Split PDF by File Size
Break a large PDF into parts under a maximum file size.
Runs in your browser — files never leave your device
or drop a file here
How to split a PDF by file size
Break a big PDF into parts that each stay under a size limit, ideal for email attachments and upload forms.
Add a large PDF.
Enter the maximum size per file in MB.
Click Split PDF and download the parts.
Split by Size FAQ
Only if a single page is bigger than the limit on its own. Pages are never cut in half.
No. It divides the document between files without changing the page content. To make the file itself smaller, use Compress PDF.
No. The tool runs entirely in your browser, so your files are processed on your own device and never leave it.
Yes. Every PDFCraftly tool is free, with no sign-up, no watermark and no email required.
Guides
- How to Split a PDF: 5 Ways, and When to Use EachSplit a PDF by page ranges, into single pages, by bookmarks, by file size or wherever a phrase appears. Find the right method for your document.
- PDF Too Large to Email? 5 Practical FixesEmail attachment limits are usually 20–25 MB. Here are five practical ways to send a large PDF: compress it, remove pages, split it by size and more.
- Preparing Visa Documents in Nepal: Scans, PDFs and SizesApplying for a visa from Nepal? Scan, combine and label your passport, bank, tax, relationship and job documents so online visa portals accept them.
More organize tools
- Merge PDFCombine several PDFs into one document, in the order you choose.
- Split PDFSplit by page ranges, every N pages, or into single pages.
- Split by BookmarksCreate one PDF per chapter using the document outline.
- Split by TextStart a new file on every page that contains a word or phrase.
- Split in HalfCut two-up scanned pages down the middle into separate pages.
- Extract PagesPick the pages you want and save them as a new PDF.
- Remove PagesDelete unwanted pages from a PDF.
- Organize PDFReorder, rotate, delete and insert blank pages visually.