VidRaft
100% Free Utility

Multi-Video Split-Screen & Grid Maker

Combine 2 to 4 video clips into side-by-side, stacked, or 2x2 grid comparison videos with zero cloud uploads.

100% Private & Secure (Zero Cloud Uploads) Hardware-Accelerated EngineNo signup or credit card required

1Select Videos (0/4 Selected)

Select 2 to 4 videos to combine, or browse files

Supports MP4, WebM, MOV, AVI • Side-by-side, stacked, or 2x2 multi-cam grids

Multi-Stream Video Collage & Split-Screen Guide

Split-Screen Video Maker: Combine Multiple Clips Into One Frame

Some stories and transformations are meant to be seen together rather than cut one after another. A dramatic before-and-after makeover. A reaction video where the original clip plays right alongside live commentary. A head-to-head product showdown, or a podcast trailer displaying multiple remote guests at once.

All of these rely on multi-stream synchronous composition: combining two or more separate video files into a single master canvas, playing in synchronized lockstep side by side or in a grid.

Real-Time Multi-Stream Sync

Composites multiple video streams into 16:9 widescreen, 9:16 vertical reels, or 1:1 square layouts with intelligent audio routing.

Zero Cloud Uploads • 100% Private

Common Split Layouts and When to Use Them

Selecting the ideal spatial composition for your content format:

Side-by-Side (2 Clips)Horizontal

Classic left-and-right comparison. Perfect for before/after visual effects, product shootouts, and dual camera angles.

Stacked Top/Bottom (2 Clips)Vertical 9:16

Optimized for TikTok, Reels, and Shorts feeds. Stacks reaction commentary over gameplay or viral clips without horizontal pillarboxing.

2×2 Quadrant Grid (4 Clips)Collage

Displays four simultaneous angles or multi-guest podcast panels in a balanced, square or widescreen grid.

How to Make a Split-Screen Video

Composite multi-cam videos in 4 simple steps:

1

Upload Clips

Select 2 to 4 video files from your device.

2

Choose Layout & Ratio

Pick Side-by-Side, Stacked, or 2x2 Grid with 16:9, 9:16, or 1:1 canvas.

3

Configure Audio

Select primary audio from Video 1, Video 2, or mixed soundtrack.

4

Export Video (MP4)

Download your merged multi-stream split-screen video instantly.

Pro Tips for High-Fidelity Split-Screen Edits

Avoid common production pitfalls when combining multiple streams:

Match Source Aspect Ratios

Mixing vertical 9:16 clips with horizontal 16:9 clips in a side-by-side layout can cause black padding. Pre-crop source clips for clean symmetry.

Select a Dominant Audio Track

Playing two loud dialogue tracks at the same time creates muddy noise. Select the primary speaker or reaction track as the main audio source.

Trim Starting Sync Cues

For reaction videos and dance duets, pre-trim leader frames so both subjects hit their action moments in perfect visual lockstep.

Frequently Asked Questions

Common questions regarding split-screen layouts, audio mixing, and reaction videos.

Our tool supports 2 to 4 simultaneous video streams. You can combine 2 clips in side-by-side or stacked top-and-bottom orientation, or composite 4 clips into a balanced 2×2 quadrant grid.

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