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Convert AVI to MP4

Counter AVI → MP4
Drop your files here .avi

    AVI is an old format that phones and browsers will not play, and its files are large. Converted to MP4, it opens everywhere.

    • Free
    • No sign-up
    • Batch conversion

    Why convert AVI to MP4?

    To convert AVI 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 AVI to MP4

    1. Add your AVI files

      Drag your AVI 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.

    AVI vs MP4

    PropertyAVIMP4
    Full nameAudio Video InterleaveMPEG-4 Part 14
    TypeVideoVideo
    CompressionDepends on codecLossy
    Created byMicrosoftMPEG (ISO/IEC 14496-14)
    Year19922001
    Extensions.avi.mp4 .m4v
    MIMEvideo/x-msvideovideo/mp4

    About the formats

    AVI

    Audio Video Interleave

    AVI is an old video container Microsoft introduced in 1992. Old cameras, DivX/Xvid films and security recorders still produce AVI.

    All AVI 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 AVI 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
    Family Give → Get What you gain
    MP4 AVI works with old players
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    AVI MOV Apple and video editors
    AVI WEBM light video for the web
    AVI MKV multiple audio and subtitles
    AVI GIF silent loop
    AVI WAV sound only, lossless, ready to edit
    AVI M4A sound only, better than MP3 at the same size
    MOV MP4 plays everywhere · iPhone video
    WEBM MP4 plays everywhere · screen recording
    MKV MP4 plays everywhere · OBS and film recordings
    GIF MP4 much smaller animation
    WMV MP4 plays everywhere · Movie Maker video
    FLV MP4 plays everywhere · Flash-era video