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FLV to MP4 converter

Rescue old Flash videos by converting FLV to MP4, which plays in every current browser and on phones.

Drop FLV files hereor pick them from your computer or paste a link
FLV, also MKV, TS, M4V and AVIFree: 50 files a day, up to 1 GB each
  • No account needed
  • No watermark
  • Servers in the EU
  • Deleted after 24 hours

FLV and MP4 at a glance

FLV

Flash Video

FLV was the video format of Adobe Flash and powered most online video in the 2000s. Flash support ended in 2020, so FLV files from old downloads and recorders now need converting.

Browsers
No current browser plays FLV.
No
iPhone
No built-in playback.
No
VLC
Plays FLV on desktop and mobile.
Yes
All FLV conversions

MP4

MPEG-4 Part 14

MP4 is the most widely supported video format today. Phones record in it by default and almost every player and website accepts it.

iPhone
Plays in the Photos and Files apps.
Yes
Windows
Plays in the built-in Media Player app.
Yes
Browsers
Chrome, Safari, Firefox and Edge play MP4 with H.264 video.
Yes
All MP4 conversions

Questions

About converting FLV to MP4.

Why does my FLV file not play anymore?

FLV was made for Adobe Flash, and browsers dropped Flash at the end of 2020. Converted to MP4, the video plays in every current browser.

Does converting FLV to MP4 reduce the quality?

With the default settings most videos keep their original quality. If you change any video setting or set a start or end time, the video is converted with those settings and the picture can change slightly.

Is the FLV to MP4 converter free?

Yes. You can convert up to 50 files a day for free without creating an account.

Where are my files stored?

On servers in the EU, and only for 24 hours. After that they are deleted automatically.