AI Thumbnail Generator

Generate YouTube thumbnails instantly using AI. Upload a photo, add context, and get AI-crafted results in both 16:9 and 9:16 aspect ratios.

Screenshots

Sign In

Login Interface

Set Your Preferences

Settings Panel

Generate Thumbnail

Progress Tracking

Preview

Generated Thumbnails

Final Results

Download & Export

Installation

npm install

Configuration

Copy .env file:

cp env.example .env

Set required variables in .env:

GEMINI_API_KEY=''

# Required: Demo Credentials (for reviewer access only)
DEMO_USERNAME=''
DEMO_PASSWORD=''

Running

npm run dev

Open http://localhost:5173

Build

npm run build