FLV to MP4
Convert Flash Video to modern MP4 with codec, quality, and resolution options.
No watermarkFree & unlimited
Processed on our servers and deleted right after. Never stored or shared.
About this tool
- 1
Upload FLV File
Select a Flash Video (FLV) file from your device to convert.
- 2
Choose Settings
Select the output video quality and audio bitrate for the MP4 file.
- 3
Convert
Click convert to re-encode the FLV video as an MP4 file.
- 4
Download
Save the converted MP4 file to your device.
- FLV is an obsolete format; converting to MP4 ensures your videos remain playable.
- Most FLV files are relatively low resolution, so keep the original resolution to avoid upscaling artifacts.
- Audio in FLV files is often MP3 or AAC; both are handled automatically during conversion.
- Process old Flash video archives in batch to modernize your entire collection.
- Converts legacy Flash Video (FLV) to modern MP4 (H.264 + AAC)
- Adjustable output quality and compression settings
- Handles FLV files with H.263, VP6, and H.264 video codecs
- Preserves original resolution and aspect ratio
- Fast conversion with browser-based processing
- Rescuing old Flash video downloads from the pre-HTML5 web era
- Converting archived FLV screen recordings to a playable format
- Making FLV files compatible with modern video editors
- Preparing legacy video content for upload to YouTube or social media
FLV was designed for Adobe Flash Player, which was discontinued in 2020. Modern browsers and most media players no longer support FLV natively.
There is minimal quality loss during re-encoding. Since most FLV files were already compressed, using a high quality setting preserves the visual fidelity well.
Yes. FLV screen recordings from tools like Camtasia or OBS (older versions) are fully supported and convert cleanly to MP4.