Flash Video (FLV) was the dominant web video format in the 2000s but is now obsolete since Adobe discontinued Flash. This tool converts FLV files to H.264 MP4, which plays everywhere — browsers, phones, and media players.
FLV to MP4 Converter
Modernise your Flash videos to universal MP4
How to convert FLV to MP4
- 1.Upload your FLV file.
- 2.Click "Convert" to re-encode as MP4.
- 3.Download the modern MP4 video.
About This Tool
Frequently Asked Questions
Rarely. Flash was discontinued in 2020. FLV files typically come from old archives, screen recordings, or downloaded web videos from the early internet era.
The tool re-encodes at high quality (CRF 23). Since FLV was often low resolution, the MP4 will look identical to the original.
Browser memory is the limiting factor. Files up to a few hundred MB typically work fine.