Merge multiple videos into one
Drag & drop video file here
Supports MP4, MKV, AVI, MOV, WebM and more
Drag & drop multiple WEBM files
Drag to reorder your WEBM video clips
Save your combined WEBM file instantly
WebM Video Format
WebM is an open, royalty-free video format developed by Google, optimized for web use. It uses VP9 or AV1 for video and Opus for audio, offering efficient compression ideal for HTML5 video and web applications.
Common reasons to merge WEBM videos
Save as WEBM for maximum compatibility across all devices and platforms.
WEBM is widely supported across all major web platforms and social media.
Use WEBM as an intermediate format for video editing workflows.
WEBM plays natively on virtually every smartphone and tablet.
Your videos stay on your device.
Fast WEBM video merging with smart copy mode.
Merge MP4, MOV, AVI, MKV, WebM and more.