Conversion

Convert FLV MP4

Free online Flash Video (FLV) to MP4 video converter. Lossy (size-optimized) quality, processed server-side, no signup required.

Convert FLV to MP4 now
ffmpeg Free tier Lossy (size-optimized) ~6.0s per MB

How to convert FLV to MP4

  1. 1

    Open the converter

    Click the button above — the workspace opens with FLV pre-selected as your source and MP4 as your target.

  2. 2

    Drop your Flash Video (FLV)

    Drag and drop, or click to browse. Your file is uploaded over HTTPS and processed on our private servers — never shared with third parties.

  3. 3

    Download the MP4 video

    The result downloads automatically when conversion finishes. Powered by ffmpeg — the same engine used by professional studios.

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Other ways to make a MP4

3GP MP4 ffmpegAVI MP4 ffmpeg · BusinessGIF MP4 ffmpeg · BusinessM2TS MP4 ffmpegMKV MP4 ffmpeg · BusinessMOV MP4 ffmpeg

Need a different conversion?

Browse the full format compatibility matrix or explore the Convert Tools hub — every supported pair in one place.

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