PDF Compressor
Reduce PDF file size while maintaining quality. Compress PDFs online for free.
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Free online tool by QuickToolsHQ
Free PDF Compressor - Reduce File Size Online
Compress PDF files online for free while maintaining document quality. Our PDF compressor reduces file sizes by up to 70% using advanced compression algorithms. All compression happens locally in your browser - your documents never leave your device. Perfect for email sharing, web uploads, and storage management.
Browser-based processing
Instant results
Maintains readability
Why Choose Our PDF Compressor?
Reduces file size while preserving quality
Process files locally in your browser
Your documents stay on your device
Works with all PDF versions
No registration or payment required
PDF Compression Features
Compression Methods
- • Image optimization
- • Font compression
- • Metadata removal
- • Stream optimization
Quality Options
- • High quality compression
- • Medium quality balanced
- • Maximum compression
- • Custom settings
How to Use the PDF Compressor
Select one or multiple PDF files to compress
Select between maximum, balanced, or high quality compression
Click compress and watch the progress bar
Save your optimized PDF with reduced file size
Compression Performance by Quality Level
Maximum Compression
Balanced
High Quality
When to Use PDF Compression
Email Attachments: Reduce PDF file sizes to meet email attachment limits while maintaining document quality. Perfect for sharing reports, contracts, and presentations via email.
Web Upload: Compress PDFs for faster website uploads and better user experience. Smaller files mean faster page loads and improved site performance.
Storage Management: Free up disk space by compressing your document archives and collections. Maintain your documents while using less storage space.
Document Sharing: Optimize PDFs for cloud sharing platforms that have file size restrictions. Ensure your documents upload quickly while meeting platform requirements.
Frequently Asked Questions
Will compression affect PDF quality?
Our smart compression algorithms minimize quality loss while maximizing file size reduction. You can choose different compression levels based on your needs.
What types of PDFs can be compressed?
We support all standard PDF versions and formats. The tool works best with PDFs containing images, which typically see the greatest size reduction.
Can I compress password-protected PDFs?
Currently, our tool works with unprotected PDFs. Password-protected or encrypted PDFs need to be unlocked before compression.
Are my PDFs stored on your servers?
No, all compression happens locally in your browser. Your PDF files never leave your device, ensuring complete privacy and security.