Convert MP4 to MP3 in Seconds
Extract crystal-clear audio from your video files instantly. No quality loss, no watermarks, no limits. Just drag, drop, and download your MP3.
Lightning Fast
Most conversions complete in under 3 seconds. Our enterprise infrastructure ensures consistently fast processing.
Bank-Level Security
Files auto-delete after 24 hours, processed in secure containers. We're SOC2 compliant and never access your content.
Studio-Quality Audio
Preserve original audio bitrate up to 320kbps. Choose from 128kbps, 192kbps, 256kbps, or 320kbps for perfect balance.
What is MP4?
MP4 (MPEG-4 Part 14) is a digital multimedia container format most commonly used to store video, audio, and subtitles. It is the global standard for video streaming and playback across almost all devices.
What is MP3?
MP3 (MPEG-1 Audio Layer III) is an audio-specific coding format that uses lossy data compression. It is the most popular format for music storage and playback because it offers small file sizes without significant loss in quality.
When to Use MP4 to MP3 Conversion
Converting MP4 to MP3 is perfect for extracting audio from video files. Here are the most common use cases:
- Podcast Episodes: Create podcast episodes from video recordings
- Music Extraction: Extract music from music videos
- Offline Listening: Convert lecture videos to audio for offline listening
- Audiobooks: Make audiobooks from video content
- File Size Reduction: Reduce file sizes for audio-only playback
- Music Libraries: Build music libraries from YouTube downloads
Frequently Asked Questions
Is the MP4 to MP3 converter really free?
Yes, completely free with no hidden charges. Convert unlimited MP4 files to MP3 without creating an account. Free users can process files up to 1GB, while Pro subscribers can handle files up to 10GB.
How long does MP4 to MP3 conversion take?
Most conversions complete in under 3 seconds. The exact time depends on your file size and current server load, but our enterprise infrastructure ensures consistently fast processing.
What audio quality can I expect from the conversion?
Our converter preserves the original audio quality from your MP4 file. You can choose output bitrates from 128kbps to 320kbps. For best quality, select 320kbps, which delivers studio-grade audio.
Is my video file safe during conversion?
Absolutely. We process all files in memory-only containers with bank-level encryption. Your files are automatically and permanently deleted from our servers within 24 hours. We're SOC2 compliant and never access or share your content.
Do I need to install any software?
No installation required. Our MP4 to MP3 converter runs entirely in your browser. It works on Windows, Mac, Linux, iOS, and Android devices without downloading any apps.
Can I convert copyrighted videos to MP3?
You should only convert videos you own or have permission to use. Our tool is designed for personal use and legitimate purposes. We don't monitor content, but users are responsible for complying with copyright laws.
What's the maximum file size for MP4 to MP3 conversion?
Free users can convert files up to 1GB. Pro plan subscribers can process files up to 10GB per conversion. For larger files or batch processing, consider upgrading to our Developer Pro plan.
Will the conversion work on my phone?
Yes! Our converter is fully mobile-responsive and works on all smartphones and tablets. You can upload from your device's camera roll and save the converted MP3 directly to your phone.
What happens if the conversion fails?
If a conversion fails for any reason, we automatically refund any API credits used. You can also contact our support team for assistance. We maintain a 99.9% success rate across all conversions.
Can I edit the MP3 after conversion?
While our tool specializes in conversion, the resulting MP3 file can be edited in any audio editing software like Audacity, Adobe Audition, or GarageBand. We also offer audio trimming tools (coming soon).