**AI Thumbnail Generator for YouTube – Try Free – Thumbrix**

> Create a thumbnail with our AI thumbnail generator for YouTube. Start with an idea or photo, try it free, and unlock 2K and 4K generation without a watermark. AI Thumbnail Generator for YouTube Use our AI thumbnail generator with a video idea or your own photo. Your first generation is free, no signup needed. Create a Thumbnail from Text or a Photo What’s your video about? Try an idea: Tech Food Travel Add text, a sk...

**来源信息**
- **来源**：Hacker News：AI 热帖
- **分类**：ai-products
- **发布时间**：2026-09-11 12:18（北京时间）
- **原文**：[打开原文](https://thumbrix.com/)