About Grimbang
Your Sentence, Becomes Art.
What is Grimbang?
Grimbang (그림방) is an AI-powered YouTube thumbnail generator. Describe your video in one sentence — Grimbang instantly creates a professional, eye-catching thumbnail optimized for YouTube.
No design skills, no Photoshop, no templates. Just type what your video is about, and let AI do the rest.
Our Mission
We believe every creator deserves a great thumbnail — regardless of budget or design experience. Thumbnails are one of the most critical factors in a video's click-through rate, yet most creators spend hours creating them or pay expensive designers.
Grimbang makes professional-quality thumbnails accessible to everyone in seconds.
How It Works
- Sign in with your Google, X, Discord, or GitHub account
- Describe your video concept in one or two sentences
- Our AI (powered by Google Gemini) generates a 16:9 thumbnail in seconds
- Download or refine with Precision Edit
Technology
Grimbang uses Google Gemini AI for thumbnail generation and FLUX Kontext Pro (via fal.ai) for precision editing. Images are generated at 16:9 aspect ratio with bold, high-contrast compositions designed for maximum visibility at thumbnail size.
Pricing
Grimbang operates on a credit-based system. 1 credit = 1 AI generation or edit.
- Free: 5 credits on signup, no credit card required
- Starter: $9.99/month — 30 credits
- Pro: $24.99/month — 100 credits
- Ultra: $59.99/month — 300 credits
Get in Touch
Have questions, feedback, or partnership inquiries?
Visit our Contact page or reach us on X @grimbang_ai.