Easy AI-Powered thumbnails for tutorials using Nano Banana

Tired of generic visuals? Use Thumbnai to instantly how-to-make professional, eye-catching thumbnails for your tutorials content. Thumbnai helps you show a clear, achievable 'before and after' result and drive clicks from people seeking a solution to a problem.
Why a Great Thumbnail is Crucial for Tutorials
The tutorials niche is highly competitive, your thumbnail is your digital billboard. It's the single most important factor in a potential viewer's decision to click. A great thumbnail promises value, sets the tone, and builds brand recognition before they even read your title. Thumbnai is designed to give you that unfair advantage.
Here's your 3-Step Workflow to the Perfect Thumbnail
Go from a simple idea to a good output in under a minute. Here's how:
1. Provide Context
Upload a reference image (your face, a product, a screenshot) and select an AI Model like Thumbnail Max for realism or Google's Nano Banana for top quality.
2. Write Your Prompt
This is where the magic happens. Describe the scene you want. Be specific! Scroll down for prompt ideas tailored for tutorials.
3. Generate & Download
Click "Generate." Our AI delivers four unique variations to your panel. Pick your favorite, download it, and watch your engagement soar.
Use the Power of Gemini's Nano Banana with AI
The 'Nano Banana' model is your go-to for quality and stylized art. It's specifically tuned for creating graphics that feel more real. It excels at:
- Text on images
- Portraits
- Vector-style illustrations and logos.
- Cel-shaded and cartoon characters.
- Clean, graphic designs with bold colors.
Prompt Ideas to How to make Top-Tier Tutorials Thumbnails
Don't know where to start? Use these battle-tested prompt structures as inspiration.
"Dynamic thumbnail for tutorials with glowing effects and high-contrast colors"
"A clean split image: the left side is a broken, messy object; the right side is the same object perfectly fixed and stylized, professional product photography."
"A step-by-step process represented by a series of glowing icons and arrows on a dark, technical blueprint background, clean vector graphics."
Stop guessing and start generating. Create your first thumbnail now and see the difference AI can make.