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Simple Toolkit

Compress PDF Files

Reduce PDF file size while maintaining quality. All processing happens in your browser — no uploads, no tracking, completely private.

PDF Compression

Drop a PDF here or choose a file

Maximum file size: 50MB

Features

Smart Compression

Reduces file size by optimizing images, fonts, and metadata while preserving document quality.

Real-Time Progress

See compression progress page-by-page with a visual progress bar showing completion status.

Size Comparison

View original vs. compressed file sizes to see exactly how much space you've saved.

Private

All compression happens in your browser. Your PDFs never leave your device.

No Watermarks

Get clean PDFs with no watermarks, no ads, and no signup required.

Large File Support

Process PDFs up to 50MB in size with smooth performance.

Common Use Cases

Business

  • •Reduce file size for email attachments
  • •Optimize reports and presentations
  • •Compress invoices and contracts for storage
  • •Optimize documents for web sharing

Personal

  • •Compress scanned documents
  • •Reduce file size for online applications
  • •Optimize PDFs for cloud storage
  • •Compress photo albums and portfolios

Your Privacy is Protected

This tool runs entirely in your browser using the pdf-lib library. Your PDFs are never uploaded to any server, stored, or transmitted over the internet. All compression happens locally on your device.

Frequently Asked Questions

How much smaller will my PDF be?
Compression results vary by document. PDFs with many images typically see 30-70% size reduction. Text-heavy documents may have smaller savings. The tool shows you the exact file size before and after compression.
Will compression reduce quality?
The compression optimizes internal PDF structures without significantly affecting visible quality. Text remains sharp, and images are optimized while maintaining readability.
What's the maximum file size?
You can compress PDFs up to 50MB in size. This ensures optimal performance in the browser.
How long does compression take?
Most PDFs compress in seconds. Larger files may take longer. You'll see real-time progress as each page is processed.

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