Fast & Secure PDF Compressor Online
Our PDF Compressor is a powerful, free tool designed to help you reduce the size of your documents without losing quality. Whether you need to email a large report or upload a file to a portal with size limits, our tool makes it easy.
How it works:
- We use client-side technology, meaning your files are never uploaded to our servers.
- The optimizer intelligently compresses high-resolution images while keeping text crystal clear.
- Choose your compression level to find the perfect balance between file size and visual clarity.
Frequently Asked Questions
Is this PDF compressor free to use?
Yes, ZapTool is 100% free. We don't require registration, and we never add watermarks to your compressed PDF files.
Will my PDF quality decrease?
Our tool is optimized to maintain the best possible quality. It mainly targets images. Text remains vector-based and sharp.
Are my files safe?
Absolutely. Unlike other tools, we process your file inside your browser. No data is sent to any server, providing maximum privacy.
What is the best compression level?
We recommend the "Medium" setting. It offers significant file size reduction (often 50-70%) while keeping images looking great.
Does it work on smartphones?
Yes! ZapTool is designed to be mobile-friendly. You can compress PDFs directly from your iPhone, iPad, or Android device.
ZapTool Doc Engine V3.1 - Optimized for SEO