Add page numbers to every page of your PDF document. Choose position, format, font size, and starting number. All processing happens in your browser.
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Adding page numbers...
Number every page of your PDF document in three simple steps — no software installation required.
Drag and drop your PDF file into the upload area, or click "Choose PDF File" to browse your device. The tool accepts any standard PDF document regardless of page count, file size, or complexity. Once loaded, a preview of the first page appears so you can see exactly how the page numbers will look before committing to the final output.
Customize the page numbers to match your needs. Choose from six positions (bottom-left, bottom-center, bottom-right, top-left, top-center, top-right). Select a number format — simple digit, "Page N", "N of Total", or "Page N of Total". Adjust the font size, set a custom starting number, and control the margin from the page edge. The live preview updates instantly as you change settings so you can fine-tune the appearance before downloading.
Once you are satisfied with the preview, click "Download Numbered PDF" to save the document with page numbers to your device. The numbers are embedded directly into the PDF using the Helvetica font, ensuring they display correctly in any PDF viewer on any operating system. Your original file is never modified or altered in any way.
A faster, safer, and more flexible way to add page numbers to your documents — built for everyone.
There is no premium tier, no usage cap, and no hidden paywall. ConvertKr's page numbering tool is free for everyone, whether you need to number a single document or process dozens of files in a row. We believe essential file tools should be accessible without a subscription or per-file charge.
Unlike most online PDF tools, your files never leave your device. All processing happens locally in your browser using JavaScript and the pdf-lib library. There is no server upload, no temporary cloud storage, and no risk of your confidential documents being accessed by anyone else.
Six position options, four number formats, six font size choices, custom start numbers, and adjustable margins give you complete control over how page numbers appear. Whether you need simple bottom-center numbering for a basic report or "Page X of Y" in the top-right for a legal brief, the tool handles it.
Because everything runs in your browser using optimized JavaScript libraries, page numbering starts immediately with no upload wait time. A typical 50-page document is processed in just a few seconds. There is no queue, no rate limiting, and no waiting for server resources to become available.
Every numbered PDF you download is completely clean. ConvertKr adds only the page numbers you requested — nothing else. No watermarks, no branding, no extra text. The rest of your document remains completely untouched, with all original content, images, fonts, and formatting preserved.
ConvertKr runs entirely in your web browser, so it works on smartphones and tablets just as well as on desktop computers. There is nothing to install — if your device has a modern browser with JavaScript enabled, you can add page numbers on the go. The interface is fully responsive and optimized for touch screens.
Everything you need to know about adding professional page numbers to your PDF documents.
Why Add Page Numbers to a PDF? Page numbers are one of the most fundamental elements of professional document formatting. They help readers navigate through multi-page documents, make it easy to reference specific pages in discussions or citations, and are often required by institutions, publishers, and courts. Many PDFs — especially those created from scanned documents, merged files, or image-based sources — lack page numbers entirely. Adding them after the fact can transform a disorganized collection of pages into a polished, navigable document. Whether you are preparing a thesis, a legal brief, a business proposal, or a collection of meeting minutes, page numbers give your document a professional finish.
Choosing the Right Position and Format The conventional position for page numbers varies by document type and region. Academic papers and books typically use bottom-center numbering. Legal documents and business reports often prefer bottom-right or top-right positioning. If your document already has headers or footers, placing numbers at the opposite end of the page avoids visual clutter. The format choice depends on context as well — a simple "1" works for informal documents, while "Page 1 of 12" is preferred for legal filings, contracts, and formal reports where the reader needs to know both the current page and the total page count at a glance.
Custom Start Numbers and Margins The start number feature is particularly useful when your PDF is part of a larger document set. For example, if the first volume of a report ends on page 50, you can set the start number to 51 for the second volume so the numbering continues seamlessly. The margin setting controls the distance between the page number and the edge of the page, measured in PDF points. The default value of 30 works well for most standard documents, but you may want to increase it for documents with wide margins or decrease it for compact layouts. The live preview updates instantly whenever you change these settings, so you can experiment until the positioning looks exactly right.
Technical Details and Font Page numbers are rendered using the Helvetica font, which is one of the 14 standard PDF fonts guaranteed to be available in every PDF viewer. This means your page numbers will display correctly and consistently on any device, in any viewer, without requiring additional font embedding. The numbers are drawn directly onto each page using pdf-lib's drawText method, making them a permanent part of the document rather than an annotation or overlay that might not print. The existing content on each page is completely untouched — the page numbers are simply added on top, and because they are positioned in the margins, they do not overlap with your document's content.
Everything you need to know about adding page numbers to PDFs with ConvertKr.
Six positions are available: Bottom Left, Bottom Center, Bottom Right, Top Left, Top Center, and Top Right. The margin setting controls how far from the edge the numbers appear. Bottom Center is the most common convention for general documents, while Top Right is popular for legal and business filings.
Four formats are supported: "1" (simple number), "Page 1" (with prefix), "1 of N" (with total), and "Page 1 of N" (full format with prefix and total). The "N" is automatically calculated from the total number of pages in your document. Choose the format that matches your document's style requirements.
Yes. The Start Number input lets you begin numbering from any positive integer. This is useful when your PDF is part of a larger document set and you need the page numbers to continue from where the previous section ended. For example, set the start number to 51 if the previous section ended on page 50.
Page numbers are placed in the margins of each page based on the margin setting you choose. The default margin of 30 points from the edge works well for most standard documents. If your document has unusually narrow margins or content that extends close to the edges, you can increase the margin value or choose a different position to avoid overlap. The live preview helps you verify placement before downloading.
Absolutely. All PDF processing happens entirely in your browser using JavaScript and the pdf-lib library. Your files are never uploaded to any server, and we cannot see, access, or store your documents. Once you close the browser tab, all data is gone. This makes ConvertKr safe for confidential documents, legal files, financial records, and personal information.
Page numbers are rendered using Helvetica, one of the 14 standard PDF fonts that are guaranteed to be available in every compliant PDF viewer. This ensures your page numbers display correctly on any device — Windows, Mac, Linux, iOS, or Android — without requiring any additional fonts to be embedded in the document.
Yes. ConvertKr runs entirely in your web browser, so it works on smartphones and tablets just as well as on desktop computers. There is nothing to install — if your device has a modern browser with JavaScript enabled, you can add page numbers on the go. The interface is fully responsive and optimized for touch screens on iOS and Android.
ConvertKr does not impose any artificial file size or page count limits. Since all processing runs locally in your browser, the practical ceiling depends on your device's available RAM and processing power. Most modern computers and phones handle PDFs with several hundred pages and file sizes up to 100 MB without any issues. Very large files may take slightly longer to process.
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