Compress PDF Online

Easily reduce PDF document size for email attachments, government portals, and online submissions. All processing happens in your browser — your files never leave your device.

Drag & drop PDF here or select a file

Supports files up to 50 MB • Processed in browser memory

🔒 Files are processed locally on your device via PDF.js and pdf-lib. Nothing is uploaded to a server.

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How to use

  1. Drag & drop your PDF file or click to select from your device.
  2. Choose a compression preset: Recommended balance, Maximum compression, or High Quality.
  3. Click "Compress PDF Document" and download your optimized file.

FAQ

Are my files uploaded to any server?

No. All PDF page rendering and compression occur strictly inside your local browser runtime via PDF.js and pdf-lib. Zero bytes are uploaded to any server.

Can I compress multi-page documents?

Yes. The tool processes every page of multi-page PDFs with real-time page-by-page progress indicators.

What is the maximum file size supported?

The tool supports files up to 50 MB. For smooth performance on mobile devices, files under 25–30 MB are recommended.

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