Are my files uploaded to a server?

No. This tool runs entirely in your browser — your files never leave your device, which makes it fast and completely private.

Do the clips need to be the same size?

For best results use clips with similar resolution. The joiner re-encodes and stitches them into one MP4. Larger videos take longer since everything is processed in your browser.

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Video Joiner

Merge multiple videos into one.

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How to use the Video Joiner

1Drop or select two or more video clips.
2Reorder them into the sequence you want.
3Click Join, then preview and download the merged video.

About the Video Joiner

Free video joiner — combine several MP4, WebM or MOV clips into one video, in order, right in your browser. Private, no upload, no watermark. First run loads the converter once.

Part of our Audio & Video collection. Browse all tools.

Frequently asked questions

Are my files uploaded to a server?: No. This tool runs entirely in your browser — your files never leave your device, which makes it fast and completely private.
Do the clips need to be the same size?: For best results use clips with similar resolution. The joiner re-encodes and stitches them into one MP4. Larger videos take longer since everything is processed in your browser.