Split PDF by Size
Split a large PDF into smaller files, each under your specified size limit. Perfect for email attachments.
Files stay on your device
100% Browser-based
No account needed
Drop your PDF here to split by size
Supported: PDF (up to 100.0 MB)
Frequently Asked Questions
Why split by size?
Many email services limit attachments to 10-25 MB. Splitting by size ensures each part is small enough to send.
Common Use Cases
Email large documents
Split a 50MB PDF into 25MB chunks to send via email when the recipient can't receive large attachments.
Upload portal limits
Split PDFs to meet file size restrictions on government portals, job application sites, or client upload forms.