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Cropping PDF pages using JavaScript

Only available with the Full API

To crop a page in a PDF document.

const doc = await PDFNet.PDFDoc.createFromURL(filename);

// Access a PDF page
const page = await doc.getPage(1);

// Crop the page
page.setCropBox(new PDFNet.Rect(0, 0, 500, 600));

About cropping the page

The crop box defines the region to which the contents of the page are to be clipped (cropped) when displayed or printed. Unlike other types of boxes, the crop box has no defined meaning in terms of physical page geometry or intended use; it merely imposes clipping on the page contents. The default value is the page's media box. A new crop box can be imposed on a page with Page.SetCropBox().

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