Any two sources
Combine a finished project, an avatar video, an AI clip, a curated gameplay clip, or a direct upload — in either half.
Split Videos. Two videos, one split-screen short.
Pick two videos and Crealix stacks them into one split-screen short — drag the split, choose what you hear, add narration, captions, music and spotlight moments, then render a clean vertical video.
No credit card requiredGet started in seconds
01Results
Split-screen videos made with Crealix
Two clips, one short — talking heads, avatars, app demos and gameplay, composed end to end.
02How it works
How it works
Three steps from two clips to a finished split-screen short.
01
Pick two videos
Choose the two halves from your projects, avatars, AI clips, gameplay library, or an upload — top/bottom or side-by-side.
02
Set the layout & audio
Drag the split ratio, pick which clip is heard, and optionally add an AI-written narration, captions, music and SFX.
03
Spotlight & render
Add spotlight moments that cut to one video full-frame, then render a clean vertical short and post it anywhere.
Split VideosTalking ObjectsAI DramaAI SkeletonAI Movies
Pick two videos
Set the layout & audio
Ready
Cost shown before you createCreate video
03Features
Everything baked in
From the two source clips to captions and spotlights, the whole composition is handled for you.
Draggable split
Top/bottom or side-by-side, with a draggable divider and quick 50/50, 60/40 and 70/30 presets in any aspect ratio.
Pick what you hear
Each half has its own audio. Avatars keep their voice automatically; mute or unmute any clip, or narrate over the whole thing.
Spotlight & captions
Cut to one video full-frame for chosen moments, and auto-generate captions from whatever audio is heard.
04Before and after
Split-screen videos eat hours in an editor
Without Crealix
The split-screen / reaction format prints on TikTok and Reels — a talking head or app demo on one half, gameplay or B-roll on the other. But building it by hand means importing two clips, lining them up, masking, syncing audio, adding captions and music, and re-rendering every time you tweak the split.
With Crealix
Pick two videos — a finished Crealix project, an avatar, an AI clip, a gameplay clip, or an upload — and Crealix stacks them into one split-screen short. Drag the split, choose which half you hear, add optional AI narration, captions, music and SFX, and even spotlight one video full-frame for a beat. Render a clean vertical short in minutes.
05Use cases
Who it's for
Anyone who wants the split-screen / reaction format without the editor grind.
Faceless & UGC creators
Pair a talking clip or avatar with gameplay or an app demo and post the format that keeps people watching — daily.
SaaS & app marketers
Put a screen recording on one half and a reaction or narration on the other to make product demos actually watchable.
Agencies & editors
Produce split-screen short-form for clients at volume without rebuilding the layout and re-rendering by hand each time.
06Compare
Crealix vs. a manual video editor
An editor makes you rebuild the split every time. Crealix composes and finishes it for you.
CrealixManual editor
Pull both halves from projects, avatars, AI clips or gameplay
Draggable split + presets in any aspect ratio
Auto narration, captions, music & SFX
Spotlight moments + one finished vertical video
07FAQ
Frequently asked questions
What can I use as the two videos?
Any combination of a finished Crealix project, an AI avatar video, an AI video clip, a curated gameplay clip, or a video you upload from your device.
Which video's audio plays?
You choose per clip. Avatars keep their audio automatically; everything else starts muted so a narration or music can drive the sound. Unmute any half with one tap, and the captions follow whatever audio is heard.
Do I need a narration?
No. Narration is optional — if you add a script, Crealix records it with ElevenLabs and times the captions from it. Without narration, the captions transcribe whichever clip's audio is playing.
What is a split-screen video?
Two videos playing in one short, stacked top and bottom or side by side, with a split you can drag. It's the classic reaction and UGC layout — for example gameplay or an app recording on one half and a talking avatar on the other.
How long is the final video?
It sets itself: the length of the narration if you add one, otherwise the longer of the two clips, with the shorter one looping to fit.
Can one video take over the full screen for a moment?
Yes. Spotlight moments cut to one of the two videos full-frame for a beat, then go back to the split.
Does Crealix create the two videos for me?
Split Videos combines two videos you already have. You can make either half in Crealix first — an AI avatar, an AI clip or a finished project — or use a curated gameplay clip or your own upload.
Autopilot
Run Split Videos as an AI video series
Write one brief, set the days and times, and Autopilot produces and publishes a new Split Videos video on schedule — you approve each episode first.
See how Autopilot worksMy Voices
Narrate Split Videos in your own voice
Clone your voice from a 20-second recording, or design one from a description, and every Split Videos video comes out narrated by you — captions synced word by word.
See how voice cloning works