IN DEVELOPMENT

The Thumbnail Lab.

See what your audience sees. Test your thumbnails against blur, grayscale, and mobile cropping before you publish.

Squint Test (Blur simulation)

Grayscale readability check

Mobile crop preview (9:16, 4:5, 1:1)

Original Thumbnail

Blur Test

Grayscale

Mobile

Readability Score

8.5/10

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