MP4 to MP3
Extract audio from MP4 videos and convert to MP3 format.
Convert audio files to MP3 format for universal playback compatibility. Maintain crisp sound quality while creating smaller files perfect for music libraries, podcasts, and mobile devices. Support for various input formats including WAV, FLAC, and AAC.
100% Online
Works in your browser on Windows, Mac, Linux, or Chrome OS.
Fast & Efficient
Process files in seconds with our optimized conversion engine.
Privacy Protected
Your files are automatically deleted after processing.
High Quality
Professional-grade conversion with original quality preserved.
No Registration
Start converting immediately without creating an account.
Unlimited Access
Convert as many files as you need, completely free.
Upload File
Click the upload area or drag and drop your MP4/M4V file to get started.
Choose Format
Select your desired output format from the dropdown menu: MP3.
Download Result
Click convert and download your converted file in seconds - it's that simple!
Input Formats
Output Formats
Premium Quality
Advanced algorithms ensure the highest quality output with minimal compression artifacts.
Lightning Fast
Optimized processing servers deliver your converted files in record time.
Bank-Level Security
Your files are protected with enterprise-grade security and automatically deleted after processing.
Audio Format Comparison: Lossy vs Lossless
Audio formats fall into two main categories: lossy compression (smaller files, some quality loss) and lossless compression (larger files, no quality loss). Understanding these differences helps you choose the right format for your audio needs.
Lossy Audio Formats:
MP3
Most popular, good compression, universal compatibility
AAC
Better quality than MP3, used by Apple and streaming services
OGG Vorbis
Open source, good compression, free alternative to MP3
WMA
Microsoft format, good compression, Windows compatibility
Lossless Audio Formats:
FLAC
Free lossless audio codec, excellent compression
WAV
Uncompressed, highest quality, large file sizes
ALAC
Apple lossless codec, iTunes compatibility
When to Use Each Format:
- MP3: General music listening, podcasts, web audio
- AAC: Apple devices, streaming services, mobile apps
- FLAC: Music archiving, audiophile listening, professional audio
- WAV: Professional recording, audio editing, maximum quality
- OGG: Open source projects, Linux systems, gaming
Music Lovers
Convert music files for different devices and streaming services.
Common Examples:
- • iPhone music
- • Android playlists
- • Spotify imports
- • iTunes library
Podcasters
Transform audio recordings for podcast platforms and distribution.
Common Examples:
- • Podcast episodes
- • Interview recordings
- • Audio books
- • Radio shows
Audio Professionals
Convert audio files for professional editing and production workflows.
Common Examples:
- • Studio recordings
- • Live performances
- • Audio mixing
- • Sound effects
Supported File Sizes
- Free Users: Up to 100MB
- Premium Users: Up to 1GB
- Batch Processing: Multiple files
Processing Speed
- Small Files (<10MB): <30 seconds
- Medium Files (10-50MB): 1-3 minutes
- Large Files (50MB+): 3-10 minutes
Security Features
- SSL Encryption
- Automatic File Deletion
- No Data Storage
Quality Settings
- High Quality: Lossless
- Medium Quality: Optimized
- Small File Size: Compressed