Is it safe to split pdf by file size limit here?

Absolutely. We prioritize your privacy. All file transfers are encrypted, and documents are automatically deleted from our servers shortly after you finish.

Do I need to install any software?

No installation is required. Everything runs in the cloud through your web browser, saving you time and computer space.

Can I use this on my mobile phone?

Yes, our website is fully responsive and works perfectly on smartphones and tablets.

Organize PDF

Split by File Size

Divide a large PDF into smaller chunks under a target file size.

Free forever, no signup
Runs in your browser — private by design
Works on every device and browser

Drop your PDF here

Splits into chunks under a target file size — processed in your browser

Why use Pdfly's Split by File Size?

Built with the same craft as a native app — in a browser tab.

Fast and Easy to Use

Quickly split pdf by file size limit with our intuitive interface. No complex settings required.

Secure Processing

Your files are processed over a secure HTTPS connection and deleted automatically after 2 hours.

Works on All Devices

Access our tools from Windows, Mac, Linux, iOS, or Android using any modern web browser.

100% Free

Perform your PDF tasks without any hidden fees, watermarks, or registration requirements.

How to split by file size in 3 steps

Simple, fast, and totally free.

1Step 1
Upload your file
Click the upload button or drag and drop your document into the area.
2Step 2
Process the document
Let our cloud servers handle the heavy lifting and process your file instantly.
3Step 3
Download the result
Save your processed document back to your device.

Who uses Split by File Size?

Practical applications for this tool.

Personal Use

Manage your personal documents, receipts, and forms easily without paying for expensive software.

Professional Use

Streamline your daily office workflows by securely processing business documents in the cloud.