Is this tool really free?

Yes, all our PDF tools are completely free to use with no hidden costs, subscriptions, or per-file charges. We support the service through non-intrusive advertising, not by charging for basic document operations. You can use any tool as many times as you like, with no daily limits, file size restrictions, or account requirements whatsoever.

Absolutely. All PDF processing happens directly in your browser using local JavaScript and WebAssembly libraries. Your files are never uploaded to any server, never stored in the cloud, and never transmitted over the internet. The files remain entirely on your device from start to finish, giving you complete control over your sensitive and confidential documents.

What are page labels?

Page labels are the numbers or identifiers displayed in the PDF viewer's page navigation field and printed in the page count indicator. They can differ from the physical page position — for example, a document might have Roman numeral labels (i, ii, iii) for the first 10 pages (front matter) and Arabic numeral labels (1, 2, 3) starting from page 11 (main content).

What label formats are supported?

You can use Arabic numerals (1, 2, 3...), uppercase Roman numerals (I, II, III...), lowercase Roman numerals (i, ii, iii...), uppercase letters (A, B, C...), and lowercase letters (a, b, c...). Each section of the document can use a different format, and each section can start from any value and optionally include a text prefix.

What is the difference between page labels and page numbers added to the page?

Page labels are metadata stored in the PDF that tells viewers what to display in the navigation field — they are not visible on the page itself. The Add Page Numbers tool adds visible page number text that appears as printed content on each page. You can use both: add visible page numbers to the page content and separately configure page labels to match in the viewer navigation.

Do page labels affect printing?

Page labels appear in PDF viewer interfaces and can be used when specifying page ranges for printing (some printers allow you to print 'pages i-viii' for front matter). However, they do not automatically appear as printed text on the pages themselves — that requires using the Add Page Numbers tool. Page labels are navigation and identification metadata, not printed content.

Why would I need to customize page labels?

Page labels are important for professional documents where logical page numbering differs from physical page sequence. Books, academic papers, and legal documents often have front matter with its own numbering scheme, and the main content numbering starts independently. Correctly configured page labels ensure that when a citation says 'see page 15', it refers unambiguously to the correct location in the document.

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