Compress PDF for Email
Shrink PDFs to fit email attachment caps — Gmail 25 MB, Outlook 20 MB, corporate email 10 MB. Reliable delivery, no bounces. Free, no signup.
Gmail: 25 MB total per email. Outlook: 20 MB. Corporate email: often 10 MB or lower.
Drop a PDF here or click to browse
PDFs up to 50 MB · Stays on your device
Your files stay on your device
Processed in your browser. Nothing uploaded to any server.
Email is still the primary way most documents get shared at work. Large PDF attachments create problems at every step: bounced emails, spam-filter flags, slow downloads on mobile, and recipients quietly never opening them.
Email attachment limits:
- Gmail: 25 MB total per email - Outlook / Microsoft 365: 20 MB total - Yahoo Mail: 25 MB total - Corporate email servers: often 10 MB or lower - Safe default: keep individual attachments under 10 MB
How to compress for email:
1. Drop your PDF above 2. Target is set to 10 MB — adjust lower for corporate email 3. Our engine dials in on the exact target 4. Download and attach
For most business documents, compression to 5–10 MB produces no visible quality difference while ensuring the email actually gets through.
Portal file-size limits verified as of July 2025. Always double-check the official portal for current limits.