Is GetThumbAI really free?

Yes. You get 15 free credits with no sign-up and no credit card. Use them to generate covers with both AI models.

What platforms does GetThumbAI support?

YouTube (16:9), YouTube Shorts (9:16), TikTok (9:16), Pinterest (2:3), and 小红书 (3:4). You can also set custom dimensions.

Do I need to sign up to use GetThumbAI?

Not for the free tier. Just visit the site and start creating. Paid plans require an account to manage credits.

What AI models does GetThumbAI use?

You can choose between GPT Image 2 (OpenAI) and Gemini 3 Pro (Google) for each generation.

Stop Losing Views to Bad Thumbnails

Type your title. AI generates a ready-to-publish cover in 30 seconds. No design skills needed.

Generate My Cover — Free

15 free creditsNo sign-up requiredYouTube, TikTok, Pinterest, 小红书

The Old Way vs. The AI Way

Stop wasting hours on complex design tools.

The Old Way

45 minutes in Canva. Dragging elements. Adjusting fonts. Tweaking colors. The result still looks amateur. Every missed click is a lost subscriber.

The AI Way

30 seconds with AI. Type your title. Pick a platform. Get a scroll-stopping cover. Move on to your next video — your thumbnails are handled.

How It Works

Type Title

Describe your video, post, or pin. Add a style if you want.

Pick Platform

YouTube, TikTok, Pinterest, or custom. Size adjusts automatically.

Download

Get a high-resolution, click-optimized image in seconds.

Features Designed for Speed

AI Cover Generation

Describe your idea, get a complete cover image. No templates, no drag-and-drop — AI creates from scratch. Two models to choose from: GPT Image 2 and Gemini 3 Pro.

Multi-Platform Presets

YouTube, TikTok, Pinterest, 小红书, and custom sizes. One click to switch.

Image-to-Prompt Reverse

Upload any cover image, extract editable design prompts. Reverse-engineer what works.

No Sign-Up, No Watermark

Free tier works without registration. Paid plans have no watermarks. Zero friction — start creating immediately and try it risk-free.

One Tool. Every Platform.

Generate perfectly sized covers for every platform you publish on. No manual resizing.

YouTube

16:9

Video Thumbnails — Bold text, high contrast, click-optimized layouts that stand out in the feed.

TikTok

9:16

Short Video Covers — Vertical format, trending styles, mobile-first design for maximum engagement.

2:3

Pin Images — Tall format, inspirational design, scroll-stopping visuals that drive saves.

小红书

3:4

Note Covers — Aesthetic style, engagement-focused, optimized for the 小红书 feed algorithm.

Simple, Transparent Pricing

Start for free. Upgrade when you need more power.

Free

$0/mo

15 credits (lifetime)
Both AI models available
YouTube size only
No watermarks
Image-to-prompt reverse
YouTube link extraction

Start Free

Pro

$9.99/mo

110 credits/month
Both AI models
All platforms (YouTube, TikTok, Pinterest, 小红书)
No watermarks
All features included
Smart resize
Subject upload

Upgrade to Pro

Cancel anytime · 14-day refund policy

Business

$29.99/mo

330 credits/month
Both AI models
All platforms
No watermarks
Batch generation
Priority processing
All features included

Go Business

Frequently Asked Questions

You Already Have Great Content.

Don't let bad packaging hide your work. Start generating high-converting covers today.

Generate My First Cover — Free