Works in Safari
Compress PDFs directly from your iPhone browser.
Compress PDF on iPhone - Fast & Free
Reduce PDF file size directly from your iPhone. Compress documents quickly for email, uploads, and sharing without installing any app.
Why iPhone Users Need PDF Compression
iPhone users frequently receive and share PDFs through email, messages, and cloud storage.
Large PDFs can be difficult to share via email or messaging apps, and they take up valuable phone storage.
iMZi PDF allows iPhone users to compress PDFs from Safari or any mobile browser without downloading additional software.
iPhone Compression in 3 Steps
Optimized for iOS workflow.
1. Open in Safari
Visit iMZi PDF from Safari or any iPhone browser.
2. Upload from iPhone
Select from Files app, Photos, or iCloud Drive.
3. Compress & Save
Download your smaller PDF to iPhone storage.
iPhone-Specific Benefits
Designed for iOS users.
Files App Integration
Upload from Files, iCloud Drive, and other iOS storage.
Save iPhone Storage
Reduce PDF size and free up space on your device.
Email-Ready PDFs
Create smaller files for email attachments.
PDF Compression on iPhone - Work Anywhere
Don't wait until you're at a computer. Compress PDFs on your iPhone and share documents from anywhere. Perfect for business, school, and personal use.
Email PDF attachments
Upload forms and applications
Share through messaging apps
Save iPhone storage
Compress scanned documents
Send work and school files
Frequently Asked Questions
Find answers to common questions about this tool.
Compress PDF on Your iPhone for Free
Make PDFs smaller and easier to share from your iOS device.