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🔒 100% On-Device • Zero Upload

Compress PDF

Reduce PDF file size while maintaining high visual quality.

Drop your PDF files here, or browse

Max 150 MB per file • Processed 100% in your browser

Options

Processed 100% locally in your browser memory and OPFS with Web Workers.

How to use Compress PDF

  1. Select or drop your PDF files into the box above.
  2. Configure your desired options in the settings panel.
  3. Click Process Compress PDF to execute directly on your device.
  4. Download your processed document immediately.

Why PDFZento?

PDFZento executes PDF operations directly inside your browser using WebAssembly and Web Workers. Your private documents never touch external servers or third-party cloud storage.

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