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Retrieve a smaller thumbnail version of an image.

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Request

curl https://fucksornot.com/api/thumbnail/550e8400-e29b-41d4-a716-446655440000

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Response

Returns a smaller, optimized version of the image.
HeaderValueDescription
Content-Typeimage/webpThumbnails are always encoded as WebP
Cache-Controlpublic, max-age=31536000, immutable1 year, immutable cache for public uploads
CDN-Cache-Controlpublic, max-age=31536000, immutable1 year, immutable cache at the CDN edge for public uploads

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Query Parameters

ParameterTypeRequiredDefaultDescription
sizeintegerNo200Target thumbnail size in pixels. Clamped to the range 50-400. Values outside this range, or invalid/missing values, fall back to 200.
curl https://fucksornot.com/api/thumbnail/550e8400-e29b-41d4-a716-446655440000?size=100

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Thumbnail vs Full Image

AttributeThumbnailFull Image
SizeSmaller dimensionsOriginal dimensions
QualityOptimized for previewFull quality
FormatAlways WebPOriginal format
Use CaseListings, previewsDetail view

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Use Cases

  • Gallery thumbnails
  • List views
  • Card previews
  • Low-bandwidth scenarios

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HTML Usage

<!-- Thumbnail in listing -->
<img src="https://fucksornot.com/api/thumbnail/upload-uuid"
     alt="Preview"
     loading="lazy" />

<!-- Link to full image -->
<a href="https://fucksornot.com/api/image/upload-uuid">
  <img src="https://fucksornot.com/api/thumbnail/upload-uuid" alt="Preview" />
</a>

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Access Control

  • Public uploads: Thumbnails accessible to everyone
  • Private uploads: Thumbnails require authentication and ownership:
    • No auth cookie/token present: returns 401 Unauthorized
    • Authenticated but not the owner: returns 403 Forbidden
    • There is no admin override - only the owner can access a private upload’s thumbnail
This differs from /api/image/{id}, which returns 404 Not Found for all unauthorized access to private images (including missing auth and non-owner requests) to avoid leaking whether an upload exists.