Why do I still have FLV files?

FLV was the standard container for Flash video players, used across the web until the mid-2010s. With Flash discontinued at the end of 2020, FLV files are increasingly hard to open without converting them first.

What plays an FLV file today?

Very little. Browsers dropped Flash, and most modern players and phones never supported FLV natively. Converting to MP4 turns an unplayable archive into a file that opens in any player, browser or app, with no plugins or add-ons required.

Where do FLV files typically come from?

Old web downloads, recordings of Flash-based streams (often captured over RTMP), e-learning courses and archived footage from the 2000s and early 2010s are the usual sources. Converting rescues that content for modern use.

Will converting FLV to MP4 lose quality?

The original video is re-encoded into a modern, widely supported format. At standard settings the difference is minimal, and the result finally plays on virtually any device instead of being stuck in a dead format.

Will the audio be kept?

Yes. FLV audio, often MP3 or AAC, is carried into the MP4 and kept in sync, so speech and music stay matched to the picture in the converted file, with no drift even over a long lecture or stream recording.

Can I edit the MP4 afterwards?

Yes. Video editors that reject or mishandle FLV accept H.264 MP4 without complaint, so converting first lets you trim, caption or re-cut old Flash footage in modern software.

Is it worth converting my whole FLV archive?

Yes, before it becomes unusable. FLV support keeps shrinking, so converting to MP4 now future-proofs the recordings, lets them stream on any device and makes them easy to back up to the cloud.

Convert FLV to MP4 Online

Rescue old Flash FLV videos by converting to MP4 before they become impossible to play.

or drag & drop them here · images, video, audio and documents · up to 2 GB

How to convert FLV to MP4

Click "Choose Files" and select your FLV file, or drag & drop it onto the page.
Make sure MP4 is selected as the target format.
Click "Convert" and wait a few seconds.
Download your new MP4 file.

Why Converters.live?

Free and unlimited — convert as many FLV videos to MP4 as you need, no daily limits.
Files up to 2 GB, processed with the same FFmpeg engine professional tools use, keeping video and audio in sync.
Your video files are deleted from the server immediately after conversion — nothing is stored.

Frequently asked questions

Why do I still have FLV files?: FLV was the standard container for Flash video players, used across the web until the mid-2010s. With Flash discontinued at the end of 2020, FLV files are increasingly hard to open without converting them first.
What plays an FLV file today?: Very little. Browsers dropped Flash, and most modern players and phones never supported FLV natively. Converting to MP4 turns an unplayable archive into a file that opens in any player, browser or app, with no plugins or add-ons required.
Where do FLV files typically come from?: Old web downloads, recordings of Flash-based streams (often captured over RTMP), e-learning courses and archived footage from the 2000s and early 2010s are the usual sources. Converting rescues that content for modern use.
Will converting FLV to MP4 lose quality?: The original video is re-encoded into a modern, widely supported format. At standard settings the difference is minimal, and the result finally plays on virtually any device instead of being stuck in a dead format.
Will the audio be kept?: Yes. FLV audio, often MP3 or AAC, is carried into the MP4 and kept in sync, so speech and music stay matched to the picture in the converted file, with no drift even over a long lecture or stream recording.
Can I edit the MP4 afterwards?: Yes. Video editors that reject or mishandle FLV accept H.264 MP4 without complaint, so converting first lets you trim, caption or re-cut old Flash footage in modern software.
Is it worth converting my whole FLV archive?: Yes, before it becomes unusable. FLV support keeps shrinking, so converting to MP4 now future-proofs the recordings, lets them stream on any device and makes them easy to back up to the cloud.

About FLV and MP4

Key things to know before you convert FLV to MP4:

FLV

FLV is the Adobe Flash video format. Flash is dead, and so is FLV — convert these files to MP4 to keep them playable.

MP4

MP4 with H.264 is the universal video format: phones, TVs, browsers, editors and messengers all play it. When in doubt, send MP4.

Related conversions

WEBM→MP4 MOV→MP4 AVI→MP4 MKV→MP4 GIF→MP4 WMV→MP4 M4V→MP4 FLV→MP3