How to Compress WebM File Online with 2 Free Video Compressors

WebM is an audiovisual media file format which usually used for media content on web pages. It is compatible with all the popular web browser like Chrome, IE, Safari, Firefox and more. When you want your video to stream faster, you need to compress it. The question is, do you know how to compress WebM without major losses in quality?

Compress WebM

Are you looking to compress WebM file and reduce its file size? Here in this post, we like to share 2 free ways to help you compress WebM online.

Part 1. How to Free Compress WebM File Online

To compress WebM to reduce its file size while still keeping the original image and sound quality, you can rely on the popular Free Video Compressor. It is specially designed to compress video in any frequently-used video formats including WebM, AVI, MP4, FLV, MKV, MOV and more.

This easy-to-use WebM file compressor has the capability to reduce video file size without quality loss. It allows you to compress 4K UHD and 1080p, 720p HD and common SD videos. You can navigate to the Free Video Compressor page to directly compress WebM with ease.

Step 1. Open your browser on computer and go to the official site of this free online WebM file compressor.

Add files to compress

Step 2. When you get there, you can click the Add Files to Compress button to install a small file size launcher for the WebM compressing. Then you can select and add the WebM file you want to compress from the pop-up window.

Add video

Step 3. You can freely compress your WebM file according to your need. Moreover, you are allowed to custom the video resolution, frame rate and bitrate, video name and output format. After all these operations, you can simply click the Compress button to start compressing WebM online.

Compress a video

Different to many other online WebM video compressing tools, this Free Video Compressor won’t add any watermark to your compressed WebM file.

Part 2. How to Compress WebM with WebM Compressor

To compress WebM file online, you can also rely on the VEED WebM Compressor. Whether your files are beyond the email attachment limits, Facebook messenger limits, or other uploading limits, you can use this WebM Compressor to reduce the file size of your WebM video.

Step 1. Open your browser and go to the VEED WebM Compressor site. Click the Compress Video button to move to the next uploading step.

VEED WebM Compressor

Step 2. You can click the Upload Your File button to upload your WebM video. Here you are allowed to drag and drop file for the WebM uploading. This free WebM video compressor also allows you to upload video from DropBox and URL.

Upload Webm file

Step 3. You can freely adjust the video compression based on your need. What’s more, you can custom the video resolution. You are also able to trim your WebM file by clicking Edit Video. It is designed with a media player for you to view the loaded video.

Compress Webm file online

Step 4. Click the Compress Video button on the bottom-left corner to start the WebM file compressing. After that, you can click the Download Video button to save the compressed WebM video on your computer.

Download compressed webm file

Part 3. FAQs of Compressing WebM File

Question 1. What is WebM format?

WebM is an open source format that contains video compressed with VP8 or VP9 codecs and audio compressed with Vorbis or Opus codecs. WebM is originally intended to offer a royalty free alternative to use in the HTML5 video and HTML5 audio elements. WebM file is mainly used for media content on web pages.

Question 2. How to free convert WebM to MP4 online?

To free convert a WebM file to MP4, you can rely on the popular video converter, Free Online Video Converter. It is able to make the WebM to MP4 converting and other video/audio conversions with ease.

Question 3. What is the smallest video format with high quality?

MP4. It typically delivers the best video quality with the smallest file size.


When you decide to share a WebM video to Facebook, Instagram, Twitter or another social media account, you'd better compress it first. Here in this post, you can learn 2 simple methods to free compress WebM online. You can use your preferred video compressor to reduce the file size of your WebM files.


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