Reorder PDF Pages
Drag thumbnails to reorder PDF pages, or use arrows for keyboard/mobile. 100% in your browser.
Reorder PDF Pages
How to reorder PDF pages
Add your PDF
Drag your file onto the dropzone or click to choose. Each page becomes a draggable thumbnail in the grid below.
Drag to reorder
Grab any thumbnail and drag it to its new position. The cards reflow as you drag. Pages that have moved from their original position are highlighted with an orange border so you can see your edits at a glance.
Or use ↑↓ buttons
For touch devices, keyboard users, or just a more precise nudge, use the ↑ and ↓ buttons under each thumbnail to move that page one slot at a time. Reverse all flips the entire order; Reset to original undoes all your changes.
Click Apply and download
pdf-lib builds a new PDF with pages in your chosen order and saves it as {original}-reordered.pdf. Each page's content, hyperlinks, and form fields are preserved — only the order changes.
Reordering PDF pages — a copy operation, not an edit
Page reordering in a PDF is technically a re-build, not an edit. The PDF file format stores each page as an object in a global object graph; the document's page tree determines the visible order. Reordering means rebuilding the page tree with a new sequence, copying the page objects (and any resources they reference — fonts, images, annotations) into a fresh document, and writing that out. pdf-lib's copyPages() handles this efficiently — and runs entirely in your browser tab, so the document never leaves your device.
Why a visual reorder beats a "page numbers" reorder
Reordering by typing a sequence — "5,1,3,2,4" — works, but it asks you to remember what is on which page. With a thumbnail grid, the question becomes "drag this page to here", which is the task you are actually doing.
The visual question is "which page goes where". The right tool lets you answer it by pointing. Everything else is friction.
What moves with a page
A page carries its own content, images, annotations and form widgets, so all of those move with it. What refers to a page by its number — "see page 7" typed into the text — does not update, because nothing in the file knows it is a page reference; check such references after a big reorder.
What this tool does — and what it doesn't
This tool reorders the pages of your own document in place — it takes them out of the page tree and puts the same page objects back in the new order — so everything that belongs to the document stays: fonts, links, annotations, the fillable form and its values, the title and author, and the bookmarks, which still jump to their pages wherever those pages end up. What it does not do: add or remove pages (use the Delete Pages tool), change what is on a page, or reorder the bookmark list itself — it keeps its original order.
The page tree, and why bookmarks follow their pages
A PDF's page order is stored in the document's "Page Tree" — a hierarchical structure that the PDF reader walks in sequence to display pages.
Reordering rebuilds the page tree and leaves every page object — content, images, form fields — exactly as it was.
Links and bookmarks point at a page object, not a page number, so after reordering they still reach the same page at its new position.
Cross-page references (e.g., "see page 7") become incorrect if you reorder — that's a content problem, not a tool problem. The tool moves the page; whether the cross-reference is still correct is up to you.
Bookmarks (the TOC sidebar) are kept and follow their pages; the list keeps its original order. Until 29 Sep 2026 this tool copied pages into a new file and lost them.
Form fields stay fillable and keep their values: a form filled in on page 3 still works when that page becomes page 1.
You can drag a thumbnail across many positions at once — drop it where you want it, the cards in between just slide to fill the gap.
The "Reverse all" button is faster than dragging when you have a many-page PDF that needs to be entirely flipped (common for legal bundles).
The file size barely changes — reordering adds and removes no content, only the page tree's order.
Combined with our Delete Pages and Splitter tools, this gives you full per-page control of any PDF document. None of these operations require uploading the file.
FAQ
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No. The pdf.js library renders thumbnails in your browser; pdf-lib applies the reorder in your browser. Your PDF is read into memory, modified in memory, saved back to your downloads folder. Open DevTools → Network and watch — zero outbound traffic.
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HTML5 drag-and-drop has limited touch support across mobile browsers. Use the ↑ and ↓ buttons under each thumbnail to nudge pages one slot at a time. For larger moves, the "Reverse all" button can save many taps when an entire reverse is what you need.
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Hyperlinks within a single page are preserved exactly. Cross-page internal links are updated where the PDF spec supports automatic re-targeting; visual references in the text ("see page 7") become incorrect because the tool can't read text intent — those need a content edit, not a reorder.
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Yes, both. The tool reorders your document in place, so form fields stay fillable with their values, annotations stay with their pages, and bookmarks are kept — each still jumps to its page at the page's new position. The bookmark list itself keeps its original order.
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The orange border + bg highlight pages you've moved from their original position. The small "was p.N" label tells you where the page came from. Pages still in their original position have a neutral border. This helps you see your edits at a glance, especially in long documents.
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No — not even one that opens without a password. "Restriction-only" protection (an owner password that blocks printing or editing) still encrypts the file's text and images, and pdf-lib, the library this tool uses, cannot decrypt them, so anything it saved would be broken. Since 30 September 2026 the tool says so as soon as you add such a file, instead of reordering a copy that will not open. Save an unprotected copy first, in software that has the password.
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Essentially unchanged. Reordering doesn't add or remove content — only the page-tree pointers change. Expect the output to be within a few hundred bytes of the input (the difference comes from pdf-lib's metadata + cross-reference table re-generation).
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The Splitter's Extract mode lets you specify pages via text input ("5,1,3") — useful when you know exactly which pages you want and in what order. This Reorder tool is the visual version — drag the thumbnails. Both produce the same kind of output PDF; the difference is which UI matches your task better.
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No hard limit. Rendering the thumbnails is the slow part and grows with page count, especially on a phone. The reorder itself (clicking Apply) is sub-second regardless of page count.
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Yes on iOS Safari and Chrome on Android. Use the ↑↓ buttons instead of drag-and-drop (touch DnD support is patchy across mobile browsers). The thumbnail grid reflows to one or two columns on phones.
Method & sources
How it computes
Reorders in place: the page objects are removed from the document's page tree and added back in the new order, so the form (still fillable), bookmarks, title and author all remain, and bookmarks still reach their pages at their new positions.
What this tool implements
- Until this review pages were copied into a new document, which dropped bookmarks and metadata and left form fields showing values but unfillable, while the page said form fields kept their values. Tested 2026-09-29: after reordering, a bookmark to "Chapter 3" still opens Chapter 3 at its new position, and the form field is still fillable.
- ISO 32000-1: a document's page order is its page tree; links and outline items point at page objects, which is why they survive.
- Text that cites a page by number ("see page 7") is not a reference the file knows about and does not update.
Sources
- ISO. ISO 32000-1:2008, Portable document format — Part 1: PDF 1.7 (7.7.3 Page tree; 12.3.3 Document outline). https://www.iso.org/standard/51502.html
- Hopding A. PDF-LIB. https://pdf-lib.js.org/
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