Reorder PDF Pages

How to reorder PDF pages

1. Drop your PDF into the tool, every page renders as a draggable thumbnail.
2. Drag a thumbnail to a new position on desktop, or use the up and down arrows on touch screens.
3. Watch the position numbers update on each card so you can see the new order at a glance.
4. Click Download to save the rearranged PDF.

Common uses

• Putting scanned pages back in the right order after a multi-page scan came out shuffled.
• Rearranging sections of a report before sharing, then add fresh page numbers to match the new order.
• Moving an appendix to the front or back. Delete unused pages in the same workflow if any are no longer needed.
• Reorganizing slides exported as a PDF. Merge in additional PDFs first if you need to combine sources.

Technical specification

• Algorithm or formula: User-defined permutation of the page index array. pdf-lib copies the pages into a fresh PDFDocument in the new order, pointing each internal link at its page's new position.
• Browser API or library: pdf-lib for PDF write; pdfjs-dist for thumbnail rendering. Drag-and-drop reordering via the HTML5 Drag and Drop API.
• Input limits: PDF up to 100 MB. No page-count cap beyond browser memory.
• Output: New PDF (application/pdf) with pages in the user's chosen order, downloaded via Blob URL. Internal links follow their pages to the new positions, and hidden layers stay hidden. The file has empty document properties and a new random file ID; comment authors and dates, page-level XMP, and application data are removed.
• Known limitations: Bookmarks (the document outline) are not carried over. Form fields keep their values, but the new file has no document-level form, so viewers may no longer let you fill them in. Comment text, form values, attachments, and hidden-layer content stay in the file.

Frequently asked questions

How do I reorder the pages of a PDF?

Drag any page thumbnail to a new position on desktop, or tap the up and down arrow buttons on touch devices. The Reset order button restores the original sequence if you change your mind, and the new PDF only writes out when you click Download. All reordering runs in your browser using pdf-lib.

Is my PDF uploaded to a server?

All reordering happens in your browser using pdf-lib. Our servers are not involved at any point.

Will reordering change the content of each page?

Page content stays as it was; only the order changes. Text, images, and formatting are copied unchanged, and links between pages follow them to their new positions. Bookmarks are not carried over, and the new file starts with empty document properties (title, author, dates).

Can I restore the original order if I change my mind?

Yes. The Reset order button restores the original page order so you can start over without re-uploading the file.