The Free AI Thumbnail Studio · Used by 10,000+ Creators

Create Thumbnails That
Actually Get Clicked

Most thumbnails are invisible. Yours won't be. ThumbCraft gives you an AI-powered canvas, viral text ideas, and instant export — everything a creator needs to turn scrollers into viewers.

✨ AI Text Suggestions
🎯 Focus Elements
📊 AI Score Analyzer
⚡ One-Click Export
Start Creating Free

No sign-up required  ·  100% runs in your browser  ·  Always free

10×
Faster than Photoshop
7
Export Formats
100%
Browser-Based
Free
No Sign-Up Needed

Why ThumbCraft?

Everything you need to
stop getting ignored

Your thumbnail is the first — and sometimes only — chance to earn a click. ThumbCraft gives you professional-grade tools to make every frame count.

🤖
AI Score Analyzer
Get an instant click-through-rate score powered by Claude AI. Understand exactly what's working and what's holding your thumbnail back — with actionable tips to improve it.
✍️
Viral Text Generator
Type your topic and get a batch of high-impact text ideas proven to trigger curiosity, urgency, and emotion — the three ingredients behind every click-worthy thumbnail.
📐
Template Gallery
Start from a battle-tested layout instead of a blank canvas. Choose from Gaming, Tech, Lifestyle, and Business templates — then make it yours in seconds.
⚡
Smart Auto Layout
One click arranges your image and text into a balanced, visually optimised composition. Great for when you're in a hurry but still want it to look polished.
◎
Focus Elements
Draw the viewer's eye exactly where you want it. Drop circles, rectangles, and arrows onto your canvas to highlight faces, products, or moments that demand attention.
📦
Multi-Platform Export
One-click export in the perfect dimensions for YouTube, Instagram, Twitter, and Facebook. No cropping, no guesswork — just the right size, every time.
Canvas
800 × 600
Before / After Compare
Before
After
OriginalEdited

⌨️ Keyboard Shortcuts

Add TextEnter
UndoCtrl+Z
RedoCtrl+Y
DownloadCtrl+S
Clear CanvasCtrl+Shift+C
Smart Auto LayoutCtrl+L
Contrast BoostCtrl+B
Delete SelectedDelete
Toggle Help?

Confirm Action

Are you sure?

📐 Template Gallery

🔑 Anthropic API Key

Paste your Claude API key to enable AI thumbnail analysis. Stored in sessionStorage only — never shared.

Key is only sent directly to the Anthropic API from your browser.

AI Thumbnail Analyzer AI