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WebM Compressor – Two Easy Ways to Compress WebM

Author by Vita

Updated on Jun 24, 2020

WebM is a popular video format used for delivering online videos. But sometimes we need to compress WebM videos so as to save more bandwidth and achieve faster load speed. This article shows you how to reduce WebM file size while keeping high quality in two effortless ways. WonderFox HD Video Converter Factory Pro, the highly recommended WebM compressor, can be directly downloaded here:

WebM is a mainstream format used on HTML5 websites for video streaming and WebM files are supported by major web browsers. Before uploading large WebM files to the internet, compressing them to reduce the video file size is a good choice, which can shorten the upload and load process. Of course, it would take much less space to save the videos on your computer or mobile phone after video compression. This article provides two useful WebM compressors and shows you how to compress WebM files step by step.  

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Method 1: Compress WebM Files with the Recommended Desktop WebM Compressor

For fast and effective operation and satisfying compression results, I suggest you use WonderFox HD Video Converter Factory Pro. The video compressor offers advanced compression settings for you to compress video files in the most straightforward way. Even if you don't have any knowledge of video parameters, you can use it in your element. Besides, it allows you to change video resolution, bit rate, frame rate, and change videos format with ease. The whole operation is easy to handle. Just follow the instructions to shrink WebM videos.

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How to Compress Large WebM Files with the Desktop Compressor

Choose WebM Files

Before the start, please free downloadfree download and install the software on PC.

Step 1. Add WebM Files into the WebM Compressor

Open the converter interface and click on the Add Files button to browse and select WebM files from your computer. You can also directly drag and drop multiple files into the software.

Tips. Batch conversion mode is supported by the software.

Step 2. Choose the Output Format as WebM

Press the "Click to change output format" section on the right and choose WebM under the Web tab.

As you can see from the image, WonderFox HD Video Converter Factory Pro offers the compatible formats for the main video sharing websites including YouTube, Facebook, Vimeo, Yahoo, and Myspace. If you want to upload videos to YouTube orother websites, you can also choose the corresponding format in this window with ease.

Change Video Parameters

Step 3. Compress Videos by Changing Related Video Parameters

Click on the Parameter settings button, and a new window will appear. On the Video section, you can choose to change frame rate, reduce resolution, and bit rate to compress WebM files. Meanwhile, you can select VP9 as the output video codec from the Encoder drop-down list. VP9 is the successor to VP8 and it is capable of rendering half the file size of VP8 videos while keeping the same quality. Don't forget to press OK to save the changes.

Start the Video Compression

Step 4. Other Options for WebM Compression  

WonderFox HD Video Converter Factory Pro also offers a simple and straightforward solution to compress videos. Just check the click the Compression button at the bottom and drag the bar to adjust the compression ratio. The compression rate and estimated output file size will be displayed for your reference.

Besides, you can cut off the undesired part from the WebM video to make the file size smaller via the scissors button. The built-in video editor offers other video edit functions as well, such as crop, merge, rotate, flip, add watermark, etc.   

Step 5. Start the Video Compression Process

Finally, choose an output folder via the inverted triangle icon and click on Run to commence the compression process.

Method 2: Compress WebM Videos Online

You can also directly reduce WebM file size online. Ps2psf is a good online video compressor for the task. It's quite easy to use as follows:

Compress a WebM File OnlineCompress a WebM File Online

Step 1. Open the site: https://www.ps2pdf.com/compress-webm

Step 2. Click on the blue +Select Files button, and choose a WebM video from your computer. If the WebM file is large and it takes a long time to upload the video to Ps2psf, you can first upload the video to Google Drive or Dropbox, and then import the video from your Google Drive or Dropbox to the online WebM compressor.

Step 3. The estimated process time and output file size will be displayed. You can also rotate and flip the video and choose the output quality from the available options.

Step 4. After you are all set, click on the green Compress Now! button to start the process.

At Last

If you don't want to install any plug-in or software, Ps2psf is the right choice. But compared with online tools, WonderFox HD Video Converter Factory Pro offers more advanced and flexible options for video compression and the desktop WebM compressor can compress multiple videos and audio files in a faster and steadier manner. So you might as well try it!

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