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Thumbnail Tester

Preview like YouTube (desktop & mobile)

Thumbnail Source

Paste image URL

or

Upload image

Recommended size: 1280 × 720 (16:9). Max file ~5MB.

Overlay Options

Video title (for mock UI)

Duration Badge

Show timestamp Show red watch progress Dark theme

Scaling

Zoom preview

Use zoom to simulate different displays/pixel densities.

Sample Title for Search Result

Channel Name • 1.2M views • 2 days ago

Short description appears here. Your first two lines are crucial for CTR.

Sample Title for Mobile Search

Channel • 120K views • 4 hours ago

Home Feed Card Title

Channel • 987K views • 1 week ago

Suggested Video #1

Channel • 123K views

Suggested Video #2

Channel • 123K views

Suggested Video #3

Channel • 123K views

Suggested Video #4

Channel • 123K views

Suggested Video #5

Channel • 123K views