Convert WebM to MKV
Settings
No file yet
Settings appear after you choose a file.
A WebM sitting in a folder of MKV recordings? Convert it to an MKV so the whole video library shares one container.
WebM or MKV?
Keep WebM when
- A program or a site asks for WebM files.
Pick MKV when
- A program or a player asks for MKV files.
About WebM and MKV
WebM
An open video format made for the web. Common for screen recordings and clips saved from sites, less so in media players.
MKV
A flexible video container that holds several audio tracks and subtitles in one file. Popular for films and screen captures.
Questions
Does the MKV look worse?
Not with the Terminal line, which moves the picture and the sound into the MKV exactly as they are. HandBrake encodes the video again as VP9, which drops a little detail.
What does the copy line do?
It puts the picture and the sound in an MKV without encoding them again, so it takes seconds. -c copy means that.
Will the MKV be smaller?
The copy line gives about the same size as the WebM. HandBrake encodes the video again, so its size follows its preset.
Can I convert a whole folder at once?
Yes. Drop them all here. In Terminal, one line converts every WebM in the folder.