How to Compress PDF for Email (Under 10MB)
PDF too large to email? Here's how to reduce PDF file size quickly while keeping your document readable and professional.
Email Attachment Limits
| Email Provider | Max Size | Recommended |
|---|---|---|
| Gmail | 25 MB | Under 10 MB |
| Outlook | 20 MB | Under 10 MB |
| Yahoo Mail | 25 MB | Under 10 MB |
| Corporate Email | 5-10 MB | Under 5 MB |
Note: Many corporate email servers have stricter limits (5-10MB). When in doubt, compress to under 5MB.
How to Compress PDF for Email
- 1
Open PDF Compressor
Go to our free PDF compressor.
- 2
Upload Your PDF
Drag and drop or click to select your PDF file.
- 3
Choose Compression Level
Select "Medium" for best balance of size and quality. Use "High" for maximum compression.
- 4
Download & Email
Get your compressed PDF and attach it to your email.
Why Are PDFs So Large?
Common reasons your PDF is too big:
- •High-resolution images — Photos embedded at full quality.
- •Scanned documents — Scans are images, not text, making files huge.
- •Embedded fonts — Every font used adds to file size.
- •Multiple pages — More pages = larger file.
Compression Quality Comparison
Low Compression
~20% smaller
Best quality, larger file
Medium (Recommended)
~50% smaller
Good quality, good size
High Compression
~80% smaller
Lower quality, smallest file
Still Too Large? Try These
FAQs
Will compression affect text quality?
No. Text remains sharp. Only images within the PDF are compressed.
Is my PDF secure?
Yes! Processing happens in your browser. Your PDF is never uploaded to any server.
Can I compress password-protected PDFs?
You'll need to unlock the PDF first, then compress.