Email attachments, upload limits, and storage quotas often require files under a specific size.

No. Everything runs locally in your browser.

What is the input file size limit?

Process files up to the browser memory limit.

What if a single page exceeds the target size?

That page becomes its own file — a single page cannot be split further.

No. Pages are extracted without re-encoding.

Split a large PDF into smaller files of a specified maximum size. Processed entirely in your browser for 100% data privacy an

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Complete your task perfectly in just three straightforward steps.

Drop your large PDF file.

Enter the maximum size in MB for each output file.

Download a ZIP of all split parts.

Everything you need to know about the Split PDF by Size.

Continue working with our suite of free data utilities.

Combine multiple PDF files into one. Drag to reorder pages before merging. Processed entirely in your browser for 100% data p

Split a PDF into individual pages or extract a custom page range. The safest way to process sensitive data with zero-upload,

Reduce PDF file size by up to 80% while preserving readability. No upload required. Processed entirely in your browser for 10