Reaction videos
without the creator
Upload any video. Pick an AI avatar. Get a lip-synced, scripted reaction ready for TikTok, for a fraction of what a UGC creator charges.
Instant Generation
Script to final video
100+ AI Avatars
Realistic lip-sync
TikTok-Ready
9:16 portrait format
Natural Voiceover
Not robotic
Three steps. No editing skills needed.
Go from raw video to a finished reaction. No editing needed.
Upload Your Video
Drop any video up to 25 seconds. We support all major formats, just drag and drop.
Pick an Avatar & Voice
Choose from 100+ realistic AI avatars and natural-sounding voices. Generate one reaction or a whole batch at once.
Download & Post
Preview your reaction in a live player, tweak the avatar layout, then render a lip-synced video ready for TikTok, Reels, or Shorts.
See what AI reactions actually look like
These were generated in minutes. No editing, no creators, no scripts written by hand.
Everything you need to create
viral reactions
AI That Actually Watches Your Video
Our AI analyzes every frame and writes reactions that sync to what's happening on screen, not generic filler. Bold, funny, opinionated, like a real creator.
100+ Realistic Avatars
A curated library of AI avatars that deliver reactions with natural expressions and lip-synced speech. Pick a different one for every video.
Voices That Sound Human
Natural voiceover that sounds expressive and conversational, not robotic. Multiple voices to match your content style.
One-Click Render & Export
Preview your reaction in a live 9:16 player, customize avatar position and size, then render a final lip-synced video with one click. Ready to post anywhere.
UGC creators charge hundreds.
AI costs a fraction.
Same reaction content. A fraction of the cost. Zero back-and-forth.
Hiring UGC Creators
The old way
MakeReactions.AI
The smarter way
Simple pricing. Cancel anytime.
Pick a plan that matches your volume. Upgrade or downgrade whenever you want.
Got questions?
Your next viral reaction starts here
Stop waiting on creators. Stop overpaying for reaction content. Upload a video and see for yourself.