MOV to MKV
FreeConvert MOV to MKV (H.264 + AAC).
Max 50 MB free · 200 MB on a plan. Sign in is required for server processing. Uploads are deleted after the job.
Drag files here
Single file · MOV only · Max 50 MB
Processed in your browser, files never uploaded. Originals and edits stay on this device for 1 hour.
Showcase
What MOV to MKV is for
Convert MOV to MKV (H.264 + AAC).
- Convert MOV to MKV (H.264 + AAC).
- Built for creators editing clips for social and production
- Browser processing keeps files on your device whenever the tool runs locally
How to use MOV to MKV
Convert MOV to MKV (H.264 + AAC).
Add your file
Drop or choose a file in the workspace
Adjust options
Tune settings until the job matches what you need
Process
Run the tool and wait for the result to appear
Preview & save
Check the output, then download when you are happy
FAQs
Answers to the questions people ask most about privacy, quality, limits, and MOV to MKV.
Yes. MOV to MKV is free for everyday use. It runs in your browser with no account required for this tool.
This tool uploads your file for server-side processing. Files are deleted after processing completes. Sign in is required.
No desktop install. Sign in is required so we can process your file on our servers. Open the page, upload, process, then download.
It depends on the settings. Lossy formats (like JPG/WebP) and compress tools trade some detail for a smaller file — use the quality controls when shown, and preview before you download. Lossless options (like PNG) keep full detail when available.
Accepted types for MOV to MKV are listed in the upload area. Free accounts can process up to 50 MB. Paid plans include 200 MB; files up to 1 GB use 1 credit. Sign in is required. Welcome credits cannot raise the free 50 MB cap.
Yes, in modern mobile browsers (Chrome, Safari, Firefox, Edge). Large PDFs, images, or videos can be slower on phones because processing uses your device memory and CPU.
Server jobs depend on file size, length, and current capacity. Keep this tab open while the job runs. If it fails, try a smaller file or a clearer region and run again — unfinished uploads are deleted.
Yes. Results show in the workspace first. Download only when you are happy with the output. Use Compare on image/video results when you want to check against the original.
MP4 (H.264) is the most reliable. Other formats may work depending on codecs. Check the upload hint for this tool.
This tool re-encodes on our server for every file size so quality stays reliable. Upload and encode time depend on clip length and resolution.
Yes for this tool — the file is uploaded for server-side encoding. Files are deleted after processing. Sign in is required.
JPG is smaller for photos, PNG keeps sharp edges and transparency, WebP is often smaller for the web, and PDF is best for documents or print packs. Use the dedicated converter when you already know the target format.