Put your clips in order and join them together.
or drop clips here · MP4, MOV, WebM, MKV, AVI, M4V and 3GP · up to 500 MB
Processed in your browser. Files are never uploaded.
Files stay on your device. The first run downloads the processing engine once (about 30 MB).
Drop two to ten videos onto the tool, or click to choose several at once.
Use the arrows to set the order, then choose an output frame such as 16:9 for YouTube or 9:16 for Reels.
Press Merge Videos, preview the combined MP4 and download it.
Combine an iPhone MOV with a WebM screen recording and an MP4. Each clip is normalized before joining.
Clips are scaled to fit the output size and padded with black bars where needed, so nothing is stretched.
Clips without audio get a silent track, so sound stays in sync across the whole video.
Merging runs in your browser with WebAssembly. Your clips never leave your device.
Combine several short moments into one Reel, Short or TikTok.
Join a recording that was split into several files.
Stitch several AI-generated shots into one longer story.
Create new footage, plan your story or improve your source.
Add both videos, put them in order, choose an output size and press Merge Videos. Download the combined MP4.
Yes. Every clip is scaled to fit the chosen frame and letterboxed if its shape differs.
Up to 10 clips with a combined size of 500 MB. For longer projects, merge in batches.
Clips are re-encoded to H.264 at a high-quality setting so they can be joined reliably. The difference is rarely visible.
No. The tool runs inside your browser tab with WebAssembly. Your file is read from your device, processed in memory and offered back as a download. Cut AI never receives a copy of it.
Yes. Because the work happens on your own device, there is no processing cost for us to pass on. You do not need to sign in, nothing is added to your file and there is no daily limit.
