9:16 Vertical Video Splitter & Reaction Styler

Create Split-Screen Reactions For TikTok & Reels

Stack two videos vertically for TikTok, Instagram Reels, and YouTube Shorts. Customize reaction borders, PiP bubbles, and export in 1080x1920.

Viral Format Presets

Split Layout Mode

Video Track Placeholders

Primary Video (Top / Left)

Secondary Video (Bottom / Right)

Divider Border & Accent

Divider Width3px

Original Clip / Gameplay

1080x960 MP4

Facecam / Reaction

1080x960 MP4

1080x1920

Frequently Asked Questions

How do I merge split-screen videos in CapCut?

Open CapCut, set canvas to 9:16. Place your first video on the main track, use 'Overlay' to import the second video, and scale each clip to 50% top and bottom.

Are bottom gameplay B-roll videos copyright safe?

Royalty-free background loops (kinetic sand, Minecraft parkour, soap cutting) are widely considered Fair Use when serving as secondary visual stimulation under original commentary.