter Online - Extract Audio from Video
Looking for the best way to convert MP4 to MP3 online free? Our free MP4 to MP3 converter is the fastest and most private video to audio converter available. Unlike other online converters that upload your files to remote servers, we convert MP4 to MP3 directly in your browser using FFmpeg.wasm technology. Extract audio from video instantly - your files never leave your device, ensuring complete privacy.
There are many reasons to convert MP4 to MP3 or extract audio from video files. You might want to listen to podcasts or lectures without video playback draining your battery. Perhaps you need to extract audio from MP4 for a project, or create an MP3 version of a music video. Converting MP4 to MP3 significantly reduces file size while preserving audio quality. Our free online MP4 to MP3 converter makes video to audio conversion simple, fast, and 100% private.
