FLV is a sort of format which is very popular on the web. If you want to customize your own FLV video files for mac, FLV Editor Mac is the right software which can perfectly and quickly edit flv for mac.

The Mac FLV Editor has two versions and you need to download the proper one.

Download Intel Version or Download PowerPC Version

Open the software and click "Add Files" to load flv files on your hard disk to the program. These videos will be showed in the playlist. See the image below:

1. Crop videos

Choose "Crop" button and the crop window will pop up. You can specify an area either by dragging the frame around the video, or under "UP, Down, Left, Right" option choosing number.

In the Zoom drop-down list above the crop pane, choosing " Keep original", "Full screen", 16:9 and 4:3 to select an output aspect ratio.

2. Trim videos

Click "Trim" panel and then you can drag the start time and end time slider to edit the beginning and ending points of the video.

3. Adjust Video effects

Choose "Effect" to pop up Effect window. There are some sliders in the window by which you can set the video brightness, contrast, saturation and video volume.

Some special effects are in Filters drop-down list.

4. Merge videos

On the corner of the interface, there is a button which can merge multiple videos into one after selected.

5. Snapshot

You can capture images by clicking Snapshot button and then these images will be found in the folder when you click the Folder button.

These functions provided by FLV Editor Mac are all to make you creat your satisfied FLV videos. Come on to free download and edit flv for mac.