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Extract the audio track from MKV videos and save it as high-quality MP3.
Upload your MKV file, click Convert, and download the MP3 audio. FFmpeg extracts and encodes the audio stream using libmp3lame.
Upload your MKV file
Drop a .mkv file onto the upload zone.
Set audio quality
Choose an MP3 bitrate for the extracted audio.
Extract
Click "Extract Audio". FFmpeg pulls the audio from the MKV file.
Download
Save the MP3 file.
Music & Concert Extraction
Extract audio from MKV concert or music video recordings and save as portable MP3.
Podcast Production
Pull audio from MKV interview recordings for editing in podcast production software.
Lecture & Course Audio
Extract audio from MKV lecture recordings to listen while commuting without the full video file.
Language Learning
Extract dialogue from MKV foreign films or shows to create listening practice audio files.
Music Player Import
Convert MKV audio to MP3 for importing into music players that don't handle video containers.
Sound Effects
Extract specific sound effects or music from MKV files for use in creative projects.
VBR MP3 at ~190kbps
libmp3lame quality level 2 delivers excellent VBR MP3 audio that rivals the original source quality.
Multiple Track Support
MKV files often have multiple audio tracks — FFmpeg extracts the default (first) audio stream.
100% Browser-Based
FFmpeg WebAssembly strips video and encodes audio locally — MKV files never leave your device.
Fast Audio Extraction
Audio extraction is much faster than video conversion — no video decoding needed.
Universal MP3 Output
MP3 plays on every device, app, and media player without additional software.
Free to Start — Sign Up for More
Use free with no account for files up to 40 MB. Sign up free to raise your limit to 80 MB, or upgrade to Pro for 250 MB per file.
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