WebM Compressors: Top 5 Ways to Reduce WebM File Size Online & Free

WebM is an open-source media file format consisting of VP8 or VP9 video streams and Vorbis or Opus audio streams. This format is majorly used for video streaming on HTML5 websites like Chrome and Edge. Before uploading large WebM files to the Internet, reducing the video size is a good solution to shorten the load process. By doing so, you can also save more storage space on your computer or mobile phone. Or you can compress WebM to MP4 for better video quality and compatibility with devices.

The following part introduces five WebM video compressors and illustrates how to compress WebM files. Keep reading.

For a fast and effective WebM video compression process, I recommend you use WonderFox HD Video Converter Factory Pro. It’s a professional video converter featuring a handy file size compressor, parameters editor, and many other functional tools. As a WebM file compressor, it allows you to downscale the video resolution, decrease the bitrate, and lower the frame rate to reduce the file size. It also enables you to re-encode VP8 WebM with the VP9 codec.

The user interface is self-explanatory. Even though it’s the first time you used the software, you can handle it without any issue. And there is a quick setting and bulk compression option, which makes the process much simpler and faster. Now, free downloadfree download the WebM compressor and follow the guide below.

---1. VideoSmaller

VideoSmaller is an online WebM size reducer that allows you to compress WebM files without installing apps on the desktop. It supports a few video formats, such as MP4, WebM, AVI, MPEG, and MOV, and can upload video files of up to 500 MB. But it only allows one file at a time. This online service also lets you scale or reduce video width and remove audio from WebM, MP4, AVI, etc. And your uploaded files will be removed after a few hours.

Here is the website: https://www.videosmaller.com/

How to reduce WebM size with VideoSmaller:

Step 1. Visit the site to open the WebM file size reducer on your browser.

Step 2. Click “Browse…” to add a WebM file from your computer.

Optional. Check “Use low compression level” to compress the video with the best quality preserved.

Step 3. Scale the video to a width of 720, 640, 480, or lower (video quality may be poor).

Step 4. Tap the “Upload” button and wait for the compression process.

Step 5. Once completed, click the download link to save the file to your computer and delete it from the website forever.

---2. Xconvert

Website: https://www.xconvert.com/compress-webm

XConvert is another online video compressor like VideoSmaller. It allows you to import multiple video sources not only from your computer but also from Google Drive or Dropbox. The max upload file size is 400 MB. It offers different ways to reduce the file size (file size percentage, variable/constant bitrate, resolution, and aspect ratio). However, the high-compression VP9 option is only available for paid subscribers.

How to compress WebM file size with Xconvert:

Step 1. Visit the Xconvert website and click “Add Files” to add a WebM file from your computer.

Step 2. Choose the video codec and select "File size percentage" or "By preset" to reduce the video file size.

Step 3. Modify the video resolution.

Step 4. Click "Compress" and wait for the compressing process.

Step 5. Once completed, click the "Download" button to save the file to your computer.

--3. Handbrake

Official website: https://handbrake.fr/

Handbrake is an open-source transcoding program mainly used for video conversion and DVD ripping. But it can also work as a video compressor to shrink video files. It provides a wide selection of video formats and codecs, including VP9, H.265 (x265), H.264 (x264), AV1, etc., so you can encode WebM files to smaller ones with simple clicks. What’s more, other video parameter settings like bitrate and frame rate are customizable in this program.

How to reduce WebM file size with Handbrake:

Step 1. Install Handbrake from the official website and launch it on your computer.

Step 2. Click "File" to import the video you want to compress.

Step 3. Select an output format from the "Format" drop-down list and choose a preset with desired output settings. You can also go to the "Video" tab to modify the settings to compress the video.

Step 4. Click "Browse" to select an output path. Then, tap the "Start Encode" button to start the compressing process.

---4. VLC

Official website: https://www.videolan.org/vlc/

VLC is one of the most reputable media players for multiple platforms. Besides playing video and audio files, it’s able to compress, trim, crop, combine, and convert audio or videos. Meanwhile, it offers plenty of configuration options to edit your video. For instance, you can add subtitles, change the aspect ratio, deinterlace video, adjust volume, add effects and filters, and so forth.

How to compress WebM files with VLC:

Step 1. Install the VLC media player from the official website and launch it on your computer.

Step 2. Click "Media" > "Convert/Save" > "Add" to import your WebM file. Then click "Convert/Save" to open the Convert window.

Step 3. Choose an output profile and click the wrench icon to adjust the video bitrate, frame rate, resolution, etc. under the "Video" tab.

Step 4. Click "Browse" to specify an output path and hit the "Start" button to start the conversion.

That’s all I want to share with you about how to compress a WebM file easily and fast. The above provides five powerful WebM compressors for this task. You can choose your preferred one to start your work in no time! If you find this article helpful, you can share it with more people. Thanks for reading! Have a nice day!