PDF Page Counter

Drop a PDF to instantly see its page count, file size, PDF version, and the dimensions of every page. No uploads — everything runs in your browser.

Why Count PDF Pages?

Knowing a PDF's page count is surprisingly useful in many workflows. Email systems and document portals often have file size or page count limits. Print shops charge per page, so checking page count before sending to print can prevent billing surprises. Legal and academic submissions frequently require documents within a specified page range.

This tool also shows you the dimensions of each page, which matters when a document mixes different page sizes — for example, a report that includes full-bleed diagrams on landscape A3 pages alongside standard A4 portrait text pages.

Page Size Reference

PDF page sizes are stored internally in points (1 point = 1/72 inch). This tool converts to millimetres for readability.

How to Check a PDF's Page Count

There are a few ways to find out how many pages are in a PDF, depending on what you already have installed:

• Adobe Acrobat Reader — open the file and look at the page counter in the bottom toolbar (or the page thumbnails panel).
• Windows File Explorer — right-click the file, choose Properties, then the Details tab. Page count only shows up here for some PDFs, since it depends on metadata the file may or may not include.
• macOS Preview / Finder — open the file in Preview and check the sidebar, or use Quick Look (spacebar) to see thumbnails and scroll through pages.
• Google Chrome — open the PDF in a Chrome tab and check the page navigator that appears when you hover over the built-in viewer.
• This tool — drop the file above and get the page count, file size, PDF version, and per-page dimensions all at once, without installing anything or opening the file in a separate viewer.

Frequently Asked Questions

Can I check multiple PDFs? Yes — after reviewing results, click "Analyse another file" to load a new file. Files are processed one at a time.

Does this tool support password-protected PDFs? PDFs protected with an owner password (restricting editing) can usually still be read. PDFs protected with a user password (required to open the file) cannot be processed without the password.

Why might the page count differ from what Adobe Reader shows? Some PDFs contain hidden or suppressed pages that PDF viewers count differently. This tool counts the total number of page objects in the PDF's page tree, which matches what most viewers display.

Is the file size shown the original file size? Yes — the size shown is the file size on disk as reported by your operating system, not a compressed or uncompressed size.

Is my file uploaded to any server? No. This tool runs entirely in your browser — your PDF is never sent to our servers or to any third party. All processing happens locally on your device using JavaScript. You can confirm this by opening your browser's network panel while using the tool and observing that no file data leaves your machine.

Can I check a PDF's page count without uploading it anywhere? Yes — that's exactly what this tool is for. Since everything runs locally in your browser, you get the page count instantly without the file ever leaving your device, which is useful for sensitive or confidential documents.