Edit — SecPDF
Compress a PDF for email
Bounced by the attachment limit? Strong compression is preselected here — most oversized scans shrink far below the 20 MB mark.
100% in your browserNo file uploadsFree, no signup
Drop your file here
or
Choose fileUp to 100 MB per file — processed locally, never uploaded
This is a focused version of Compress PDF
How it works
Drop the too-big PDF
Strong compression at 96 DPI is already selected — the setting that helps most when a scan bounces.
Compress and compare
You see the size before and after. Still above your provider's limit? Splitting the document in half is plan B.
Attach and send
Download and attach — the compressed copy is a separate file, your original stays untouched.
Frequently asked questions
Gmail and Yahoo accept up to 25 MB per message, Outlook.com 20 MB — but corporate mail servers often cap at 10 MB. If your PDF is near those marks, compress before sending.