Getting Started with ThumbNew

Create your first AI YouTube thumbnail in under 60 seconds with this quickstart guide.

Welcome to ThumbNew — the free AI YouTube thumbnail generator. This guide walks you from signup to your first rendered thumbnail.

1. Create your account

Sign up with email and password. Every new account gets free starter credits each month.

2. Describe your video

In the prompt box, write what your video is about. Be specific: subject, mood, niche.

3. Pick a category

Choose the niche (Gaming, Cars, Comedy, How-To, etc.) so ThumbAI applies the right style pack.

4. Generate

Click Generate. In about 15 seconds you'll get a 1280×720 CTR-optimized thumbnail ready to download.

Free AI Thumbnail Generator for YouTube

Create viral thumbnails in seconds using AI. No login required. Perfect for YouTubers who want higher CTR.

Why Use Our AI Thumbnail Maker?

Our AI thumbnail generator helps you design eye-catching YouTube thumbnails instantly. No design skills needed.

How to Create High-CTR YouTube Thumbnails

A strong thumbnail is the key to getting more clicks on YouTube. With our AI thumbnail maker, you can test different styles and find what works best.

Focus on contrast, clear subjects, and bold text. Our tool automatically generates thumbnails based on proven high-performing patterns.

Best Free AI Thumbnail Generator

ThumbNew is one of the easiest tools to generate thumbnails online. Unlike complex tools like Photoshop, everything works instantly in your browser.