Split by file size
Split a large PDF into parts that stay under a maximum file size, e.g. for email.
Drop your file here
How to use Split by file size
- 1
Choose a file (.pdf) or drop it into the box.
- 2
Adjust the options to suit your needs.
- 3
Click “Split by file size” and download the result: several pdfs (zip).
Your documents are processed entirely inside your browser. They are never uploaded to PDF100 or any third party, so Split by file size is suitable for confidential files. Read our privacy policy.
Split by file size questions
Is Split by file size free?
Yes. Split by file size on PDF100 is free with no account, no watermark and no daily limit. The site is supported by advertising.
Are my files uploaded when I use Split by file size?
No. Split by file size runs entirely inside your browser tab. The file is read and processed on your device and the result is saved straight to your downloads, so no copy reaches our servers.
Which files does Split by file size accept?
Split by file size accepts .pdf. The result is: several pdfs (zip).
Is there a file size limit?
There is no fixed limit set by PDF100. Because processing happens on your device, the practical limit is your browser memory. Very large files work best on a desktop computer.
Does Split by file size work on my phone?
Yes. Split by file size works in current versions of Chrome, Safari, Edge and Firefox on desktop and mobile. Large documents are faster on a computer.
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