01
Add your MOV
Drop the QuickTime file on the panel, choose it from disk, or open it from Your Library. Wait until the name and length appear.
MOV to MKV
Turn QuickTime and iPhone MOV files into Matroska MKV for flexible desktop playback and archiving — right in your browser.
Drop a MOV file here
or click to choose from your computer
MOV · MP4 · M4V · QuickTime
Your file will be converted to MKV. Click Convert when ready.
Converting…
Local processing in your browser · Files are not uploaded to our servers
About MOV to MKV conversion
MOV is Apple’s QuickTime container, common for iPhone clips and Mac screen recordings. MKV (Matroska) is a flexible open container used on desktops for playback, backups, and multi-track video. Converting MOV to MKV helps when you want a non-proprietary wrapper that many desktop players open, or when you are collecting mixed camera files into one archive format.
Sound Booster converts in the browser: add a MOV, encode to MKV, then download or save to Your Library. Everyday files are meant to stay on your device for this step rather than being uploaded to a remote conversion service.
Choose MOV to MKV when MP4 is not required by a website but you still need something more universal than QuickTime-only playback. Keep the original MOV if you need an Apple-native master; use MKV for local libraries and cross-platform desktop use.
Very long or 4K sources need enough memory in the tab. If encoding fails, try a shorter clip or convert via the general Video Converter first.
How to convert MOV to MKV
02
Convert to MKV
Click Convert to MKV and keep the tab open while the browser encodes. The first run may load a small local encoder.
03
Download or save
Save the MKV to your device, or store it in Your Library for later tools on Sound Booster.
MOV and MP4 formats
What is a MOV file?
MOV is a multimedia container tied to QuickTime. It carries video, audio, and metadata from iPhones, iPads, and many Mac apps. Outside Apple’s ecosystem it may need conversion before every player and upload form accepts it.
What is an MKV file?
MKV (Matroska) is an open container that can hold video, audio, and subtitles in one file. Desktop players such as VLC handle it well. It is a common choice for local libraries when you want flexibility beyond a single commercial format.
What people use it for
Desktop media libraries
Store iPhone or Mac MOV clips as MKV alongside other downloads in a single player-friendly archive on your PC.
Playback outside QuickTime
Open converted files in cross-platform players without relying on Apple-only tooling or proprietary defaults.
Backup of mixed camera footage
Normalize a folder of MOV recordings into MKV before long-term storage when you want one flexible container for desktop use.
When MP4 is not required
Use MKV for local libraries and archives where a website does not force MP4, but MOV still causes friction on non-Apple machines.
Frequently asked questions
Is MKV better than MP4 for MOV files?
Neither is universally “better.” MP4 wins for uploads and phones; MKV is strong for desktop libraries and flexible containers. Pick based on where the file will live next.
Do my files leave this device?
No. Conversion is designed to run in the browser. Everyday files are not uploaded to Sound Booster servers for this step.
Will phones play MKV?
Support varies by app and device. For social uploads and many mobile apps, MP4 is safer. Use MKV mainly for desktop playback and archives.
Is MOV to MKV free?
Yes on this page, without a mandatory account. Browser memory still limits very large clips.
Why did conversion fail?
Some MOV codecs are difficult in certain browsers, and long 4K files can exhaust memory. Try Chrome or Edge, a shorter clip, and keep the tab active until encoding finishes.