Convert MP4 to FLV
Fast, free MP4 to FLV conversion — works in any browser
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mp4
The format within the MPEG-4 Part 14 standard
| File extension | .mp4 .m4v |
|---|---|
| File category | video |
| Programs | VLC media player Windows Media Player Apple QuickTime Player MPV Kodi |
| Tech description | https://en.wikipedia.org/wiki/MPEG-4_Part_14 |
| MIME type | video/mp4 |
| Developer | MPEG group (ISO/IEC) |
Created in 1988, it was intended for video files. A file of this format contains video and audio information, images and subtitles. When compressed, the files do not lose quality. The format includes various types of multimedia content: videos, animations, audio, 2D and 3D graphics. Files of this format can be used and viewed on the Internet. In this case, a metadata transfer takes place. The full name of the format is MPEG-4 Part 14.
flv
Flash Video
| File extension | .flv |
|---|---|
| File category | video |
| Programs | Microsoft Windows Photo Gallery Viewer VideoLAN VLC Media Player Windows Media Player FFDShow |
| Tech description | https://en.wikipedia.org/wiki/Flash_Video |
| MIME type | |
| Developer | Adobe Systems |
FLV file is a bitstream created for video transmission over the Internet. Audio information in flv files is usually encoded in mp3, but other formats are also possible. Being one of the oldest flash-formats, FLV is very popular because of its simplicity, although it is inferior to more modern formats in quality, especially when using a low bit rate. Although the format is primarily intended for streaming video, it can also be used to store information locally.
FAQ
How to convert FLV to MP4?
Upload your FLV file, select MP4 as the output format, and click Convert. The converted file will be ready to download in seconds — no account or installation required.
How long does it take to convert FLV to MP4?
Most FLV files convert in seconds. Larger files may take up to a few minutes depending on size and internet speed. You can track the progress bar in real time during conversion.
Is it safe to convert FLV files online?
Yes. All uploaded FLV files and converted MP4 results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert FLV on iPhone or Android?
Yes, our converter works on all devices and operating systems — iPhone, iPad, Android, Windows, and macOS. Open the site in your mobile browser, upload the FLV file and convert to MP4 without installing any app.
