Reaction video editor
Make split screen reaction videos that keep your commentary and the original clip perfectly in view.
Commentary video editor
Turn your footage into engaging commentary content with a creator reaction tool built for adding reactions, voiceovers, and context. Keep your commentary and source video in sync, then export high-quality content ready to share everywhere.
How to create split screen reaction videos
Create better split screen reaction videos
Bring your reaction and the original clip together with flexible layouts, precise timing, captions, and framing controls built for engaging split screen reaction videos.
Add more personality
Use Async creator reaction tool to combine your reactions with voiceovers, subtitles, music, and effects, giving every clip more personality and context.
More than a commentary video editor
Take your content further with a versatile commentary video editor for trimming, audio enhancement, captions, effects, and creating all kinds of social-ready videos.
Built for every kind of video workflow
Turn trending clips, memes, and moments into engaging split screen reaction videos for Shorts, Reels, and TikTok.
Add your take, context, and voiceover with a flexible creator reaction tool built for expressive commentary.
Combine clips, reactions, captions, and edits to create informative reviews and breakdowns.
Why use Async for split-screen reaction videos?
We love seeing you bring your vision to life. Most tools stop after basic commentary videos, but Async stays with you for the whole process. Keep editing, generate new videos, and chat with our AI editor until your work looks exactly how you imagined it.
