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ORGANIZE
Add pages from a second PDF at any position in the first. Use all of them or only the ones you need.
QUICK ANSWER
To insert pages into a PDF, add the PDF you want to add to, then the PDF the pages come from. Choose where they go and which pages to use, then download one combined file. It runs in your browser, so neither file is uploaded.
Updated 8 November 2026 · Written by the StackPDF teamUpdated 8 November 2026 · StackPDF team
Two PDFs: the one to add to, then the one with the pages. They stay in this browser.Two PDFs: the one to add to, then the one with the pages. They stay in this browser.
PDF files · Runs in your browser
QUICK ANSWER
To insert pages into a PDF, add the PDF you want to add to, then the PDF the pages come from. Choose where they go and which pages to use, then download one combined file. It runs in your browser, so neither file is uploaded.
Updated 8 November 2026 · Written by the StackPDF teamUpdated 8 November 2026 · StackPDF team
HOW TO
First the PDF to add pages to, then the PDF the pages come from.
Pick source pages, or leave them all, and set the page they go before.
You get one PDF. Both original files stay as they were.
GOOD TO KNOW
Both combine PDFs. The difference is where the pages go.
| TOOL | WHAT IT DOES | USE IT WHEN |
|---|---|---|
| Insert pages | Puts pages from one PDF inside another, before a page you choose | You need pages in the middle of a file |
| Merge PDF | Joins whole files one after another | You want several files end to end |
| Add blank page | Inserts empty pages | You need room for notes or a signature |
With no source pages selected, every page of the source PDF is inserted.
PRIVACY
Yes. Insert pages into a PDF runs in your browser, so the file never leaves your device.
StackPDF opens the PDF in your browser tab and does the work there.
Close the tab and it’s gone. Free results download to your device. Premium can also keep them in My files.
pdf-lib, PDF.js and qpdf do the work, inside your browser.
FAQ
Add the PDF you want to add to, then the second PDF. Set Insert before page and download. Leave the source pages empty to insert all of them.
Yes. The free plan includes 1 PDF export a day, with no account. Premium removes the daily limit for $5.99 a month or $39.99 a year.
No. Both files are combined in your browser, so neither one leaves your device.
Yes. Type the source pages you want, such as 2-4. Leave it empty to insert every page.
Yes. Set Insert before page to a number past the last page, such as 13 for a 12-page PDF.
Yes. Choose both PDFs in Safari or Chrome on your phone, then download the combined file.