Join FLV (Flash Video) files: How to combine YouTube videos on Mac
Reader post:
I've downloaded several YouTube flash videos which should be a long single file. Is there any way I can combine these FLV files with Mac?
Some Mac users have several flash videos stored on their hard drive and want to join them into one so they can enjoy a video without interruption. FLV Video Converter for Mac allows you to combine YouTube videos into one single FLV file or convert it to the format of your choice. This article will guide you through seamlessly combining flash videos on Mac with 3 easy steps.
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1Open Mac FLV Video Converter and load YouTube videos to it
Drag and drop the YouTube videos to the converter. Make sure that they are added in right orders because the output file will be joined according to the file list from top to bottom.

2Select FLV as output format
Select “FLV” as output format for any FLV clips imported, and then check “Apply to All” to get all files converted to FLV format.

3Join YouTube Videos on Mac
Check “Merge into one file” at the bottom of the window and then click the “Convert” button.
If you want to combine and then convert YouTube videos for iPod, iPhone or other portable devices with Mac, this FLV Video Converter for Mac will still be a good choice: just select a output format of your choice or use the provided presets for iMovie, iPod, iPhone and other portable devices. Combining and converting YouTube clips to other formats like MP4, MOV is now a breeze.