2 Quick Ways to Convert MP4 to FLV Videos in the Original Quality

Laura Goodwin Mar 31, 2022 Convert Video

1. What is an MP4 file?

MP4 is short for MPEG-4 Part 14. MP4 is a compressed file format for storing video, audio and subtitles mainly. The MP4 file format is also available for playing over the Internet.

2. What is an FLV File?

FLV stands for Flash Video. A file with .flv file extension is an Adobe Flash file. Adobe Flash Player and Adobe AIR use FLV files to store and deliver synchronized audio and video streams over the Internet.


What’s the difference between MP4 and FLV formats? MP4 has a better capability and compatibility than FLV. However, if you want to upload videos to some certain video sites, you need to convert video to FLV format first.

4. How to Convert MP4 to FLV?

To convert a video from MP4 to FLV format, you can use an online or offline video converter to solve the problem. It depends on the MP4 video file size, video editing tools and other factors.

Convert MP4 to FLV

Now, let’s read together to see how to convert MP4 video to FLV on different platforms. You can also use the following video converters to convert MP4 to other formats in minutes.

Part 1: How to Convert MP4 to FLV Online for Free

Vidmore Free Online Video Converter is a 100% free MP4 to FLV converter. The free web application works with most browsers on Windows and Mac. Thus, you can convert MP4 to FLV, AVI, MKV and other popular video formats online for free.

Before converting MP4 to FLV video files, you can adjust the output video and audio settings. There is no annoying ads or virus. Thus, you can feel free to convert video and audio files online here.

Vidmore Free Online Video Converter VS Common Online Video Converters

  1. Convert MP4 to FLV online with no file size limit.
  2. Support MP4 to FLV batch conversion.
  3. Require no SignUp or hidden purchases.
  4. Safe, clean, free and easy to use.

How to Convert MP4 to FLV Free Online

Step 1: Visit the official site of the free online MP4 to FLV converter.

Step 2: Click “Add files to convert”. The first time you use the online video converter, you need to click “Download Launcher” to complete the process.

Download Launcher

Step 3: When you launch the MP4 to FLV online converter, click “Add File” to add your MP4 video file.

Add File

Step 4: Click the gear “Settings” icon next to the MP4 video. You can set video encoder, resolution, frame rate, sample rate and more. Click “OK” to save changes.


Step 5: Select “FLV” as the output video format. At last, click “Convert” to convert MP4 to FLV video online.


Part 2: How to Batch Convert MP4 to FLV Offline Losslessly

Vidmore Video Converter is a multi-format video converter that can convert video for any device without quality loss. The lossless transcoding, 1080p HD quality and full 4K support are helpful. You can preserve the original quality of MP4 videos with smaller file sizes.

Being one of the fastest MP4 to FLV converter for Windows and Mac, you can get hardware acceleration and multicore processor. Thus, it takes shorter time to batch convert large MP4 files to FLV format with the 50x faster video conversion speed.

What’s more, the MP4 to FLV video converter software has a built-in lightweight video editor. You can edit and preview each MP4 video before converting to FLV file format. Later, you can export the converted MP4 to FLV video quickly.

Main Features of the MP4 to FLV Converter Software

Vidmore Video ConverterVidmore Video Converter

  • Convert MP4 to FLV and over 200 formats, as well as 100 presets for all popular devices.
  • Fully control the video quality with the professional video processing algorithm.
  • Get the advanced acceleration technology to increase the video conversion speed 50x faster.
  • Create and edit your personalized videos to trim, rotate, crop, add watermark, enhance video quality and apply video effects.
Vidmore Video Converter

How to Convert MP4 Videos to FLV in High Quality

Step 1: Free download, install and launch the MP4 to FLV converter software on your Windows or Mac computer. Drag and drop MP4 files to the MP4 video converter.

Free Download

Step 2: Unfold the “Profile” list near the bottom of the “Profile” list. You can select “FLV” as the output format. Click “Settings” to adjust profile settings if necessary.


Step 3: Click “Edit” to access the built-in video editor. You can control all video effects via the real-time preview window. Then click “Apply” or “Apply to All” to save changes.


Step 4: Click “Convert” to start converting MP4 to FLV videos. You can see the elapsed time and progress bar in the main interface directly.


That’s all for how to convert MP4 to FLV on Mac and Windows. You can get both online and offline video converters to change video formats from MP4 to FLV. Which one can be your best MP4 to FLV converter?

If you want to convert one or two MP4 videos, you can try Free Online Video Converter. As for converting MP4 to FLV in batch, or you have a large MP4 movie, you had better use Vidmore Video Converter. You can get 50x faster speed and high-quality video processing. The program offers a one-stop solution to convert and edit MP4 to FLV videos. If you have any questions about MP4 to FLV conversion, you can feel free to contact us.

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