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Previsualizador de miniaturas de YouTube

Comprueba cómo se verá tu miniatura y título en el feed de YouTube antes de subirlo.

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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.

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