When you see the interface, you can tweak the settings to adjust the output size of the file. Then you can upload your WebM video in the pop-up file explorer window. Click the Compress Now button in the middle of the webpage to load the tool. Here come the steps to compress WebM files with it: And there is one more point worth noting: the file cannot retain the original WebM format, that is to say, you have to convert it to a supported format of this online tool. However, using it to compress your WebM files, you cannot preview the result, and the processing speed is not as fast as in the Vidmore Video Converter. Vidmore Free Online Video Compressor is an online WebM compressor for free. Part 2: How to Compress WebM Videos Online for Free However, what if you don’t want to download a program for the task? We also prepared an online solution for you. It is simple as you see to compress WebM using Vidmore Video Converter. When the compression is done, you will see the Video compression is completed notice. Then just click the Compress button in the bottom right corner to start compressing the WebM file. At last, you need to set the output destination at the bottom of the interface. Then you can drag the size bar to change the output size by changing the bitrate. It’s a not-bad choice to keep it as the original, but lower resolution can lead to smaller video size. Then you need to decide the output resolution.

When the video is imported, you can adjust the settings to reduce the WebM file size. Then you can click the + button in the compressor to add your WebM video. When you see the interface, head to the Toolbox tab and click the Video Compressor feature. Steps to compress WebM videos using Vidmore Video Converter:

Convert webm to mp4 lossless