Compress PDF File Size — No Quality Loss
Reduce the size of your PDF files locally. Optimize documents for email and web without uploading to any server.
Click or drag PDF here
Select a file to compress. Your document remains private and never leaves your device.
Your Privacy is Our Priority
Unlike other online tools, PDFaiGen processes your files directly in your browser. No file uploads, no server data breaches.
Zero Uploads
Files never leave your device. All processing happens locally in your browser memory.
End-to-End Private
Since no data is sent to any server, your sensitive documents remain completely private.
Works Offline
Once loaded, our tools work without an internet connection. No data usage required.
How It Works
Simple, fast, and secure. Get your file processed in 3 easy steps.
Upload PDF
Drag and drop your PDF file into the box above. We support files of any size.
Choose Level
Select your desired compression level. Higher levels reduce size more but may affect quality.
Download
Get your optimized PDF instantly. The file size will be significantly smaller.
Key Features
Why Choose PDFaiGen?
We are building the future of document processing — focusing on privacy, speed, and design.
100% Privacy Guaranteed
No cloud uploads. Your files are processed entirely on your device using WebAssembly technology.
Lightning Fast
Zero upload time. Zero download time. Instant processing powered by your own hardware.
Easy to Use
Simple drag-and-drop interfaces designed for efficiency. No accounts or sign-ups required.
Common Use Cases
See how others are using this tool to save time and improve workflows.
Email Attachments
Shrink PDFs to bypass email attachment size limits (e.g., 25MB limits).
Web Uploads
Optimize documents for uploading to government or job application portals.
Save Storage
Free up space on your device or cloud storage by compressing archived files.
Faster Loading
Optimized PDFs load faster on websites and mobile devices for better UX.
School Assignments
Submit homework and projects without hitting 'file too large' errors.
Scanned Documents
Scanned PDFs are often huge. Compress them to a manageable size easily.
Why We are Better
See how PDFaiGen compares to traditional online PDF tools.
Compress Your PDFs Now
Join thousands of users who trust PDFaiGen for fast, private, and secure document optimization.
No credit card required • No installation • 100% Private