About Test Thumbnail (Thumbnail Previewer)

Test Thumbnail is a free online tool that helps you check and preview your YouTube thumbnail and title exactly as they would appear on the YouTube app. You can set your video title, thumbnail, channel name, and logo, and see how they look in real time. The tool also lets you preview how your thumbnail will appear on different devices, in both light and dark themes, ensuring your design is optimized for all users.
Test Thumbnail is designed by a YouTuber, specifically with the needs of other YouTubers in mind. It's completely free to use, with no registration or login required, so you can focus on perfecting your content without any hassle. You can easily share your video previews with friends, clients, or collaborators, making it simple to gather quick feedback and make improvements before publishing.

Why Test Thumbnail ?

• No login required.

• Completely free with unlimited previews.

• Gain competitor insights and compare thumbnails.

• Uploaded files are private and temporary.

• Familiar YouTube-like interface.

• Preview on multiple devices and themes.

• And much more...