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Make an MP4 copy of your MKV

Turn your MKV into an MP4 copy and check its picture and sound before you share it.

Updated

Open MKV to MP4

An eligible guest task may be offered on your device. Otherwise, sign in and check the allowance or credit cost shown. Cloud processing uploads your video and uses credits.

Need a particular audio language or selectable subtitles? Keep your MKV. There’s no track selector here, so check what the MP4 includes before relying on it.

How It Works

  1. Step 1. Choose the MKV and keep MP4 selected
  2. Step 2. Inspect the downloaded copy

Choose the MKV and keep MP4 selected

Open one MKV, up to 500 MB. Work through additional videos one at a time.

Keep MP4 selected under Output, then click Process MKV to MP4. Leave the editing controls unchanged for a straightforward conversion.

To adjust the copy, use the Quality slider between Higher Quality and Smaller File. Resolution offers Original and preset sizes. A setting does not guarantee a particular output size or appearance.

Inspect the downloaded copy

Use Download when processing finishes. The studio also attempts to download the result automatically.

Open the MP4 in the player you intend to use. Listen for the language or audio track you need, check your subtitles, and look through the picture and duration. Keep the MKV so you can return to the original if something is missing.

Convert the MKVInspect the copy

Questions about MKV conversion

No. The video is re-encoded for MP4. Keep the original if you need the source quality or its original container features.

No. This workspace has no track-selection control. If you need a specific subtitle or alternate audio track, do not rely on conversion to choose it for you.

No. Device capability and processing limits also apply. If on-device processing cannot handle the video, check the available cloud option and its credit requirement.

No. Changing the extension does not rebuild the container or change the codecs. Use conversion and check the output's picture, sound, and subtitles. Keep the MKV original when it contains additional tracks or features you may need later.

Learn More

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Best Free MKV to MP4 Converters in 2026 Compared — Editor Verified

Continue with a related tool

Choose another step for your project. Each tool shows its supported inputs and processing options before you start.

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Convert video formats: Choose a compatible format, then trim or compress the video.