PDF Compression

Compress PDF files to under 100KB while maintaining quality. Free online PDF compression tool.

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6,640+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how PDF Compression processes input data instantly inside your browser.

Sample Input Image dimensions: 4000 x 3000 pixels (File size: 5MB PNG)

Computed Result Output WebP Image: 1920 x 1440 pixels (File size: 350KB, 88% reduction)

Execution Mode Client-Side In-Browser JS

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About This Tool

Our PDF Compressor tool allows you to reduce the file size of your PDF documents to under 100KB while preserving document quality. Upload your PDF file, adjust compression settings, and download the optimized version instantly. Perfect for email attachments, web uploads, and storage optimization.

Save your calculation history with a free account

How to Use

Upload your PDF file using the drag-and-drop area or file browser
Adjust compression settings if needed (default targets 100KB)
Click 'Compress PDF' to process your file
Download your compressed PDF file with size statistics

Frequently Asked Questions

Find Quick Answers

How does the PDF compression work?

The tool uses advanced compression algorithms to reduce PDF file size by optimizing images, removing metadata, and compressing text while maintaining visual quality.

Will my compressed PDF look different?

The compression is designed to maintain visual quality while reducing file size. Some minor quality reduction may occur with heavily compressed files, but the document remains readable.

What is the maximum file size I can upload?

You can upload PDF files up to 50MB. For larger files, consider splitting them into smaller documents before compression.

Is my PDF file secure?

Yes, all files are processed securely and automatically deleted from our servers after compression. We do not store or share your documents.

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