No quality loss, page order preserved.
Email presets: Gmail 25MB, Outlook 20MB, Outlook.com 25MB, plus custom size.
Example: 38 MB PDF -> 2 parts under 20 MB (keeps page order).
How it works
Set limit
Choose Gmail, Outlook, Outlook.com, or a custom MB value.
Split
We generate parts that fit the limit.
Download
Get a zip of split PDFs.
Split FAQ
Will page order stay the same?
Yes. Parts preserve the original page order.
What if a single page is too large?
We’ll report it so you can compress the PDF or choose a higher limit.
Email-friendly splitting
Built for large reports
Send multi-part PDFs without re-exporting.
Works well with scan-heavy documents.
Guides and next steps
Read the complete split by size guide or the split PDF for email guide for step-by-step help.
Need a single file instead? Try the email-ready compression workflow.
Related tools
All PDF tools
Browse every PDFThin tool in one place.
Email-ready compression
Shrink PDFs to Gmail/Outlook limits with quality control.
Split by size
Split large PDFs into size-safe parts.
Organize PDF
Merge, rotate, delete, reorder, and split pages.
Popular guides
All PDF guides
Browse every step-by-step PDF guide.
Compress PDF for email (complete)
Step-by-step workflow for Gmail 25MB and Outlook 20MB limits.
Reduce scanned PDF size
Keep text readable while shrinking scanned documents.
Split PDF by size
Create parts that stay under a target MB limit.
Rotate PDF pages online
Fix page orientation for sideways scans or photos.