Skip to main content

YouTubeサムネイル見え方チェッカー

投稿前にYouTubeフィード上でサムネとタイトルがどう見えるかテスト。

Details

Dark Mode

Desktop Preview

Thumbnail preview 10:05

My Awesome Video Title

MrBeast
1.2M views • 2 hours ago

Mobile Feed Preview

Thumbnail preview 10:05

My Awesome Video Title

MrBeast • 1.2M views • 2 hours ago

Master Your YouTube Click-Through Rate

A great video means nothing if no one clicks on it. The TinySocialMediaTool Thumbnail Previewer lets you visualize exactly how your thumbnail and title will look in the YouTube feed before you hit publish.

A/B Test Before Uploading

Upload your thumbnail designs and test them against different titles in real-time. See how they appear in both Light and Dark mode to ensure your text is legible and your imagery pops against the YouTube background.

Mobile & Desktop Views

Over 70% of YouTube traffic comes from mobile devices. Our previewer instantly renders both the standard Desktop grid layout and the compressed Mobile feed layout, allowing you to guarantee your thumbnail looks perfect on every screen size.

Frequently Asked Questions

Thumbnail size and context matter. A thumbnail might look great when blown up in Photoshop, but the text might be completely unreadable when scaled down to a mobile phone screen on the YouTube app. Previewing helps you catch these scaling issues.

The optimal size for a YouTube thumbnail is 1280x720 pixels (with a minimum width of 640 pixels). Ensure it has a 16:9 aspect ratio and is kept under the 2MB file size limit.

No! The Thumbnail Previewer works entirely within your local browser. Your thumbnail images are never uploaded or saved to our servers, ensuring your upcoming video ideas remain completely private.

Telegramボット

ダウンロード履歴に素早くアクセスし、ファイルを最大5日間保持できます！

Telegramボットを使う

⚡ 無料ブラウザ拡張機能

YouTubeやTikTokなど30以上のSNSでワンクリック保存！

拡張機能を入手 (.zip)

免責事項：TinySocialMediaToolは各SNS運営元と提携していません。著作権法令を遵守し個人利用の範囲でご使用ください。