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

# Thumbnails

# Document Thumbnail Transformations

Generate image previews from your documents using our thumbnail transformation system. Thumbnails can be combined with any image transformation parameters for complete control over the output.

## Basic Usage

Generate thumbnails using the thumb prefix with optional parameters.

```
https://cdn.apexxcloud.com/f/abc123/thumb-w_300,h_200/documents/document.pdf
```

## Thumbnail Parameters

### Basic Thumbnail

* **Format**: `thumb-{parameters}`
* **Example**: `thumb-w_300,h_200`
* Generates default thumbnail from first page

<Note>
  Thumbnails support all image transformation parameters. Refer to the [Image
  Transformations](/transformations/image/introduction) documentation for the
  complete list of available parameters.
</Note>