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⊞ Group
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CTR: 2.0/10
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Opacity100%
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AI Title Generator
Enter your video topic and get viral YouTube titles powered by Groq AI (free).
CTR Tips from AI
Quick Phrases
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Saved Snapshots
55%
Preview:
YT Standard
YT Search
Shorts
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A/B Compare
🎯 CTR Score
2.0
/ 10 — Poor
Add image + text + style to boost CTR
🧠 AI Tips
🔧 Properties
Select an object
📂 Layers
⌨ Shortcuts
Ctrl+ZUndo
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🎬 Free Thumbnail Maker · No Signup

Everything You Need to Create Viral YouTube Thumbnails

KJSynthora's thumbnail maker combines professional design tools with AI-powered insights to help you create thumbnails that actually get clicked.

📐

20+ Pro Templates

Start from gaming, finance, tech, reaction, and educational thumbnail templates — all optimized for high CTR based on top YouTube channels.

🤖

AI Title Generator

Enter your video topic and get 5 viral-style YouTube titles powered by Groq Llama AI. One click to add directly to your thumbnail.

💡

Text Effects

Neon glow, gradient, outline, 3D shadow, and glitch text effects. 20+ fonts including Impact, Bebas Neue, Orbitron, and more.

📊

CTR Score Meter

Real-time CTR (Click-Through Rate) score from 0–10 based on your thumbnail's image, text, contrast, and composition quality.

🎨

Background Styles

Gaming, finance, tech, horror, and 4 more category-specific gradient styles. Custom gradients and solid colors with overlay controls.

📱

Live Preview Strip

See your thumbnail exactly as it appears on YouTube standard, search results, Shorts, and mobile — simultaneously while you design.

Image Filters

Brightness, contrast, saturation, blur, and blend modes applied directly to uploaded images. Professional photo editing in the browser.

💾

Save / Load Projects

Save your complete design as a JSON file and reload it anytime. Never lose your work. Export as PNG, JPG, or WebP.

🔒

100% Private

Everything runs in your browser using Fabric.js. Your images and designs never leave your device — zero server uploads, ever.

📝 Thumbnail Guides

Learn to Make Thumbnails That Get More Clicks

❓ FAQ

Frequently Asked Questions

🎬 Ready to Make Viral Thumbnails?

Start from a template above — no signup, no watermark, unlimited exports.