How to Convert MP4 to FLV for free?

What is Flash video?
Adobe Flash, initially known as Shockwave Flash and popularly called simply Flash, refers to both Adobe Flash Player and Adobe Flash Professional multimedia authoring program. FLV, short for Flash video, is a video format played with Adobe Flash Player. If you obtain a video from YouTube, Google Video, Yahoo! video, DailyMotion, it will be likely a Flash video with the file extension of *.flv. With the wide availability of Adobe Flash Player in most common web browsers, Flash video has been the most popular video format for online delivery.

What is MP4?
MP4 is short for Moving Picture Expert Group-4. First published in 1998, MPEG-4 or MP4 was designed to encompass all the features that were part of earlier releases of MPEG files, and add a few more that would prove helpful with the advancing online technology of the day. As a standardized group of video and perceptual coding formats, MP in general quickly became a hit with the average Internet user. The introduction of MP4 made it possible for the audience to continue growing by providing quicker, faster, and higher quality broadcast media for the average user. MP4 is quite popular and more than 98% media players support this format!

Why to convert MP4 to FLV with Leawo Video to FLV Converter?
To convert MP4 to FLV is for putting videos online played with Adobe Flash Player. A lot of websites are of this kind, YouTube, Google, and DailyMotion, etc. MP4 with H.264 video is supported by Adobe Flash Player only currently, while common MP4 files can't. Flash video, known as FLV is a native format for Adobe Flash Player. So in order to embed the MP4 video into Adobe Flash, it is a must to convert MP4 to FLV. Leawo Video to FLV Converter is specially to convert videos of any kind to FLV, including converting MP4 to FLV too. You may get your video trimmed, cropped and improved during the MP4 to FLV conversion.

How to convert MP4 to Flash video with Leawo Video to FLV Converter?
Input your MP4 into the program and click the "convert" button will finish the work, if no video editing is needed.

Step1, Click "Add" or anywhere on the pane to input MP4 files.

Step2, Click "Customize" to edit files. Double click the file name on the list to have a preview.

a. Drag the slides to adjust the effect.

b. Change the time points or drag the triangles on the slide to trim a video duration for the part you want only.
 

c. Choose from the "Letter Box" or adjust the values or simply drag the dot frame for a proper video dimension. This may help to remove the margins around the video to make it go with your screen aspect ratio.

Step3, Click the button to start the conversion.