With GroupDocs.Merger, you can easily rotate pages in PDF documents, adding powerful document management capabilities to Node.js via Java applications.
const mergerLib = require('@groupdocs/groupdocs.merger')
// Create an instance of Merger and load the source file
const merger = new mergerLib.Merger("document.pdf")
// Specify the page number to rotate
const rotateMode = mergerLib.RotateMode.Rotate180
const rotateOptions = new mergerLib.RotateOptions(rotateMode, 1, 1)
// Execute the page rotation operation
merger.rotatePages(rotateOptions)
// Save the output file to the desired location
merger.save("result.pdf")
GroupDocs.Merger for Node.js via Java includes a wide range of features, enabling efficient processing of over 50 commonly used business file formats.
Combine PDFs, Word documents, presentations, spreadsheets, Visio diagrams, images, and archives. Use various options for precise output.
Rearrange pages by moving, swapping, or deleting them to structure your documents better.
Rotate pages to any angle or switch between portrait and landscape orientations.
Select a single page or a page range and save it as a new file in a chosen location.
const mergerLib = require('@groupdocs/groupdocs.merger')
// Load the source file into the constructor
const merger = new mergerLib.Merger("document.pdf");
// Get the total number of pages in the document
const info = merger.getDocumentInfo()
const lastPage = info.getPageCount()
// Configure rotation settings for even pages (180 degrees)
const rangeMode = mergerLib.RangeMode.EvenPages
const rotateMode = mergerLib.RotateMode.Rotate180
const rotateOptions = new mergerLib.RotateOptions(rotateMode, 1, lastPage, rangeMode)
// Apply the page rotation operation
merger.rotatePages(rotateOptions)
// Save the output file
merger.save("result.pdf")
Download GroupDocs.Merger for free or get a trial license for full access!
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Explore the powerful features provided by our document processing library.
GroupDocs.Merger supports over 50 file formats, allowing you to modify documents easily using a variety of operations.
