1
Upload VideosSelect two or more video files.
2
Arrange Order
3
Merge Videos
4
Download Video
video Converter• 100% Client-Side

Merge Video Files Converter

mp4→mp4

Drop MP4 file here, or browse

Select file for private local conversion

Private by Design

Your files are processed directly on your device using WebAssembly, HTML5 Canvas, and client-side runtimes.

No server upload No cloud copy 100% local processing
How To Convert

How to convert MP4 to MP4

Step 1

Upload Videos

Select two or more video files.

Step 2

Arrange Order

Drag and reorder video clips in sequence.

Step 3

Merge Videos

Re-encode streams and concatenate video clips.

Step 4

Download Video

Download combined video file.