Split a PDF by page ranges such as 1-3, 5, 8-, into chunks of N pages, or into one file per page. Preview which pages go where, then download a ZIP.
Works in your browser. What you paste or upload is processed on your device.
Pick or drop the PDF you want to split. Page previews appear as you scroll.
Choose Custom ranges, Every N pages or Every page.
Type ranges such as 1-3, 5, 8-, or the number of pages per file. The summary shows how many PDFs you will get.
Each page shows a File badge. Faded pages are not in any range and are left out.
Press Split, then download the parts one by one or all together as a ZIP.
Split PDF cuts one PDF into several smaller PDFs. There are three ways to split. Custom ranges makes one file per range you type, so 1-3, 5, 8- gives three PDFs: pages 1 to 3, page 5 alone, and page 8 to the end. Every N pages makes equal chunks, for example every 2 pages for double-sided forms, with the last file holding whatever is left. Every page makes one PDF per page.
Before anything is written, the page previews show a File 1, File 2… badge on each page, so you can see exactly where every page will end up, and pages you left out of your ranges are shown faded. The tool starts with the PDF split in half, so the main button works without typing anything. The parts are written in your browser with pdf-lib and come as separate downloads or one ZIP.
Honest limits: each part is a full-quality copy of its pages, but bookmarks from the original are not carried into the parts, and links that jumped to a page now in another part stop working. Ranges can overlap if you want the same page in two files. Locked PDFs have to be unlocked first, and files up to 200 MB are accepted.
Portals and email often cap uploads at a few megabytes, a scanned bundle needs to be filed as separate documents, or you only want to send chapter 3 of a report. Splitting by exact page ranges, with a preview of the result, saves opening a desktop editor, and the document never leaves your device.
Something else? Ask the team
Separate files with commas. A single number is one page (5), a dash makes a range (1-3), and a number followed by a dash runs to the last page (8-). You can also write 8-end. Each item becomes its own PDF, so 1-3, 5, 8- makes three files.
Choose Every page. A 20-page PDF becomes 20 one-page PDFs named after the original with the page number added, and you can download them all as one ZIP.
No. The pages are copied into the new files as they are, so text stays selectable and images keep their resolution. Each part is usually smaller than the original simply because it has fewer pages.
Yes. On iPhone or Android, open this page in Safari or Chrome, choose the PDF from Files or Google Drive, and type the ranges. The ZIP or the separate PDFs are saved to your Downloads or Files app.
No. The PDF is opened and split inside your browser. Nothing is sent to AI Rank Lab or to a third party; the server only counts the run for the daily free use.
They are left out of every file. The preview shows them faded so you can spot a gap before you split. To keep everything, make sure your ranges cover all pages, or use Every N pages.
Not directly: encrypted PDFs can't be rewritten in the browser. Remove the password with the Unlock PDF tool first, then split the unlocked copy.
You get 1 free run of this tool per day. After that, each run costs 5 credits from a free AI Rank Lab account (1 credit is 1 US cent). A run is one press of the main button; opening the file, page previews and changing options before that are free. If a run fails, it is handed back automatically. Signed-out visitors are counted per internet connection, so if your free run is already used, signing in gives you your own.
Each one opens on its own page and works straight away, with no sign-up.
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