Toolhast

Add Page Numbers to PDF Online Free

Free online tool to add page numbers to PDF documents. Customize numbering format, position, font, and margins with zero uploads. 100% private in-browser.

Choose a PDF file or drag & drop it here

Add page numbers, headers, and footers with custom positioning and cover-page skipping

100% In-Browser Privacy — Files never leave your device

How to add page numbers to PDF documents online

  1. Drop your PDF document into the pagination workspace or browse your local files to load your multi-page document.

  2. Select a numbering format like 'Page X of Y' or '1 / Y', or enter a custom pattern with dynamic tokens.

  3. Pick a position (Bottom Right, Bottom Center, or Top Right), customize the font size, and set cover-page skipping.

  4. Click 'Add Page Numbers & Save' to compile your paginated document and download your new PDF instantly with zero quality loss.

Examples

Input
Academic Master's Thesis: 45-page draft requiring formal 'Page X of Y' footer notation starting after title cover
Output
Page 1 (cover) left unnumbered; pages 2 through 45 stamped at bottom-center with 'Page 1 of 44' through 'Page 44 of 44'

Non-destructive vector text injection; all text remains 100% searchable and selectable with zero file bloat.

Input
Legal Evidence Appendix: 18-page exhibit file needing Bates-style indexing in the top-right header
Output
Custom pattern 'Exhibit A - Page {n}' stamped at top-right in Courier 10pt with 36pt margins across all pages

100% private in-browser WebAssembly processing; confidential litigation files never touch an external server.

Frequently asked questions

How do I add page numbers to my PDF using Toolhast?

Upload your multi-page PDF document into the workspace. Select your preferred numbering format such as 'Page 1 of 12' or '1 / 12', pick a header or footer position, customize the font size and margins, and click 'Add Page Numbers & Save' to instantly download your perfectly paginated document.

Can I skip numbering on the cover page of my document?

Yes. Simply check the 'Skip first page (Cover page)' checkbox. Toolhast automatically skips your executive title or cover sheet and begins numbering sequentially on page two. The denominator and total page count automatically adjust to reflect the actual number of paginated pages across your document.

Can I start numbering from a number other than one?

Yes. In the 'Start numbering at' input field, enter any starting integer such as 5, 10, or 100. This feature is essential when formatting multi-part dissertations, legal appendixes, or corporate annual reports where prior chapters or introductory executive summaries were numbered separately in different files.

Will adding page numbers reduce text sharpness or degrade document quality?

No. Toolhast uses native vector text injection powered by client-side WebAssembly and `pdf-lib`. Rather than re-compressing pages into blurry bitmap canvas images, our engine injects vector character operators directly into existing content streams. Your underlying text, typography, vector charts, and hyperlinks remain 100% crisp and uncompressed.

What positions are available for header and footer page numbers?

Toolhast provides six standard header and footer positions: Bottom Right, Bottom Center, Bottom Left, Top Right, Top Center, and Top Left. Bottom Right is standard for commercial and legal documents, while Bottom Center is standard for academic dissertations, monographs, and formal publishing guidelines.

Are my confidential academic, legal, or financial documents private here?

Yes, 100%. Toolhast executes all font embedding, coordinate mathematics, and PDF stream serialization strictly within your browser's local sandbox memory. Your sensitive research papers, legal briefs, tax records, and business agreements are never uploaded, stored, or transmitted to external servers or third-party cloud data centers.

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Private: this tool runs in your browser. Nothing you type is uploaded.

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