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File converter / Video / Convert to MP4 / FLV converter / MP4 to FLV

Convert MP4 to FLV

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Choose file to convert to .flv
or drag and drop file

You can convert MP4 file to FLV as well as to variety of other formats with free online converter.

How to convert mp4 to flv?

How to convert flv to mp4?
Step 1

Upload mp4-file

Select mp4 file, which you want to convert, from your computer, Google Drive, Dropbox or drag and drop it on the page.
Step 2

Convert mp4 to flv

Select flv or any other format, which you want to convert.
Step 3

Download your flv-file

Wait till your conversion process will be completed and click download converted flv file.

Online and free mp4 to flv converter

Fast and easy
Just drop your mp4 files on the page to convert flv or you can convert it to more than 250 different file formats without registration, giving an email or watermark.
Don't worry about security
We delete uploaded mp4 files instantly and converted flv files after 24 hours. All files transfer with secured an advanced level of SSL encryption.
All in the cloud
You don't need to install any software. All mp4 to flv conversions make in the cloud and don't use any resources of your computer.

MPEG-4 Video File

File extension .mp4
File category video
Description The MP4 files (MPEG-4 part 14 files) are the multimedia files which are used with multiple stations and video players simultaneously, they can store not only digital audio streams and digital video but other suitable amounts of data like subtitle tracks. MP4 video format is an extremely common file format due to its very own container format and it is also used with multiple platforms such as iTunes, PlayStation, and portable PSP as well. It is also a popular file format for streaming over the Internet. For instance, YouTube videos have MP4 extension.
Technical details The technical details of MP4 files differ in great aspect and are unique as well, first released in 2001 under ISO/IEX 14496-1:2001 standards, it uses an AAC encoding to wear off unauthorized users from copying the data. The main purpose is the streaming rather than sending video or audio information. MP4 files can be used to store audio streams and, in addition, text information, subtitles and still images while MPEG format can’t do this, anyhow the processing of data into MPEG-4 part 14 requires the use of private streams such as the use of hint tracks to include the information.
Programs
Microsoft Windows Media Player
VLC media player
MPlayer
Eltima Elmedia Player
Winamp
Apple QuickTime Player
Apple iTunes
Developer Moving Picture Experts Group
MIME type
audio/mp4
video/mp4

Animated Flash Video File

File extension .flv
File category video
Description This flash video format is defined by the Adobe systems and commonly used for online videos. There are multiple users of the flash video format such as YouTube, Hulu, VEVO, Yahoo! and other services that you serf online on your iphone, ipad or laptop. One can access the flash video on various operating systems by enabling the Adobe Flash Player along with web browser plugin or on other third-party programs except for iOS.
Technical details FLV files use the H.263 standard under the Sorenson Spark (FourCCFLV1) codec and there are various reasons for it such as;
  • These are the first codec files which are supported by Flash Player.
  • The heavy usage throughout other versions being able to support this very codec
The audio can be recorded over the video using a microphone and Nellymoser Asao codec. By using the bitmap tile and lossy compression while taking care of the reducing color depth the screenshare is possible. But the basic difference is that the screenschare done by the 2nd way is only compatible with Flash Player 8.
Programs
Microsoft Windows Photo Gallery Viewer
VideoLAN VLC Media Player
Windows Media Player
Main program FFDShow
Developer Adobe Systems Incorporated
MIME type
video/x-flv

FAQ

❓ How can I convert mp4 to flv?
Firstly, select a mp4 file you want to convert or drag and drop it. Secondly, select flv or any other format you want to convert your file to. Then click convert and wait until your file is converted
⏳ How long should I wait to convert mp4 to flv?
Video conversion usually takes a few seconds. You will convert mp4 to flv very quickly.
🛡️ Is it secure to convert mp4 to flv on OnlineConvertFree?
Sure! We delete your uploaded and converted files, so nobody has access to your information. All types of conversion on OnlineConvertFree (including mp4 to flv) is 100% safe.
📱 Can I convert mp4 to flv without software installation?
Absolutely! OnlineConvertFree doesn’t require installation. You can convert any files (including mp4 to flv) online on your computer or mobile.