Merge Videos Online
Combine two or more video clips into one file, in the order you choose, and save the merged video as MP4 or WebM with the sound kept. Free, in your browser, no upload.
or browse filesdrop videos here
Combine two or more video clips into one file, in the order you choose, and save the merged video as MP4 or WebM with the sound kept. Free, in your browser, no upload.
or browse filesdrop videos here
The whole clip inside the first clip's frame, with black bars.
Select two or more video files, put them in the order you want, and press Merge videos: this free online video merger joins the clips together into one file that plays start to finish, and it downloads as an MP4 or a WebM that opens anywhere - no upload, no watermark, no account. Combining multiple videos into one takes a minute, not a video editor: add a video to a video, attach a third, connect or concatenate a whole folder of clips, and compile the set. Call it a video joiner or a video combiner, it is the same job. Any video your browser can open works: MP4 or MOV recordings from a phone, WebM screen captures, clips someone sent you, all mixed in one list. The sound of every clip stays where it was, so a recording cut into pieces comes back together as one.
Each video you add joins the end of the list, and the arrows on every card move it left or right; the number in the corner is its place in the merged video. Click a card to play that clip on the stage before you commit. Add more videos at any time with the Add videos button, remove one with its cross, and the merge follows whatever the list says. Up to thirty clips go into one video.
The first clip sets the frame of the merged video. A clip of another size or shape is scaled into that frame: Fit keeps the whole picture and fills the rest with black bars, the way a phone's vertical video sits inside a widescreen frame, and Fill enlarges the clip until it covers the frame, cutting off the edges instead. A clip recorded sideways is turned the right way up first. When every clip already has the same size nothing is scaled and nothing is cut, and this choice is not shown.
Merging is not a copy: two files rarely agree on codec settings, and a video that simply glues them together plays as garbage after the first cut. This page decodes every clip in turn and re-encodes the frames into one new stream with WebCodecs, the video machinery built into modern browsers - the same engine behind the Video Cropper, Reverse Video and Add Audio to Video. Each cut starts on a fresh keyframe, so seeking lands cleanly on it. The sound of every clip is decoded, laid end to end and written as one track; a clip with no sound is silence for its length, and Mute leaves the sound track out altogether. A long merge is written straight to disk while it is made, so merging large videos is not limited by memory.
The videos never leave your device. They are opened, decoded, joined and written in your browser, on your own machine, with nothing sent to a server. Close the tab and there is nothing anywhere to delete.