Thumbnail Builder

The 1-second decision that kills 90% of videos.

Build thumbnails around a click reason, not a pretty composition.

Score every candidate on tension, conflict, and proof.

Ship the one viewers can't scroll past.

NARRATA builds around your vision and fills in the rest.

P = Primary (weight 70%)S = Secondary (weight 30%)
Curiosity

I need to know more — missing information creates physical lean-forward response

intensity: 6/10
Shock

Brain rejecting what eyes see — involuntary full-body reaction frozen in single frame

intensity: 9/10
Fear

Predator-prey response — body in survival mode before brain catches up

intensity: 8/10
Contradiction

Reality refuses to make sense — visible cognitive collision in real time

intensity: 7/10
Anxiety / Unease

Knowing something is wrong before you can name it — body warning before mind

intensity: 6/10
Greed / Desire

Euphoric impossible reward — the second money becomes real not abstract

intensity: 8/10
Determination

Body breaking but will refusing — visible effort cost frozen in single image

intensity: 8/10
Amazement / Wonder

Brain rebooting at scale or impossibility — pure awe before words return

intensity: 7/10
Disgust / Revulsion

Body rejecting what it must witness — involuntary recoil from wrong

intensity: 8/10
Mystery

Witnessing something not meant to be witnessed — forbidden discovery moment

intensity: 7/10
Transformation

Two genuine states of same person — visible cost and visible reward simultaneously

intensity: 7/10
Image Quality

Choose generation tier — higher tier yields more cinematic output.

Nano Banana Pro
YouTube References

Pull top thumbnails for visual context.

Reference photos can drastically change the outcome — upload a face or product and the result will match it closely.

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Ready to Generate

Enter your title and concept above. The system will generate thumbnails engineered for clarity, emotion, and high click-through rate.