"So I have downloaded ffmpegX and am trying to convert .flv to .mp4 on a Mac osx10.5. The problem is that when I put the desired .flv file in, it says that it is unrecognized. I try to encode it, but it just creates a blank document. I think that I have properly installed the extensions necessary, but I could be wrong. Is there any other ideas for an easier way to convert .flv to mp4 on Mac? Thanks! "

Online Conversion

If you are looking for online conversion than Zamzar and Hey Watch are the best converters to convert videos online. They support downloading from YouTube, Google Video, Yahoo! Video, metacafe, Reuters.com, etc, and converting the FLV video to MP4, WMV, AVI, QuickTime MOV and iPod video M4V. Both of them are very simple to use, just upload you file or specify a URL address there and they will convert it for you with in a minutes. If there is a need to batch convert videos, it’s recommended to use desktop conversion.

Desktop Conversion

And if you looking for Desktop conversion software than iFunia Video Converter for Mac is the best one. This one is fully compatible with OS X Lion. It can handle FLV to MP4 conversion and can convert also FLV to nearly anything you would want on Mac. The program also supports batch conversion so you can add multiple FLV video in a queue and quickly grab a cup of coffee while the program converts them to the desired MP4 format. Here are the easy steps.

Download iFunia Free Video Converter for Mac Now

Free Download iFunia Video Converter for Mac Now

Step 1. Run iFunia FLV Converter for Mac and add FLV video files

Now run iFunia Video Converter for Mac and click the Media Browser icon at the upper right corner to add FLV video files, you may add as many FLV videos as you want for FLV to MP4 batch conversion. Alternatively, you can also drag and drop files to the app.

convert video and audio using ifunia video converter for mac

(Optional) Merge some separate FLV videos to 1 single file

This is optional. But if you want to output 1 MP4 file for easily sharing with your friends, simply click on the video titles you'd like to merge , then click Merge button at the bottom of the app and uncheck the former separate files if you just need the single merged video file. Here 'click on the video titles' is not just check the options, you need to click them to make them highlight.

Step 2. Select MP4 video from the output format list.

For high compression rate with high quality, you can select MPEG4 H264(AVC) output format for each video file. You can change the output settings as you need. Remember that the output file size mostly depends on the Bitrate you set. Larger Bitrate, larger file size. Actually video with bitrate as 1200 is acceptable for keeping its quality.

output formats of ifunia video converter for mac

Step 3. Start converting FLV to MP4 video

Now you may click the conversion button to begin converting FLV to MP4 on Mac.The convert progress bar shows you how much of the encoding is completed. The encoding time will depend on several variables including: the duration of the video file, the speed of your computer, what other activity your computer is currently doing and the bitrate you set.