Add Blank Pages to PDF
Insert blank A4 or Letter pages at the start, end or after any page. Runs entirely in your browser — no upload required.
Why Add Blank Pages to a PDF?
Adding blank pages to a PDF is a surprisingly common document task. The most frequent use case is double-sided (duplex) printing: many documents need an even number of pages so that each chapter or section starts on a right-hand (recto) page. A blank page at the end of an odd-length section ensures the next section begins correctly. Publishers, academic institutions and corporate report teams all routinely insert blank pages for this reason.
Other common reasons to add blank pages include creating space for handwritten annotations, inserting a cover page placeholder before the actual content is ready, adding divider pages between sections in a compiled report, and meeting submission requirements that specify a page must be left intentionally blank with a "This page is intentionally left blank" notice.
Where Can I Insert Blank Pages?
The PDFForge Add Blank Pages tool offers three insertion positions:
- At the beginning — One or more blank pages are prepended before the first page. Useful for adding a cover sheet or table of contents placeholder.
- At the end — Blank pages are appended after the last page. Perfect for making a document page count even for duplex printing.
- After a specific page — Enter any page number and a blank page is inserted immediately after it. This is the most flexible option — you can call the tool multiple times to insert blanks at multiple specific positions.
Page Size Options
Blank pages can be added in either A4 (210 × 297 mm) or Letter (8.5 × 11 inches) size. Choose the size that matches the rest of your document to ensure consistent printing. If your PDF already contains pages in a non-standard size, the blank pages will be added in the size you select — they will not automatically match the existing page dimensions. For best results, check the page size of your source PDF first (visible in most PDF viewers under File > Properties or Document Properties).
Blank Pages for Duplex Printing
When printing double-sided documents, most printers treat pages in pairs: page 1 and 2 are on the same sheet, pages 3 and 4 on the next, and so on. If your document has an odd number of pages, the last page will be printed alone on one side of a sheet, and the next document will start on the back of that sheet rather than a fresh sheet. Inserting a blank page before the last page (or at the end) ensures each major section starts cleanly. This is standard practice in book publishing, academic thesis formatting and formal corporate reporting.
Frequently Asked Questions
How many blank pages can I add at once?
The full PDFForge app lets you specify a count — so you can insert 1, 2, 3 or more blank pages in a single operation. For multiple insertion points (e.g., after page 5 and after page 10), simply run the tool twice.
Will the blank pages match the existing pages exactly?
The blank pages are created in A4 or Letter size as you select. They will not automatically inherit the custom dimensions of existing pages if those are non-standard. For most documents, A4 or Letter will be the correct choice.
Can I add a blank page between two existing pages?
Yes. Use the "After a specific page" option and enter the number of the page after which you want the blank page inserted. For example, entering 3 inserts a blank after page 3, so the blank becomes the new page 4.
Does adding blank pages change the existing content?
No. The existing pages are copied exactly as-is into the output document. Only new blank pages are inserted at the specified position. All content, formatting, annotations and bookmarks on the original pages are preserved.
Can I add text to the blank pages after inserting them?
The blank pages themselves are truly blank. To add text (such as "This page is intentionally left blank"), use the Edit Text tool after inserting the blank pages.