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FormatWiz
Free PDF Compressor

Compress PDF Online

Reduce PDF file size while maintaining the best possible quality.Optimize your documents for web and email.

Drag & drop or click

Max file size: 10MB

How to Compress PDF - Reduce PDF Size Online

Compress PDF files online for free. Reduce file size without losing quality. Secure, client-side processing.

1

Upload PDF

Select your PDF file to compress.

2

Compress

Choose compression level and process.

3

Download

Get your optimized PDF file.

Why Use FormatWiz?

Premium features, completely free.

Efficient & Fast

Optimize large files in seconds.

100% Private

Files are processed in your browser.

Smart Optimization

Balances size and quality perfectly.

100% Secure

Files never leave your device. All processing happens in your browser.

Lightning Fast

No upload waiting times. Instant conversion tailored for your device.

Why Compress PDF Files?

Large PDF files are difficult to share via email and slow to load on websites. FormatWiz's PDF compressor reduces file size by optimizing images and fonts.

How Compression Works

We remove unused metadata and downsample images to an optimal resolution for screens.

Secure & Private

Your documents never leave your device. All compression happens locally.

Frequently Asked Questions

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