> ## Documentation Index
> Fetch the complete documentation index at: https://docs.openinary.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Image Transformations

> Resize, crop, rotate, and optimize images with URL-based parameters

All image transformation parameters, accepted values, and examples are documented in the API reference.

<Card title="Image Parameters — API Reference" icon="code" href="/api-reference/media/transform#image-parameters">
  Full reference: `w`, `h`, `c`, `ar`, `a`, `g`, `b`, `r`, `q`, `f` — with crop modes, gravity options, round corners, quality ranges, format table, and examples.
</Card>

<CardGroup cols={2}>
  <Card title="Automatic Format Selection" icon="wand-magic-sparkles" href="/media-transformations/intelligent-compression">
    How Openinary picks AVIF, WebP, or JPEG automatically.
  </Card>

  <Card title="Upload & Cache Warming" icon="upload" href="/media-transformations/upload-and-prewarm">
    Pre-generate variants at upload time for instant first response.
  </Card>
</CardGroup>