🔍 Smart Blur Testing • Research-Validated

YouTube Thumbnail Blur Tester

Test if your YouTube thumbnails stand out with the research-validated blur test method

Simulate YouTube feeds • 📱 Mobile-first testing • 📈 Optimize click-through rates like top creators

Preview Controls

Desktop

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Shortcuts: B blur • T theme • M mobile • R rearrange

STEP 1Upload Your Thumbnail• Follow the three-element rule

Upload your thumbnail to get started

Click here or drag & drop your image

JPG, PNG, WebP up to 10MB

💡 Pro tip: Use high contrast and one clear focal point for best results

Video Title• Create curiosity gaps

0/100 characters • Title + thumbnail coherence beats cleverness

Channel Name

Duration

mm:ss

Type numbers only (e.g., 1024 → 10:24) or click presets

YouTube Homepage Preview

DesktopLight

10:24

Your Channel

1.2M views • 2 days ago

Focus View

Isolated view of your video packaging for detailed analysis

10:24

Your Channel

1.2M views • 2 days ago