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Adding page numbers to a PDF is essential for creating professional, navigable documents. Whether you're preparing a report, a manuscript, a legal filing, or a presentation handout, page numbers help readers navigate and reference specific sections. iLoveDoc's Add Page Numbers tool lets you insert page numbers at any position on the page — top or bottom, left, center, or right — with full control over font, size, color, and formatting. You can start numbering from any page and customize the starting number, which is useful for documents that are part of a larger collection or where the first few pages (like a cover page and table of contents) shouldn't be numbered. The page numbers are rendered as permanent text overlays on each page, ensuring they appear consistently in every PDF viewer and when printing. All processing occurs locally in your browser.