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Convert MKV to MP4

Counter MKV → MP4
Drop your files here .mkv

    iPhones, social networks and some TVs do not accept MKV. Converted to MP4, it opens everywhere.

    • Free
    • No sign-up
    • Batch conversion

    Why convert MKV to MP4?

    To convert MKV files to MP4, drop them on the counter above. MP4 plays smoothly on every phone, browser and social network.

    Most files convert in seconds: no queue, no email address, and the MP4 result saves straight to your computer or phone.

    How to convert MKV to MP4

    1. Add your MKV files

      Drag your MKV files onto the counter or pick them with Choose files. You can add several at once.

    2. Check the settings

      The defaults suit most cases. Change quality, size or other options if you like; after a change, one click converts again.

    3. Conversion starts by itself

      Each file is converted to MP4 and its row is stamped CONVERTED.

    4. Download your MP4 file

      Get the file with Download. With several files you can download them all as one ZIP.

    MKV vs MP4

    PropertyMKVMP4
    Full nameMatroska VideoMPEG-4 Part 14
    TypeVideoVideo
    CompressionDepends on codecLossy
    Created byMatroskaMPEG (ISO/IEC 14496-14)
    Year20022001
    Extensions.mkv.mp4 .m4v
    MIMEvideo/x-matroskavideo/mp4

    About the formats

    MKV

    Matroska Video

    MKV (Matroska) is a flexible video container that can hold several audio tracks, subtitles and chapters in one file. It is common in film collections and OBS recordings.

    All MKV conversions

    MP4

    MPEG-4 Part 14

    MP4 is the most common video format in the world. It usually carries H.264 video and AAC audio and plays smoothly on phones, browsers, TVs and social networks.

    All MP4 conversions

    Frequently asked questions

    Is converting MKV to MP4 free?

    Yes, completely free. No account, no daily limit, no watermark and no queue.

    Does it work on a phone?

    Yes. It works on iPhone, iPad and Android, with no app to install.

    Is there a file size limit?

    There is no size limit set by us. Files of hundreds of MB convert too; very large files take longer and are handled more comfortably on a computer than on a phone.

    Other conversions
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    MKV WEBM light video for the web
    MKV AVI works with old players
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    MKV WAV sound only, lossless, ready to edit
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    WEBM MP4 plays everywhere · screen recording
    AVI MP4 plays everywhere · old camcorder footage
    GIF MP4 much smaller animation
    WMV MP4 plays everywhere · Movie Maker video
    FLV MP4 plays everywhere · Flash-era video