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A quick way to understand who this helps, what it solves, and where it connects next.
People stitching product clips, support demos, storefront video parts, and simple story sequences
Joining several clips with hard cuts instead of using a full editor timeline
Capture direct merge-video intent with a browser-first queue and MP4 export flow
Cleanor Labs
These sections explain the job in plain language and set expectations for what the tool should do well.
To merge videos, add the clips you want to combine and arrange them in the order they should play. The tool joins them with hard cuts and exports a single MP4 you can download when it finishes.
All processing runs in your browser, so your clips are never sent to a server. This keeps your footage private and means you do not have to wait through an upload before the merge can start.
Most merge jobs are functional rather than cinematic, so this tool focuses on getting your clips into the right order in one final file. It uses hard cuts between clips instead of transitions, which keeps the workflow fast and predictable.
To handle clips of different sizes, every video is normalized to the canvas of the first clip, with contain padding on a black background. That way the combined MP4 stays a consistent frame size from start to finish.
Short answers for the questions people usually have before trying a utility like this.
Yes. Joining video clips into one MP4 is completely free, with no signup or watermark.
No. The merge runs locally in your browser, so your clips stay on your device and are never uploaded to a server.
Yes. The merge queue includes simple order controls so you can arrange clips before exporting.
No. This tool uses hard cuts only, joining each clip directly to the next for a fast, simple merge.
All clips are normalized to the first video's canvas with contain padding on black, so the final MP4 keeps a consistent frame size.
Every tool on Cleanor is free with no sign-up, no credits, and no limits. Files are processed privately in your browser. Looking for on-device phone cleanup and Premium features? That lives in the Cleanor app.
Load multiple clips, set the order, and export one MP4. Each clip is normalized to the first video canvas with contain padding on black.