Convert MOV to MKV online in seconds — free, with no sign-up. MKV is lossy and ideal for archiving films with multiple tracks; converted to MP4 for compatibility. Your files are encrypted and deleted automatically after 24 hours.
MOV
QuickTime Movie — Apple's high-quality container, often large and used for capture and editing.
MKV
Matroska Video — A flexible container that holds multiple audio, video and subtitle tracks.
How to convert MOV to MKV
- 1Upload your MOV file
Click “Choose a file” or drag and drop your MOV file onto the page — no sign-up or email needed.
- 2Convert to MKV
MKV is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your MKV file
Your MKV file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
MOV vs MKV
| MOV | MKV | |
|---|---|---|
| Full name | QuickTime Movie | Matroska Video |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Best for | editing on Apple devices; converted to MP4 for distribution | archiving films with multiple tracks; converted to MP4 for compatibility |
Frequently asked questions
Does converting MOV to MKV lose quality?
Both MOV and MKV use compression, so re-encoding discards a little more data. For a single conversion the change is virtually invisible; just avoid repeatedly re-converting the same file.
What's the difference between MOV and MKV?
QuickTime Movie (MOV) is lossy and best for editing on Apple devices; converted to MP4 for distribution. Matroska Video (MKV) is lossy and best for archiving films with multiple tracks; converted to MP4 for compatibility. Convert MOV to MKV when you need a video for archiving films with multiple tracks.
Is the MOV to MKV converter free?
Yes — converting MOV to MKV is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my MOV files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert MOV to MKV on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert MOV to MKV?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert MOV files to?
Besides MKV, you can convert MOV to AAC, AVI, FLAC, FLV, GIF, JPG and more — see the full list of MOV conversions below.
Other conversions
Last updated July 2026