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Thumbnail Preview Tool

Preview your images at common thumbnail sizes for different platforms

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Upload image to preview thumbnails

Supports JPG, PNG, WebP

Free Thumbnail Preview Tool

Preview how your image looks at various standard thumbnail sizes used across different platforms. This helps you ensure your image content is clear, readable, and visually appealing at all sizes before publishing.

Common Thumbnail Sizes

  • YouTube Thumbnail: 1280×720px (displayed at ~320×180)
  • Twitter/X Card: 1200×630px (displayed at ~600×315)
  • Facebook Post: 1200×630px
  • Instagram: 1080×1080px (square)
  • LinkedIn Post: 1200×627px
  • Google Favicon: 16×16px or 32×32px