Compress WEBM
Reduce WebM file size in three steps

Fast Compression
The tool will do everything for you, just upload your file and select the best setting to reduce its size and keep the quality you need.
Online Tool
The WEBM compressor is completely online which means that you don't have to download and install anything to your device.
Secure Encryption
You're the only one who has access to your files because all the communications are performed via secure channels.
Why compress WebM file
WebM is an open-source format that contains video compressed with VP8 or VP9 codecs and audio compressed with Vorbis or Opus codecs. The format is usually used for media content on web pages and it is supported by all the popular web browsers.
If you decided to post a video to your Facebook, Instagram, Twitter, or another social media account, you'd definitely need to compress it first.
The WebM Compressor helps you do that online, which means that you do not even have to install or download anything to your device. The tool works on Mac, Windows, iPhone and Android. It allows you to compress any amount of videos a day.
Frequently Asked Questions
FAQ
Use a compression setting that maintains high quality of WEBM files while reducing size.
This tool compresses major video formats including WEBM, MP4, MOV, AVI, WMV, and more.
Go with the strongest compression preset, or split the video into multiple parts and compress each one.
Yes, you'll see a predicted file size and compression percentage so you know what to expect.
Compression is available without registration, but logging in with a premium plan allows for enhanced tools and watermark-free results.
Online compression requires Internet access, but you can download our iPhone app to compress videos offline.
Yes, Clideo’s interface works perfectly on phones and tablets, allowing direct video compression with no app installation.
Once compression is applied, it can’t be reversed. Keep your original video safe if you might need the full quality later.
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Get Video Compressor App for iPhone
Download the Video Compressor App to your iPhone and reduce a video size automatically or by customizing your own compression settings.