Free MKV to MP3 Converter Online
Extract audio from MKV videos as MP3
Works on Mac, Windows, Linux, iPhone, and Android — no download or install required.
Drag a MKV file here or click to select
File should not exceed 1GB
How to Use This Tool
1
Upload your MKV file using drag and drop or the file browser
2
Click "Convert to MP3" to begin audio extraction
3
Wait while we process and encode the audio track
4
Download your MP3 file
What is MKV?
MKV (Matroska Video) is an open-source container format popular for high-quality movie rips and multi-language content. It can hold multiple audio tracks, subtitles, and chapter markers. While powerful for storage, MKV files are cumbersome when you only need the audio — extracting it as MP3 gives you a lightweight file that plays anywhere.
What is MP3?
MP3 (MPEG-1 Audio Layer III) is the most universally supported audio format in the world. Small file sizes, high perceptual quality, and compatibility with every device and audio app make it the go-to format whenever you need audio that works everywhere.
Why Convert MKV to MP3?
MKV files are large and complex — they often contain multiple audio tracks and subtitles alongside the video. If you only need the audio from a movie, documentary, or recorded lecture, extracting it as MP3 is far more practical. Our converter pulls the primary audio track and encodes it as a high-quality MP3 in the browser — no software or account required for files up to 1GB.
Key Features
Multi-Track Aware
Extracts the primary audio track; MKV files with multiple tracks use the first
High Quality Output
Audio encoded at up to 192kbps to preserve the original sound quality
No Registration Required
Convert without an account for files up to 1GB
Works on Any Device
Browser-based — use on iPhone, Android, Windows, or Mac
Fast & Secure
SSL-encrypted processing with automatic file deletion after download
No Watermarks
Your MP3 is clean with no added branding
Free Usage Limits
Free (No Account)
1GB
max file size
3
conversions per day
3GB
bandwidth per day
14-Day Free Trial
5GB
max file size
5
conversions per day
25GB
bandwidth per day
14-day trial · cancel anytime
Frequently Asked Questions
Take Your Videos Further
Need more than just conversion? With vitelnk, you can embed your processed video on any website, add password protection, expiring links, viewer registration, and analytics.
14-day free trial · cancel anytime.
Privacy & Security
Your files are processed securely with SSL encryption and automatically deleted after download. We never store or share your files. All processing happens on our secure servers.