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Popularly known as FLV, Flash Video is a multimedia container format developed by Adobe Systems. Its primary focus was to deliver video over the Internet.
It can contain audio, video, and text. It was released in 2003.
The FLV is among the most used formats for online streaming. Its benefits and drawbacks are:
When browsing with your PC, you shouldn't have problems playing FLV videos. All web browsers and online platforms support said format. But the thing is different when trying to play the video offline.
Windows doesn't support FLV format natively. That doesn't mean it can't open them but requires more than just clicking the file.
To open FLV videos with Windows, you could:
Don't forget to download software from the official source to avoid viruses!
macOS doesn't support FLV format natively. That means your Mac will not open FLV files unless you install the proper software to do it.
There are several media players available for Mac that support FLV. We recommend you to use VLC Media Player because it is free and open-source.
Other options can be Elmedia Player, 5KPlayer, or Wimpy.
FLV is a container format or metafile. That means it stores different kinds of data to have them together in one file.
Containers like FLV make simultaneous playback of video and audio possible by embedding them into a single file.
The FLV format can contain audio and video in several formats as a metafile.
Videos in FLV format are usually encoded with Sorenson Spark, VP6, or AVC. For audio, it uses ASAO, ADPCM, and AAC.
The most common format used for video in FLV is VP6. But to achieve the best quality possible with FLV, AVC and AAC are the best options.
FLV format guide
FLV is an Adobe Flash Video container that may carry Sorenson Spark, VP6, H.264, MP3, or AAC streams.
Convertr uses the deployed FFmpeg toolchain for published audio and video routes. A container such as MP4, MOV, MKV, AVI, or WebM can hold different codecs, so the file extension alone does not guarantee that a particular player will accept the contents.
Convert FLV to MP4 for modern playback and browser support.
The public upload limit is 1 GB. Convertr does not reduce dimensions, duration, resolution, or output quality merely to manage worker load.
Keep the original dimensions and frame rate unless you intentionally need a smaller result. Remuxing compatible streams avoids re-encoding; changing codecs is lossy, so repeated conversions should be avoided.
Old or damaged FLV timestamps and codecs can require a full transcode rather than a quick remux.
These links come from the active conversion catalog, not from a generic list of possible formats.
Choose one of these implemented routes; a listed extension is not a promise that every codec variant will decode.
Check that the file opens in its original application, is not encrypted or DRM-protected, and really matches its extension. A damaged header, unsupported internal codec, missing linked asset, or mislabeled file can fail even when FLV is generally supported. Try a different published target only when it fits your goal; changing the extension by hand does not convert the file.