The Email Attachment Problem
You've just created the perfect PDF report, but when you try to email it, you see that dreaded message: "Attachment too large." Gmail limits attachments to 25MB, Outlook to 20MB, and many job application portals cap at just 2MB or even 500KB!
This guide will show you how to compress PDF files to any size you need.
Why Are PDFs So Large?
PDFs become large due to:
How to Compress PDF Online (Free)
Using Convertify's PDF Compressor, you can reduce file size by up to 90%:
Step 1: Open the Tool
Go to convertify.work/compress-pdf
Step 2: Upload Your PDF
Click upload or drag your PDF into the upload area.
Step 3: Choose Compression Level
Select your preferred compression:
Step 4: Download
Your compressed PDF is ready! Check the file size - you'll be amazed.
Compression Results Examples
| Original Size | After Compression | Reduction |
|--------------|-------------------|-----------|
| 15 MB | 1.5 MB | 90% |
| 5 MB | 800 KB | 84% |
| 2 MB | 350 KB | 83% |
| 500 KB | 95 KB | 81% |
*Results vary based on content type (images compress more than text)*
Target Size Guidelines
| Purpose | Target Size | Compression Level |
|---------|-------------|-------------------|
| Gmail attachment | Under 25 MB | Low/Medium |
| Job application | Under 2 MB | Medium/High |
| WhatsApp sharing | Under 16 MB | Medium |
| Government forms | Under 500 KB | High |
Tips for Maximum Compression
Quality vs Size Trade-off
Frequently Asked Questions
Q: Will compression affect text quality?
No. Text remains sharp and readable at all compression levels.
Q: Can I compress PDFs to a specific size like 100KB?
Yes! Our tool compresses aggressively. Most documents can reach under 100KB with high compression.
Q: How many PDFs can I compress?
Unlimited! Compress as many files as you need, completely free.
Compress Your PDF Now
Stop struggling with file size limits. Compress your PDF now and send it anywhere!