Free Online PDF Compressor
Reduce PDF file size significantly without compromising quality. Choose your compression level and optimize your documents for email, web, or storage.
PDF Compressor
Reduce PDF file size while maintaining quality
Click to upload PDF
Or drag and drop your PDF file here
No File Compressed
Upload a PDF file and click compress to see results here
Smart Compression Algorithm
Adjustable Quality Levels
Preserve Document Quality
Batch Compression Support
100% Secure Client-Side Processing
No File Size Limits
Works on Mobile & Desktop
No Watermarks Added
Email Attachments
Shrink PDFs to fit email limits
User Reviews
Join thousands of satisfied users who trust our tools for their daily tasks
Alex Johnson
VerifiedAmazing collection of tools
30tools has become my go-to for all online utilities. Every tool I've used works perfectly and the fact that it's all free is incredible. No ads, no watermarks!
Maria Garcia
VerifiedReliable and fast
Been using these tools for months now. They're consistently reliable and much faster than similar tools I've tried. The privacy-first approach is a huge plus.
James Wilson
VerifiedProfessional quality tools
As a freelancer, I need tools that work reliably without breaking the bank. 30tools delivers professional-grade utilities completely free. Highly recommended!
How to Compress PDF Files
Upload PDF
Select the PDF file you want to compress.
Select Quality
Choose your desired compression level (Low, Medium, High).
Download
Click "Compress PDF" and download your optimized file.
Everything you need to know about pdf compression
This image compressor is amazing! Reduced my website images by 70% without any noticeable quality loss. The batch processing feature is a game-changer.
Perfect tool for my blog! The interface is super clean and intuitive. Love that it works directly in the browser without uploading files to servers.
Great compression quality! Used it for optimizing images for my e-commerce store. Would love to see more format options in the future.
Fast and reliable! Processed 50+ images in under a minute. The quality settings give good control over the compression ratio.