PDF Compressor
Reduce PDF file size without losing quality
Upload PDF
No Size Limit - As much as your browser holds
Privacy Notice
100% Browser-Only Processing - No file size limits, limited only by your device memory. Your PDF NEVER leaves your device. Everything processes locally - large files welcome!
How to Use PDF Compressor
Compress your PDF files in 4 simple steps
Upload PDF File
Select your PDF document from your device or drag and drop. Supports PDF files up to 50MB for compression.
Choose Compression Level
Select low, medium, or high compression based on your needs. Preview estimated file size reduction before processing.
Compress Document
Click compress and watch real-time progress. See percentage reduction and final file size before downloading.
Download Compressed PDF
Save your optimized PDF file. Significantly smaller file size while maintaining readability and professional quality.
Why Use Our PDF Compressor
The best tool for reducing PDF file sizes
Powerful Compression
Reduce PDF file sizes by up to 90% while maintaining quality. Smart algorithms optimize images, fonts, and embedded content.
Quality Preserved
Choose compression levels that maintain readability. Text stays sharp, images remain clear at multiple quality settings.
Completely Free
Compress unlimited PDFs without any cost. No file limits, no watermarks, no subscription required.
Privacy Protected
All compression happens in your browser. Your documents never upload to servers, ensuring complete confidentiality.
Flexible Options
Choose from low, medium, or high compression levels. Select the perfect balance between file size and document quality for your needs.
Fast Processing
Compress PDFs in seconds without server uploads. Client-side processing means instant results.
Use Cases
Discover the many ways to use PDF compression
Email Attachments
Reduce PDF size to fit email attachment limits. Send large documents and presentations without file size restrictions.
Website Downloads
Optimize PDFs for faster website downloads. Improve user experience with smaller file sizes that load quickly.
Cloud Storage
Save storage space in Google Drive, Dropbox, and OneDrive. Store more documents in the same amount of space.
Mobile Sharing
Compress PDFs for easier mobile sharing. Faster uploads and downloads on cellular networks.
Document Archiving
Reduce storage requirements for long-term document archives. Maintain accessibility while minimizing storage costs.
Print-Ready Files
Compress PDFs while maintaining print quality. Reduce file transfer time to printers and print shops.
Frequently Asked Questions
Yes! Our PDF compressor is completely free with no limitations. Compress unlimited PDFs without any cost, subscriptions, or watermarks.
You can choose compression levels from low (minimal quality loss) to high (maximum compression). Most users find even high compression maintains excellent readability.
Typical compression ranges from 40-90% depending on the original PDF content. Documents with many images compress more than text-only PDFs.
You can compress PDF files up to 50MB in size. This accommodates most documents, presentations, and reports.
No, all compression happens directly in your browser. Your documents never leave your device, ensuring complete privacy and security.
You need to remove password protection before compression. Most PDF readers allow you to save an unprotected copy.
No, compression preserves text layers and searchability. OCR text and bookmarks remain fully functional in compressed PDFs.
Use low compression for documents that need maximum quality, medium for general use (recommended), and high for maximum file size reduction. Preview helps you decide.
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PDF Compressor is just the beginning. Discover our complete suite of free tools designed to help you create, optimize, and manage your digital content effortlessly.
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