How to Use Compress PDF
Reduce PDF file size while maintaining quality
Table of Contents
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Compress PDF
Reduce PDF file size while maintaining quality
📖What is this tool?
Have you ever tried to email a PDF only to see the error 'Attachment limit exceeded'? Or maybe you tried to upload a resume to a job portal and it was rejected because it was over 5MB. ConvertPilot's PDF Compressor solves this instantly. It intelligently removes unnecessary data from your file while keeping the text and images sharp, reducing file size by up to 80% directly in your browser.
This tool is part of ConvertPilot's collection of free utilities designed to make your workflow simple, fast, and secure. Whether you're a professional or casual user, you'll find it easy to use with no learning curve.
🚀How to use it
Shrink your PDF in 3 seconds:
Select Large PDF
Upload the file that is too big. We support files up to 100MB+.
Smart Compression
Our engine automatically balances quality and size. (e.g., turning a 10MB file into a 2MB file).
Download & Send
Save the smaller file. It is now ready for Gmail, WhatsApp, or any strict upload form.
✨Key benefits
There are many reasons to use Compress PDF for your needs:
Bypass Email Limits
Gmail and Outlook block files over 25MB. Compress them to send them in a single email.
Faster Uploads
Smaller files upload 10x faster, which is critical when you are on mobile data or slow Wi-Fi.
Safe for Contracts
Because compression happens Client-Side, your sensitive legal or financial documents never leave your computer.
💡Pro tips
Scanned Docs Compress Best
If your PDF is a scanned document (images), you will see the biggest size reduction (often -90%).
Check Quality
Always open the compressed file to ensure you can still read the fine print before sending.
🐘Why is my PDF so huge?
PDFs often contain high-resolution images, embedded fonts, or hidden metadata that you don't need. Our tool cleans this 'digital junk' to save space without deleting your content.
Common File Size Limits
| Platform | Max Size Limit | Solution |
|---|---|---|
| Gmail / Google | 25 MB | Compress if larger |
| Outlook / Hotmail | 20 MB | Compress if larger |
| 100 MB (Doc) / 16 MB (Media) | Compress for speed | |
| Job Portals (Workday) | 5 MB | Mandatory Compression |
| USCIS / Gov Visas | 6 MB per file | Mandatory Compression |
Your Privacy is Protected
All file processing happens directly in your browser. Your files are never uploaded to our servers, ensuring complete privacy and security.
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