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Convert FLV to MP4

Counter FLV → MP4
Drop your files here .flv

    Flash ended in 2020, so FLV videos no longer play on modern devices. Converted to MP4, it opens everywhere.

    • Free
    • No sign-up
    • Batch conversion

    Why convert FLV to MP4?

    To convert FLV 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 FLV to MP4

    1. Add your FLV files

      Drag your FLV 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.

    FLV vs MP4

    PropertyFLVMP4
    Full nameFlash VideoMPEG-4 Part 14
    TypeVideoVideo
    CompressionLossyLossy
    Created byMacromedia / AdobeMPEG (ISO/IEC 14496-14)
    Year20032001
    Extensions.flv.mp4 .m4v
    MIMEvideo/x-flvvideo/mp4

    About the formats

    FLV

    Flash Video

    FLV was the format of web video in the Flash Player era. Flash ended in 2020, so today these files usually need converting before they will play.

    All FLV 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 FLV 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
    FLV MOV Apple and video editors
    FLV WEBM light video for the web
    FLV MKV multiple audio and subtitles
    FLV AVI works with old players
    FLV GIF silent loop
    FLV MP3 sound only, plays on every device
    FLV WAV sound only, lossless, ready to edit
    MOV MP4 plays everywhere · iPhone video
    WEBM MP4 plays everywhere · screen recording
    MKV MP4 plays everywhere · OBS and film recordings
    AVI MP4 plays everywhere · old camcorder footage
    GIF MP4 much smaller animation
    WMV MP4 plays everywhere · Movie Maker video