Reduce Size — Compress PDF Online Free

Reduce PDF file size online for free. Fast, secure, no installation. Use FlexyPdf's Compress PDF.

Need to reduce PDF file size? FlexyPdf's Compress PDF includes a powerful reduce size capability that makes this easy. This page focuses specifically on the reduce size functionality — how it works, when to use it, and tips for getting the best results. All processing happens in your browser for maximum speed and privacy. No software to install, no account to create.

How to Use Compress PDF

1

Upload Your PDF

Drag and drop your PDF file into the upload area or click to browse. Supports all standard PDF files.

2

Choose Compression Level

Select Low (best quality), Medium (balanced), or High (smallest file) compression level.

3

Compress & Download

Click Compress PDF and download the smaller file. See the exact file size reduction percentage.

Features

Three Compression Levels

Choose between Low, Medium, and High compression to balance quality and file size reduction.

Size Comparison

See original and compressed file sizes side by side with the exact reduction percentage.

Metadata Stripping

High compression removes metadata (title, author, keywords) for additional size reduction.

Secure Processing

All compression happens in your browser. Your PDFs are never uploaded to any server.

Benefits of Using Compress PDF

Completely Free

Use Compress PDF without any cost, limits, or hidden fees. No premium plans needed.

No Installation

Works directly in your browser. No software downloads or plugins required.

100% Private

Your files and data are processed locally. Nothing is uploaded to external servers.

Works Everywhere

Compatible with Chrome, Firefox, Safari, Edge on desktop, tablet, and mobile.

No Sign-Up

Start using the tool immediately. No account creation or email verification.

Always Available

Access this tool 24/7 from anywhere in the world, on any device.

Frequently Asked Questions

Open FlexyPdf's Compress PDF, load your data, and use the Reduce Size feature. Results are available instantly in your browser.
Yes. All features including Reduce Size are completely free with no limits or restrictions.
Yes. The tool is fully responsive and works on all devices including phones and tablets.
Start with the default settings, then adjust based on your needs. Check the tips section above for best practices.
Yes. All features work together. You can use Reduce Size alongside any other capability of the Compress PDF.