Video Merger
Join multiple video files into one - completely offline
Loading Video Processing Engine
This tool uses FFmpeg.wasm for video processing. The first time you use it, it will download the processing engine (~25MB). This only happens once and enables powerful offline video merging.
Drop your videos here
or click to select multiple video files
Merge Settings
Merged Video
Why Use Our Video Merger?
Combine Clips
Merge any number of video clips into a single continuous video.
Re-encode for Compatibility
All clips are re-encoded to H.264 MP4 for seamless joining.
No Upload Needed
All processing happens in your browser. Your videos stay private.
Frequently Asked Questions
Do all videos need the same resolution?
For best results, use videos with the same resolution. Different resolutions will be scaled to match the first video's dimensions.
How many videos can I merge?
You can merge as many videos as needed, up to browser memory limits.
What format is the merged output?
All videos are re-encoded to MP4 (H.264/AAC) for universal compatibility.