Now in early access
Stop guessing
which thumbnail
wins.
ShotLab A/B tests your YouTube Shorts thumbnails automatically — generating 5 variations, running them through a viewer-behavior bot, and surfacing the winner. So you stop guessing and start growing.
shotlab — live test
BOT RUNNING
🎬
A
42%
✨
WINNER
B
71%
🎯
C
55%
bot@shotlab:~$analyzing viewer heatmaps▍
✦ 1,200+ creators on the waitlist✦ Auto-generate 5 thumbnail variations✦ Browser bot simulates real viewer behavior✦ Data-driven winner every time✦ Built for 10k–100k subscriber channels✦ 1,200+ creators on the waitlist✦ Auto-generate 5 thumbnail variations✦ Browser bot simulates real viewer behavior✦ Data-driven winner every time✦ Built for 10k–100k subscriber channels
How it works
From video to winner in three steps
📤
1
Upload your video
Connect your YouTube channel and pick a Short. ShotLab pulls frame data and metadata automatically.
🤖
2
Bot simulates viewers
A browser bot clicks through 5 AI-generated thumbnail variations, recording scroll-stop rates and click-through.
🏆
3
Winner revealed
See a clear report: which thumbnail captured the most attention and why. Ship it with confidence.
5xThumbnail variations tested per video
2 minAverage time to get results
10k–100kTarget creator subscriber range
Pricing
One plan. No guessing.
ShotLab Pro
Automated thumbnail A/B testing for YouTube Shorts
$19/month
- ✓5 thumbnail variations per upload
- ✓Browser bot simulates real viewer behavior
- ✓Auto-selects the winner
- ✓Works with any YouTube Shorts channel
Cancel anytime. No setup fees.
⚗️
Be first in the lab
Join 1,200+ creators already on the waitlist. Early access members get free credits and priority onboarding.