This free video converter post from MiniTool recommends four free and professional WebM file compressors and gives specific tutorials on how to compress WebM file quickly. With these dependable video compressors, you can reduce WebM file size without any hassle.

Why Compress WebM File

WebM is a video format widely supported by web browsers, like Safari, Chrome, Edge, etc. Although WebM files are highly compressed, a large WebM video will still increase the loading time of a website and lead to a less enjoyable viewing experience for visitors with slower broadband speeds. That’s why we should compress WebM files.

Compressing WebM files results in smaller video files that are easier to share and transfer online. Smaller files also help users load and stream media faster across all devices, creating a smoother experience for visitors.

How to compress WebM file on Windows easily and quickly? Keep reading this article.

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How to Compress WebM File Offline

In this section, I’d like to recommend two reliable and user-friendly offline WebM compressors.

Option 1: MiniTool Video Converter

MiniTool Video Converter is a free, clean, and professional video compressor that can compress videos efficiently. It supports various input formats, such as WebM, MP4, MOV, MKV, 3GP, AVI, and so on. Plus, you can choose the output estimated file size based on your needs.

To speed up the compression process, you can compress up to 5 files at the same time. The compressed videos have no watermarks. Now, just follow the step-by-step guides below to compress WebM file.

1: Click the download button below to download and install MiniTool Video Converter on your PC. Then, launch it.

MiniTool Video ConverterClick to Download100%Clean & Safe

2: In MiniTool Video Converter’s main interface, click the top right hamburger icon, and then click Settings to access the Settings window. Next, go to the Compress tab to set the maximum simultaneous compression task. Then, click OK to save the changes you just made.

Click the top right hamburger icon to enter the Settings window of MiniTool Video Converter to set the maximum simultaneous compression task

3: Navigate to the Compress Video section and click the Add Files button to import the target WebM video.

Go to the Compress Video section and click the Add Files button to import the WebM video you want to compress in MiniTool Video Converter
Tips:
Click the Add Folder button to import more than one video.

4: Click the Settings icon on the target video to open the Compression Settings window. There, you can drag the red dot icon to select the output estimated file size or use the recommended compression ratio by default. Also, you can expand the Format option to select the output format you want. Then, click OK.

Select the preferred output format and file size in MiniTool Video Converter’s Compression Settings window
Tips:
To batch compress videos, expand the Compress all files to option and select the compression ratio you want for all videos.

5: Expand the Output option at the bottom and choose a destination folder. After that, click the Compress button to start compression.

Open the Output option at the bottom and choose a save path in MiniTool Video Converter

6: Once completed, MiniTool Video Converter will go to the Completed section automatically. You can click the Play icon to view the video or click the Folder icon to locate it.

Click the Play icon in MiniTool Video Converter to view the video, or click the Folder icon to locate it

With MiniTool Video Converter, you can reduce MB of WebM with no effort!

Option 2: MiniTool MovieMaker

MiniTool MovieMaker is an expert compressor as well. It enables you to reduce file size by changing frame rates, resolutions, bitrates, formats, and quality. The compressed WebM video will have no watermarks. Here’s a step-by-step compression guide.

1: Click the download button below to download and install MiniTool MovieMaker on your computer.

MiniTool MovieMakerClick to Download100%Clean & Safe

2: Run MiniTool MovieMaker and close the Promotion window. Next, click the Import Media Files area to import the WebM video you want to compress.

Click the Import Media Files region to add the WebM video you want to compress into MiniTool Video Converter

3: Drag the WebM video to the timeline and click the Export option in the right corner of the Player window to access the Export window.

Drag the WebM video to the timeline and click on the Export option at the top right of the Player window to open the Export window in MiniTool MovieMaker

4: In the Export window, select an output format with a smaller size, for example, MP4. You can also reduce WebM file size by changing resolution and frame rate. The output file size shows under the video window; you can adjust parameters according to it.

Compress the video by customizing frame rate, resolution, and format in MiniTool MovieMaker

Set the quality and bitrate settings to further reduce the file size. Click on the Settings button to open the Settings window. There, you can adjust the video quality and bitrate to compress WebM file. After that, click OK to save the changes.

Change the video quality and bitrate in MiniTool MovieMaker to compress WebM file

5: Click the Export button to start compression.

Click the Export button to start compression in MiniTool MovieMaker

Once completed, click the Find Target button to locate the compressed WebM file.

Click the Find Target button in MiniTool MoiveMaker to locate the compressed file

Done! MiniTool MovieMaker enables you to compress WebM files easily!

How to Compress WebM File Online

Don’t want to install any extra software on your computer? Then try an online video compressor! In the following content, I’ll introduce 2 robust online WebM compressors. Read on for more.

Option 1: FreeConvert

FreeConvert is a free and advanced online video compressor that offers various compression options. It empowers you to resize video by changing its resolution, quality, bitrate, etc. You can also select a target size based on your needs.

Follow the compression details below to reduce WebM file size using FreeConvert:

1: Search for FreeConvert on your browser and enter its main interface.

2: Choose the Compress option from the top menu and then click Video Compressor.

3: Click on the Choose Files button to upload the WebM file.

Click Choose Files to import the video you want to compress into FreeConvert Video Compressor

4: Expand the Output option to select the output format you prefer (here, I take MP4 as an example).

5: Click the gear icon next to Output to access the Advanced Options (Optional) window, where you can choose a video codec, a compression method, and a target video size. Then, click on Apply Settings to save the changes.

Choose a video codec, a compression method, and a target video size for WebM video, and click on Apply Settings to save the settings in FreeConvert Video Compressor

6: Click the Compress Now! button to start compression. Once completed, click the Download button to save the file to the local folder.

By following the straightforward steps above, compressing WebM files is a breeze!

Option 2: XConvert

One of the biggest features of XConvert is the fast WebM compression speed. This online video compressor also enables you to compress WebM file by adjusting the bitrate, file size percentage, quality, etc. With XConvert, you can easily compress WebM file on Windows.

Here’s a specific guide:

1: Launch the browser on your computer, search for XConvert, and enter its user interface.

2: Choose the Compress Tools option, select Video, and choose the WebM Video compressor option.

Click on Compress Tools, select Video, and select the WebM Video compressor option in XConvert

3: Click the Add video files button to import the WebM file to XConvert.

Click Add video files to import the WebM file to XConvert

4: Then, you can change the video codec, file size percentage, variable bitrate, and more settings.

5: After that, click Compress to start compression. Once done, click the Download button to save the file to your local file.

XConvert helps you compress WebM file with no hassle!

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Conclusion

How can you compress WebM file on Windows effortlessly and efficiently? This post provides 4 professional WebM compressors and shows you how to compress WebM files offline & online. Feel free to select the one you prefer. Hope this article can do you a big favor! You can contact us at [email protected] if you have any questions about using MiniTool Video Converter or MiniTool MovieMaker. Also, you can send me messages directly on Twitter. I’ll help you as soon as I can.

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