Combine WebM Files
Merge WebM files online and for free

Completely Online
There is no need to download and install any app to your phone, tablet or computer — use the online Clideo tools instead.
Add a Great Song
To complete the atmosphere of your video, add music to the project. Don't forget to adjust its length and volume.
Video Combining Options
Select from several resolutions, formats, and crop options to create one amazing video!
What is a WebM joiner
WebM is an open container format for multimedia files that was first presented by Google in 2010. It supports VP8 and VP9 video, Vorbis and Opus audio.
Clideo's WebM Merger is able to combine videos, pictures and audio of different formats. It also lets you adjust the final result and save it in any extension.
Our service is online, it works on any device and in any browser with no installations needed. Each file that you upload can be up to 500 MB for free.
Frequently Asked Questions
FAQ
Yes, combine WebM files and add a crossfade transition for a more seamless clip blending.
Yes, you can combine WebM files and control the final aspect ratio and cropping option.
The Combine WebM Files tool supports merging many videos into one. Premium accounts have larger file size limits.
Sound quality stays unchanged. You can also replace original audio with a custom track.
Yes, the merge tool supports uploading your music track and adjusting audio levels during merging.
The tool automatically handles format conversion from MP4, WebM, AVI, MOV and other types into one unified output.
Yes, the service features drag-and-drop functionality to easily rearrange your video sequence before merging.
Yes, the tool allows you to combine videos without needing to log in.
Explore further
Discover related tools
Get Clideo for iPhone
Download our App to create and manage projects smoothly,
stay synced across all devices anytime.