How to Convert FLV to WebM Easily and Quickly (PC Solution)

Author: Michelle
Publish date
Updated on Feb 26, 2025
Convert FLV to HTML5 Video
  • Download Download the handy FLV to WebM converter and
  • Step 1: Add or drop FLV files to the converter.
  • Step 2: Select WebM as the output format.
  • Optional Step: Modify video parameters (codec, resolution, bitrate, etc.).
  • Step 3: Start FLV WebM conversion at once.
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Handy FLV to WebM Converter
🌟 How to Convert FLV Files to WebM on PC
Can I Convert FLV to WebM Online
Wrap-up
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With the discontinuation of Adobe Flash Player, Flash Video (FLV) has lost its advantage as a web distribution format. If you still hold some FLV files in your hand, now it’s time to transform them into a newer format, WebM.

How do you do that? 🤔

It’s simple. Just use a FLV to WebM converter. Below, I will introduce a handy video converter tool to help you convert FLV files to WebM on your Windows computer. Batch conversion is also supported. Let’s read on to find out more details.

Handy FLV to WebM Converter

On Windows, WonderFox HD Video Converter Factory Pro is a professional video converter perfect for FLV WebM conversions.

It has a user-friendly interface. With only three simple steps, it can help you convert FLV video to WebM smoothly. Moreover, it can process multiple conversions at the same time, so you can convert all your FLV files to WebM at once to save time and energy.

Besides basic format conversion, if you want to convert video for a certain platform, you can try the preset profiles like WebM for HTML5 and WebM for YouTube. The program allows you to change the output settings freely. If needed, you can adjust the encoder, resolution, bitrate, etc. to meet your specific needs.

Now, let's free download free download the software and follow the instructions below to convert FLV files to WebM.

FLV to WebM Converter
FLV to WebM Converter

WonderFox HD Video Converter Factory Pro offers the best solution to convert FLV files to WebM in simple clicks. It is fast and efficient and gives high-quality outputs. Try it now!

Free download Download for Free
Free download Download for Free

How to Convert FLV Files to WebM on PC

Step 1. Import FLV Videos

Start WonderFox HD Video Converter Factory Pro on your PC and enter the Converter program.

Next, click the Add Files button to import FLV videos into the program. You can also directly drop these files to the conversion list.

Add FLV
Add FLV

Step 2. Choose WebM as Output Format

Click on the right-side format image to open the output format library. You will notice two main groups containing different categories. To find WebM, go to the Web section and select WebM, WebM for HTML5 or WebM for YouTube as the output format.

💡 Tip: It's recommended to open Parameter settings and change the video encoder to suit different purposes. For example, VP9 is one of the most widely used formats for online streaming, while AV1 is the latest codec suitable for low-bandwidth streaming.

Select WebM
Select WebM

Step 3. Convert FLV to WebM

Now, click the bottom â–¼ button to set an output folder or leave it as default. When everything is ready, hit the RUN button to start the conversion immediately.

Start Conversion
Start Conversion
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More of HD Video Converter Factory Pro
More of HD Video Converter Factory Pro
  • Convert any video/audio to 600+ formats and devices for smooth playback;
  • Download SD/HD/4K/8K movies and music from 1000+ websites;
  • Compress batches of video files at once to save device storage;
  • Record meetings, gameplay, streaming content… with no time limit;
  • Merge multiple video clips into a complete single file at fast speed;
  • Trim, crop, rotate, watermark, add special effects to videos at will.
Free download Download for Free
Free download Download for Free
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Can I Convert FLV to WebM Online

If you have some small FLV files, you can also try an online video converter as it might be the most convenient solution for many users.

All you need to do is upload the FLV file to the website, choose an export format, click convert, and download the file.

My go-to place is Convertio. It's safe, easy to use, and converts fast. But be aware that the maximum file size you can upload is 100MB, and you can convert 10 files per day for free. If you hit the limit, you should stick with the desktop solution mentioned above.

Here is a simple tutorial on how to turn FLV into WebM with Convertio.

Step 1. Visit https://convertio.co/.

Step 2. Click "Choose Files" to upload your FLV video (*less than 100MB).

Step 3. Choose WEBM as the export format.

Step 4. Hit "Convert" to start the conversion.

Step 5. Download the converted file.

FLV to WebM Online Free
FLV to WebM Online Free

Wrap-up

FLV is outdated. That’s why we recommend you convert FLV to WebM, one of the current standards for web-based streaming video, to suit the in-trend HTML5 player.

Just now, I’ve shared how to easily and quickly convert FLV files to WebM and I hope it’s useful to you. By the way, follow similar steps and you can also convert other video and audio files using the program mentioned. You can download the program to explore more:

Free download Download for Free
Free download Download for Free

That’s all I want to share. I hope you find this article helpful. Thanks for reading!

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