Use the free PDF Blank Page Inserter below: choose a PDF, adjust the settings, and download your edited PDF. Your PDF never leaves your browser — all processing happens on your device, and nothing is uploaded to any server.
Why Insert Blank Pages into a PDF?
Blank pages sound useless until you need one. A booklet printed double-sided needs a blank page so the next chapter starts on the right-hand side. A form needs a blank notes page at the end. A document being bound needs spacer pages. A teacher needs a blank page after each worksheet for working out. In all of these cases, adding a blank page by hand means opening an editor, creating a page and exporting again.
The PDF Blank Page Inserter on this page does it in your browser, free, with no sign-up. You choose how many blank pages to add and where they go: at the start, at the end, before a page or after a page. The blank pages match your PDF’s page size, so they look like part of the document rather than an afterthought.
How the Tool Works
The tool uses pdf-lib to read your PDF and find the size of its first page. It then inserts new empty pages of exactly that size at the position you chose. Inserting after page 3 puts the blank pages between pages 3 and 4. Inserting before page 1 puts them at the very start. Inserting at the end appends them after the last page. You can add up to 50 blank pages in one go.
Blank here means truly blank: no text, no header, no footer, no watermark. That is deliberate. A blank page for notes should be empty, and a spacer page for printing should not add anything that shows through or wastes ink. If you later want to write on the blank page, you can print the PDF and write by hand, or add content with a PDF editor.
How to Insert Blank Pages
Choose a PDF and decide on the position first, because it is the easiest thing to get wrong. “After page 3” and “before page 4” give the same result, so use whichever feels natural. Count pages the way your reader numbers them, starting from 1. Then set the count. One blank page is enough for a notes page. Two blank pages fix a double-sided booklet where a chapter would otherwise start on the left.
Press the button and download the new file. Open it and flip to the insertion point to confirm the blank pages are where you expected. Page counts shift after insertion, so if you need to insert at several places, work from the end of the document backwards, or do one insertion at a time and re-count.
Common Uses
Booklet printing is the classic use. When a booklet is printed double-sided and folded, each sheet holds four pages. If the page count is not a multiple of four, the last sheet has blank space, and chapters can start on the wrong side. Adding blank pages fixes the count and puts each chapter start where it belongs.
Note-taking is another. Students often print worksheets and need space to work. A blank page after each worksheet, or a set of blank pages at the end, turns a handout into a workbook. Similarly, meeting packs often end with a blank notes page so attendees have somewhere to write.
Forms and applications sometimes require a blank page as a separator between sections, so that scanning software can split the document correctly. Adding that separator here is far quicker than rebuilding the document.
Tips
Do not overdo it. Extra blank pages at the end of a document look like a mistake to a reader who does not know why they are there. If the blank pages are for printing, that is fine, but if the document will be read on screen, add only the pages you truly need. Also remember that blank pages count toward the page total, so a document’s table of contents or page references may need updating after insertion.
Check the first page size if your PDF has mixed page sizes. The tool matches the first page, which is right for most documents. If your document mixes sizes deliberately, check the inserted pages against the neighbouring ones after downloading.
Privacy
Your PDF never leaves your browser. All processing happens on your own device with pdf-lib. Nothing is uploaded, nothing is stored, and no account is needed.
Frequently Asked Questions
Are the blank pages really empty? Yes. No text, no headers, no watermarks.
Can I insert pages in the middle? Yes. Use the after or before option with the page number where the blank pages should go.
How many can I add at once? Up to 50. For more, run the tool again on the result.