How to Compress PDF Under 5MB for Email (Free, No Signup)

# How to Compress PDF Under 5MB for Email (Free, No Signup)

Most email providers limit attachments to 25MB, but many portals — government forms, university applications, job portals — cap uploads at 5MB or even 2MB. Here is exactly how to get your PDF under the limit.

Why PDFs Are Too Large

• Scanned documents (each page is an image)
• High-resolution graphics and charts
• Embedded fonts
• Multiple combined PDFs

How Much Can You Compress?

| Original Size | After High Compression | After Balanced |
|---------------|----------------------|----------------|
| 10 MB | 1.5–3 MB | 3–5 MB |
| 20 MB | 3–5 MB | 6–10 MB |
| 50 MB | 5–10 MB | 12–20 MB |

Tip: If your PDF is mostly text, compression works very well. If it is mostly scanned images, you may need to combine compression with page removal.

Step-by-Step: Compress to Under 5MB

1. Go to PDF Compressor
2. Upload your PDF (drag and drop or click)
3. Choose High Compression for the smallest file
4. Check the result — if still over 5MB, try these extra steps:

If Compression Is Not Enough

Sometimes the PDF is too image-heavy. In that case:

1. Remove blank or irrelevant pages with PDF Splitter
2. Convert to a lower-resolution PDF — some tools let you set DPI
3. Split into multiple files if the portal allows multiple uploads

Government Portal Requirements

Many Indian government portals have strict limits:

| Portal | Typical Limit |
|--------|--------------|
| Passport application | 50 KB–200 KB per photo |
| Income tax filing | 5 MB per attachment |
| EPFO portal | 500 KB–1 MB |
| University admission | 1–5 MB |
| Job portals (Naukri, LinkedIn) | 2–5 MB |

For very small limits (under 1 MB), you will likely need to compress AND remove pages.

Tips for Staying Under the Limit

• Compress before combining PDFs
• Use the minimum acceptable quality (150 DPI is fine for most documents)
• Remove cover pages, blank pages, and duplicate content
• Name files clearly so recipients know what they are getting

Try It Now

Use the free PDF Compressor to reduce your PDF size in seconds. No signup, no watermark, entirely browser-based.