VIDEO MERGER
Combine video clips into one file.
Add multiple videos, set the order, and merge them back to back.
Drop video files here, or tap to browse
Select multiple files at once — MP4, WebM, MOV
All clips are combined at the dimensions of the first video in the list. Others are letterboxed to fit if their proportions differ.
The direct download above is WebM — it plays in almost all modern browsers, video players, and editors, but not natively on iPhone. Merging plays every clip in real time to record them, so it takes as long as the combined total length.
The "Convert to MP4" button is a beta feature: the first use downloads a real video converter (~25–30MB, once per visit) and runs it fully in your browser — nothing is uploaded. It's genuinely more reliable for MP4 playback everywhere, including iPhone, but it's slower and newer than everything else on this site. If it doesn't work, your WebM download above is unaffected and still works.
Files are processed locally — nothing is uploaded to any server
How to merge videos
Add two or more video files, set the order with the up and down arrows, then merge. Each clip plays in turn while being recorded into a single continuous file.