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Fusion Office Split PDF by Size

Set the largest size allowed, such as 5 MB, and get as many parts as needed, each within that limit and in the original page order.

Works in your browserNo file upload needed
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PDF Stays private

How to split a PDF by file size

  1. 1Choose a PDF.
  2. 2Enter the largest size each part may be, in MB.
  3. 3Press Split by size; the parts download as a ZIP.

Features

  • Any limit from 0.2 MB upwards.
  • Parts keep the original page order and quality.

When to use Split by size

  • Send a large document over email in several messages.
  • Upload to court, tax or government portals with a per-file limit.

Good to know

  • A single page larger than the limit can't be split further; compress the PDF first if that happens.
  • Your files are processed in your browser and never uploaded to a server.
  • Free to use with no sign-up, no limit on tasks and no watermark on your files.

Frequently asked questions

What is Fusion Office Split PDF by Size?

Fusion Office Split PDF by Size is a free online tool from Fusion Office. Break a large PDF into parts that are each under a size you choose, like 5 MB or 10 MB, for email attachments and upload portals. It runs in your browser, so your files are never uploaded. No sign-up, no watermark and no limit on how often you use it.