AI YouTube缩略图制作器

上传您的照片，将人脸包含在缩略图中

添加照片

已选风格:

配置生成参数

高级

高画质及精准文字渲染

支持 3:4 和 16:9 格式

文本生成质量：极佳

高级 2K

2K 画质及精准文字渲染

支持 3:4 和 16:9 格式

文本生成质量：极佳

专业级 2K

保留面部特征与原始细节。适合手机端查看

支持 3:4 和 16:9 格式

文本生成质量：极佳

专业级 4K

最高画质生成。保留面部特征与原始细节。打印首选

支持 3:4 和 16:9 格式

文本生成质量：极佳

选择宽高比

Describe the thumbnail (e.g., 'shocked face reaction to a mystery box', 'cooking show with sizzling steak')

Reaction / Surprise

Cooking Show

Tech Review

旅行 VLOG

Gaming

Fitness Challenge

Mystery / Horror

DIY / Tutorial

Money / Finance

Music / Performance

Describe the thumbnail scene, mood, and text to display. AI generates a click-worthy thumbnail in 16:9 format

💡 使用AI封面生成器创建YouTube频道横幅

💡 需要频道Logo？试试AI Logo生成器

💡 照片陈旧或损坏？尝试自动画质增强与修复

生成案例

为YouTube视频创建高点击率缩略图

Create YouTube thumbnails free with AI. Generate click-worthy video thumbnails with bold text, vibrant colors, and attention-grabbing designs. AI thumbnail maker — no Photoshop needed.

AI YouTube缩略图生成器

Create eye-catching YouTube thumbnails that get clicks with our AI thumbnail maker. Describe the scene — a reaction face, a product showcase, a dramatic moment — and add your video title. The AI generates a professional thumbnail with bold visuals and integrated text. Optimized for the YouTube recommended size, perfect for standing out in search results and suggested videos. No Photoshop or design experience required.

适用于各类细分领域的缩略图风格

Reaction thumbnails — — shocked faces, emotional expressions, and dramatic moments with explosive backgrounds and bold text overlays.
Tutorial thumbnails — — clean layouts showing the final result, step-by-step visuals, and clear text explaining what viewers will learn.
Gaming thumbnails — — epic battle scenes, character closeups, and neon-lit compositions with dynamic action elements.
Vlog thumbnails — — travel destinations, lifestyle scenes, and personal moments with warm, inviting atmosphere.
Review thumbnails — — product showcases with premium lighting, comparison layouts, and tech-inspired visual effects.

如何制作YouTube缩略图

描述缩略图场景：主体、情绪和视觉风格
在文本叠加字段中添加视频标题或吸引人的文案
可选：上传您的照片，将人脸包含在缩略图中
点击创建 — AI会在几秒钟内生成高点击率缩略图

常见问题

缩略图的尺寸是多少？

Thumbnails are generated in widescreen landscape format, matching YouTube's recommended proportions. Download in high resolution for crisp display on all devices.