Compress PDF - Free Browser-Based PDF Compression Tool
Your files never leave your browser

Compress PDF Files in Your Browser

Reduce PDF file size directly in your browser with no uploads to servers. Your data remains 100% private and secure.

Complete Privacy

Files stay on your device

Fast Processing

Compress in seconds

No Installation

Works in any browser

Unlimited Use

100% free, no limits

Compress Your PDF

Drop your PDF here

or click to browse files

sample-document.pdf
2.4 MB
60%
Good balance between file size and quality
Compressing PDF...

Compression Results

2.4 MB
Original Size
1.2 MB
Compressed Size
50%
Space Saved

Important Note

This is a demonstration application. In a production environment, you would integrate a client-side PDF compression library like PDF.js or pdf-lib to perform actual compression. This demo simulates the compression process to show the user interface and workflow.

Free Browser-Based PDF Compression Tool

Why Compress PDF Files?

PDF files can often be large and difficult to share via email or messaging apps. Compressing PDFs reduces their file size while maintaining acceptable quality for viewing and printing. This makes sharing faster and saves storage space on your devices and cloud accounts.

How Our PDF Compressor Works

Our tool processes your PDF files entirely in your browser using HTML5 and JavaScript. When you select a PDF file, the application reads it directly from your device, applies compression algorithms to reduce file size, and provides you with a downloadable compressed version. Since all processing happens locally, your files never leave your computer, ensuring complete privacy and security.

Benefits of Client-Side PDF Compression

Privacy & Security: Your sensitive documents never leave your device, eliminating risks associated with cloud storage or server processing.

Speed: Without internet upload/download delays, compression happens almost instantly for most files.

No Limits: Unlike many online tools, our browser-based compressor has no file size limits or daily usage restrictions.

Accessibility: Works on any device with a modern browser - no software installation required.

Common Use Cases for PDF Compression

Email Attachments: Many email services limit attachments to 25MB. Compress large PDFs to meet these limits.

Website Uploads: Reduce PDF file sizes for faster loading on websites and lower bandwidth usage.

Document Archiving: Save storage space when archiving large collections of PDF documents.

Mobile Sharing: Compress PDFs for easier sharing via mobile messaging apps with size restrictions.