Side by Side Video
Combine two videos into one frame: side by side, top and bottom, or stacked in 9:16 for Shorts, Reels and TikTok. Choose whose sound plays, or both, and whether the result runs as long as the longer or the shorter video.
A free tool from Arsaze, the AI video editor. Try the editor
Choose two videos
Drop files here, click to browse, or paste. One file or many.
MP4, MOV, WebM, MKV
Your files are opened by this page and processed locally on your device. They are not uploaded.
Layout
Length
With Longest, the shorter video holds its last frame until the end.
Sound
About
Put two videos side by side online, free. Choose two clips and combine them into one frame: left and right, top and bottom, or stacked in 1080 × 1920 for Shorts, Reels and TikTok. It runs in your browser, so neither video is uploaded.
Each video keeps its shape. Side by side matches their heights and top and bottom matches their widths, up to 1080 pixels; Stacked 9:16 fills each half of the frame and trims the edges. Choose whose sound plays, the first video's, the second's, both mixed, or none.
When the clips are different lengths, the result runs as long as the longer one, with the shorter one holding its last frame, or as long as the shorter one. To join clips one after another instead, use the video merger.
How to use the Side by Side Video
- 1
Choose two videos
Drop two videos on the page, together or one after the other: MP4, MOV, WebM or MKV.
- 2
Pick a layout
Under Layout, pick Side by side, Top and bottom or Stacked 9:16.
- 3
Set length and sound
Choose Longest or Shortest, and which video's sound to keep.
- 4
Combine and download
Click Combine videos, watch the result, then Download video.
What people use it for
Reaction videos
Show your reaction next to the clip you're reacting to.
Before and after
Compare an edit, a recipe or a workout progress in one frame.
Vertical duets
Stack two clips in 9:16 for Shorts, Reels and TikTok.
Tutorials
Show a face camera and a screen recording together.
Questions
Is it free to put two videos side by side?
Yes. It is free, needs no account and adds no watermark.
Are my videos uploaded?
No. The videos are combined on your device and nothing is uploaded.
Will my videos be stretched?
No. Each keeps its shape. In Stacked 9:16 each half is filled and its edges trimmed.
What happens when one video is shorter?
With Longest, the shorter one holds its last frame until the end. With Shortest, the result ends with the shorter video.
Can I use the sound of both videos?
Yes. Choose Both under Sound and the two are mixed together.