Merge & Split PDF

Drop the PDFs to jointwo or more PDFs · they join in the order shown

Your files never leave your device. Everything happens inside your browser, even offline after the page loads.

What is the Merge & Split PDF?

Merge & Split PDF by Assignment Lab is a free online tool. Join several PDFs into one, or split a PDF: pick pages, type ranges like 1-3, 5, or save every page as its own file. Free and private.

At a glance

Price: Free. No sign-up, no watermark.
Works on: Phone, tablet and computer, in any modern browser.
Privacy: Runs in your browser. Your text and files are not uploaded.
Made by: Assignment Lab, free tools for students in India.

How to use the merge & split pdf

To merge: drop two or more PDFs, put them in order with the arrows, and press "Merge into one PDF".
To split: switch to "Split a PDF", drop one file, then tap the pages you want or type them like 1-3, 5.
Save the picked pages as one PDF, or save every page as its own PDF in a ZIP.

Frequently asked questions

Is there a limit on file size or number of files?

No fixed limit. Very large PDFs depend on how much memory your device has, because everything happens on your device.

Do merged PDFs lose quality?

No. Pages are copied exactly as they are, so text stays sharp and selectable.

Is it free?

Yes. The Merge & Split PDF on Assignment Lab is completely free with no sign-up, and it works right in your browser. Nothing you type or add is uploaded.