Operation thumbnail

The thumbnail operation allows you to create small versions of images or document pages, called thumbnails.
This can be useful if you want to display a large number of images or document pages in a small space.

Available Options

Option Name Type Possible Values Description
thumbnail_target string png, jpg creates a thumbnail in the Portable Network Graphics (PNG) format or in the Joint Photographic Experts Group (JPEG) format.
width integer Range: 10-500 Specifies the width of the thumbnail in pixels. You can use either option alone or together with height to specify the thumbnail's aspect ratio.
height integer Range: 10-500 Specifies the height of the thumbnail in pixels. You can use either option alone or together with width to specify the thumbnail's aspect ratio.
dpi integer Range: 10-300 Specifies the horizontal and vertical density of the thumbnail image. This is important because it determines the size of the image when it is printed or displayed on a high-resolution screen.
pages string Pattern: ^(((\d+|first)-?(\d*|last))|(first)|(last))(, ?(((\d+|first)-?(\d*|last))|(first)|(last)))*$ Specifies the page numbers of a document that you want to extract and convert to image thumbnails.
This is useful if you only want to create thumbnails of certain pages of a document.
You can specify a single page number or a range of pages separated by a hyphen. For example, 1 or 1-3 would create thumbnails of the first and second pages of a document. Aliases like "first" and "last" are also accepted.
Note that this option is only applicable to document inputs.
allow_multiple_outputs boolean true, false If the comparison produces more than one output file, by default all of them are compressed in just one file. Set this option to true if you want a download link for each file.

Example

{
    "conversion": [{
        "category": "operation",
        "target": "thumbnail",
        "options": {
            "thumbnail_target": "png",
            "width": 200,
            "dpi": 50,
            "pages": "5-end",
            "allow_multiple_outputs": true
        }
    }],
}
                                

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