Compress PDF to 20MB — Free Online Tool
Outlook.com caps attachments at 20 MB. iCloud Mail also limits to 20 MB. PDFBro compresses your PDF under this limit with minimal quality loss using light optimization. Get your file delivered.
Free Online Tool
Compress PDF
Reduce PDF file size by up to 80% — choose Low, Medium, or High compression
When You Need a PDF Under 20 MB
Outlook.com attachments, iCloud Mail, Apple Mail, large presentation sharing, high-quality PDF delivery.
How to Compress PDF to 20 MB — 3 Simple Steps
Upload your PDF
Click to upload or drag and drop your PDF into our compression tool. Works with files up to 100 MB.
Choose compression level
Select compression level: Low (best quality), Medium (balanced), or High (smallest size). For 20 MB, start with Medium compression.
Download compressed PDF
Click Compress and your PDF downloads immediately. Most files reach 20 MB or smaller. If not, try High compression.
Why Use PDFBro to Compress PDF to 20 MB
Frequently Asked Questions
Can I compress a 100 MB PDF to 20 MB?
Yes. 'Medium' compression typically achieves 80% reduction on image-heavy PDFs. A 100 MB file can reach 20 MB with moderate quality impact — text remains sharp.
Is compressing to 20 MB free on PDFBro?
Yes. All PDFBro tools are completely free. No signup, no watermarks, no daily limits. Compress to any size unlimited times.