PDF Compressor Online - Reduce File Size Without Losing Quality

Compress PDF files instantly with our high-speed compressor! Reduce size for email, web, or storage while maintaining document quality. Perfect for businesses, students, and professionals—fast, free, and secure!

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Why Choose Our PDF Compressor?

• Smart Compression: Reduces file size while preserving text clarity and image quality
• Batch Processing: Compress multiple PDFs simultaneously with one click
• Three Compression Levels: Choose between low, medium, or high compression
• Browser-Based Security: Files never leave your computer - processed locally
• No Limits: No file size restrictions or watermarks added

Key Features of Our PDF Compression Tool:

• Optimized Compression: Intelligently reduces file size based on content type (text vs images)
• OCR-Friendly: Preserves text recognition capabilities in scanned documents
• Format Preservation: Maintains original PDF formatting, fonts, and layout
• Cross-Platform: Works on all devices - Windows, Mac, Linux, Android, iOS

How to Compress PDF Files in 3 Simple Steps

1

Upload Your PDF(s)

Click "Select PDF file(s)" to upload documents from your computer, or drag and drop files directly into the upload area. Multiple files can be selected for batch compression.

2

Automatic Compression

Our tool analyzes and compresses your PDF(s) using optimal algorithms. Watch real-time progress as we reduce file size while preserving quality.

Pro Tip: For scanned documents, use medium compression to maintain OCR accuracy.

3

Download Compressed Files

Download individual compressed PDFs or get all files in a convenient ZIP archive. Compare original and compressed file sizes to see your savings!

All processing happens in your browser - maximum privacy and security

PDF Compression Levels Explained

Compression Level	Size Reduction	Quality Impact	Best For
Low Compression	20-40%	Minimal (nearly identical)	Important documents, legal files
Medium Compression	40-70%	Slight image quality loss	General use, business documents
High Compression	70-90%	Noticeable image compression	Web uploads, email attachments

Compression Tips by Document Type:

• Text Documents: Use high compression - text remains crisp at any level
• Image-heavy PDFs: Medium compression balances quality and size
• Scanned PDFs/OCR: Low/medium compression preserves text recognition
• Presentations: Medium compression maintains slide quality

Did You Know? Compressing PDFs before emailing can prevent bounce-backs from size limits!

Frequently Asked Questions

📌 How much can I reduce my PDF file size?

Compression ratios vary by content: text documents (70-90%), image-heavy files (30-60%), scanned PDFs (20-50%). Our tool shows before/after sizes.

📌 Will compressed PDFs work with all readers?

Yes! Compressed files remain standard PDFs compatible with Adobe Reader, Preview, and all PDF viewers.

📌 Can I undo compression after saving?

⚡ No - compression is permanent. We recommend keeping originals until you verify the compressed version.

📌 Does this work with password-protected PDFs?

🔒 Yes! Our tool can process encrypted PDFs (you'll need to enter the password during upload).