You might have some interesting MOV videos or MOV footages from your camera on the Mac. And if you are planning to upload or send them to websites for sharing, then you might need to convert MOV to FLV, because MOV files are not supported by lots of video-sharing sites but FLV is a delivery file format which is accepted by nearly all video sharing sites, personal blogs and forums.

• Part 1. Best MOV to FLV Converter to Convert MOV Files to FLV Without Quality Loss
• Part 2. How to Convert MOV to FLV with Movavi
• Part 3. How to Convert MOV to FLV online for Free

Part 1. Best MOV to FLV Converter to Convert MOV Files to FLV Without Quality Loss

To convert MOV to FLV on Mac OS X (including Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks and Mountain Lion) or Windows 10/8/7/XP/Vista, you need an easy-to-use yet professional MOV to FLV Converter Mac/Windows. The moment you search for an app, you may get tons of information. However, as far as I see, little of them are useful. For me, I still trust UniConverter for Mac, which has helped many people done video conversion and got highly spoken of. You will know how to do the video conversion by use it.

Follow the step-by-step tutorial to convert MOV to FLV format on Mac

Step 1. Import MOV videos to the MOV to FLV Mac program

Open the folder with MOV videos, and directly drag the video you want to the program dock. The video will be loaded to the program. Alternatively, you can navigate to the main menu and select the "Add Files" option, and you will get a pop-up windows to choose the MOV videos. Just select your desired videos and import them to the program.

Step 2. Select "FLV" from the format tray

In the Web Sharing category of format tray, choose FLV as your output format. All imported files will be converted to FLV format and are ready to upload to online for sharing.

Besides the video conversion function, the Mac app even offers you some impressive edit functions, for example, you can use the "Trimming" function if have a large MOV video and you want to split them into several smaller FLV files or trim any segment of the MOV file.

Note: If you want to combine several QuickTime MOV video clips into a single video, you can add all the clips to the program and check the Merge button. By doing this, you will get only a video after the conversion.

Step 3. Start MOV to FLV conversion on Mac OS X

Click on the "Convert" button and let this powerful Mac Video Converter to convert QuickTime MOV file to FLV file for you! This video converter can fully support many Mac machines, including Mac OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion, 10.7 Lion and 10.6 Snow Leopard on iMac, MacBook, Mac Pro, MacBook Air, MacBook Pro, etc.

When the Mac conversion is done, you can upload the output FLV files to the internet and people can enjoy these awesome QuickTime MOV videos conveniently.

Tip: If you want to convert FLV to Quicktime MOV, please check here to get step-by-step guide.

Part 2. How to Convert MOV to FLV with Movavi

Movavi is one of the most popular video conversion tools in the market. It is adored by fans around the globe because of its fast conversions and ability to convert multiple video files to another format at the same time. It also doesn't hurt that Movavi has great video editing tools that you'll find quite useful.

To use Movavi to convert MOV to FLV, follow these simple steps:

Step 1. Download and install Movavi Video converter to your Mac or Windows Computer and install it. Once the program is installed run it.

Step 2. In the main window, click on "Add Files" and then select "Add Video" to begin selecting the videos you would like to convert from MOV to FLV.

Step 3. The next step is choosing the output format. In this case, you want to select "FLV "as the output format. Movavi recommends that you preset to "648 X480" to get the best quality of output folder.

Step 4. Before you begin the conversion process, you may need to specify the output folder for saving the converted file. You may also choose to share the video on YouTube. To do that click on "Share" to select YouTube or other video sharing site. When you are happy with all the settings, click on "Convert".

Part 3. How to Convert MOV to FLV online for Free

Another much easier way to convert MOV to FLV for free is to use an MOV to FLV converter online. Most online tools like Convert. Files are often free and can be accessed on any device. This particular tool comes highly recommended since it is very easy to navigate and use. It can also be used to convert video files to a lot of other different formats. It also doesn't hurt that you can download a video from any online site. Here's a step by step guide to help you convert MOV to FLV online using this online tools.

Step 1. To begin, go to the ConvertFiles official website.

Step 2. You should see a large green box with instructions on how to convert "MOV to FLV" easily. In the first section, you need to upload the file you need to convert. Click "Browse" to locate the file you need on your computer or download it from an online link.

Step 3. The next step is selecting the input format. In this case, "MOV" should be pre-selected and the output format should be pre-selected as "FLV."

Step 4. You can choose to provide an email address to get the download link for the converted file and click "Convert".

You may have to wait for the download to be completed, although the time you wait will depend on the size or duration of the video. The only disadvantage of using this online tool to convert MOV to FLV is that you may not be able to make any changes to the video before conversion.