How do I convert MKV files?

Choose your MKV files or drop them on this page, pick the format you need (MP4, MP3, WEBM, MOV, GIF, WAV, M4A, FLAC, OGG, OPUS and AAC), then select Convert and save the results.

Is it safe to convert MKV files here?

Yes. Decant converts MKV files in your browser, so they aren't uploaded to a server, and nothing is stored or logged.

Can I convert many MKV files at once?

Yes. Add as many as you like and they convert together; when there are several results you can save them all as one ZIP.

MKV converter: free, private, no upload

Decant

.mkv.mp4

Convert MKV files to MP4, MP3, WEBM and more, without uploading them. No ads, no tracking, no sign-up.

or drop them anywhere on the page, or paste

What are MKV files?

MKV (Matroska) is a flexible video container that can hold several audio and subtitle tracks. It's common for films, but many devices won't play it.

Convert MKV to

MP4
MP3
WEBM
MOV
GIF
WAV
M4A
FLAC
OGG
OPUS
AAC

Questions

How do I convert MKV files?: Choose your MKV files or drop them on this page, pick the format you need (MP4, MP3, WEBM, MOV, GIF, WAV, M4A, FLAC, OGG, OPUS and AAC), then select Convert and save the results.
Is it safe to convert MKV files here?: Yes. Decant converts MKV files in your browser, so they aren't uploaded to a server, and nothing is stored or logged.
Can I convert many MKV files at once?: Yes. Add as many as you like and they convert together; when there are several results you can save them all as one ZIP.