Want to convert FLV to M4V? Then you need a smart FLV to M4V Converter to help you out. Here I will suggest a powerful FLV to M4V Converter to you, with an easy-to-use interface, you can convert FLV to M4V just by dragging and dropping with this all-in-one FLV to M4V Converter. You can not only convert FLV to M4V with super fast speed and excellent quality, but can also convert FLV to other audio/video formats, such as MPEG-4, H.264/MPEG-4 AVC, MPEG, WMV, MKV, MOV, MKV, 3GP, DivX, XviD, MP3, WMA, WAV, AAC, AC3, OGG, etc. Just free download to have a trial.

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After install FLV to M4V Converter, the interface will be like the following picture shows:

Step-by-step guide on how to Convert FLV to M4V.

Step1. Add files by clicking "add file" button. Multple files are allowed to be added into FLV to M4V Converter for bach conversion. And you can also preview video in view panel and take some pictures by clicking snapshot button.

Step2. Edit video effects. Click "effect" button, you will enter edit window, here you can adjust video effects(brightness, saturation and contrast)by dragging the slidebar directly. Besides, you can also trim video segment and crop video playing area by clicking "trim" and "crop" button.

Step3. Before convert FLV to M4V, you have to choose "M4V" as output video format, and then set an output folder by clicking "browse". If you would like to merge multiple files into one, you can check in front of "merge into one file".

Step4. At last, click "start" button, start to convert FLV to M4V, the conversion will cost you just a few minutes, you can see the conversion speed in the conversion window.

Done. Just take a rest, the converted M4V video will get ready for you. Just open it and enjoy it on your portable devices. You must like FLV to M4V Converter.