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Difference between FLV and SWF

Difference between FLV and SWF

When uploading a video to the web, you may be asked to choose between FLV and SWF. But what is the difference between these two formats? And which should you choose for your videos? In this post, we’ll take a look at the pros and cons of both FLV and SWF videos, and help you decide which format is best for you.

What is FLV?

FLV is a file format that is commonly used for videos that are shared online. It is a popular format because it is lightweight and can be easily embedded in web pages. FLV files can be played back on most media player software, and they can also be streamed over the internet. In order to view an FLV file, you will need to have a special FLV player or plugin installed on your computer. Many web browsers, such as Google Chrome and Mozilla Firefox, come with an FLV player built-in. Alternatively, you can download a free FLV player from the internet. Once you have downloaded and installed a player, you will be able to watch FLV videos without any problems.

What is SWF?

SWF is a file format that is used to deliver vector-based graphics and animations over the internet. SWF files are typically small in size, making them well-suited for web delivery. SWF files are played back using a flash player, which is available as a plugin for most web browsers. SWF files can also be played back on mobile devices and standalone players. SWF files are used to deliver a wide range of content, including video, games, and applications. SWF files can also be used to create rich internet applications (RIAs). RIAs are interactive applications that combine the features of traditional desktop applications with the convenience of web-based delivery. SWF files are an essential part of the RIA ecosystem and are used by some of the largest websites in the world, including Facebook, Yahoo, and Google. SWF files are also used by many small businesses and individual developers to create simple animations and games. SWF is a powerful format that provides a great deal of flexibility for developers and content creators.

Difference between FLV and SWF

  • Flash Video (FLV) is a file format used to deliver video over the internet. Flash Video files are usually played back using a web browser plugin or standalone Flash player. FLV files can also be played back in some media players, such as VLC and QuickTime.
  • SWF is a file format used by Adobe Flash Player. SWF files are usually played back using Adobe Flash Player or a web browser with a Flash plugin. However, SWF files can also be played back in some media players, such as VLC and QuickTime.
  • The main difference between FLV and SWF is the file format used to encode the video. FLV files use the H.264 video codec, while SWF files use the Sorenson Spark codec. As a result, FLV files are typically smaller than SWF files. In addition, FLV files can be streamed, while SWF files must be downloaded before they can be played back.


SWF is the most popular format for videos on the web. FLV files are generally smaller in size, but they can’t play on as many devices as SWFs. If you’re looking to upload a video to your website or share it with others, using the SWF file format is your best bet.

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