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Compress PDF Without Adobe — Free Alternatives

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By Daniel Kim

January 27, 2025

Best free ways to compress PDFs without paid Adobe software.

Adobe Acrobat Pro costs $20/month. Here are free alternatives for compression.

Option 1: Browser-Based (Recommended)

  • No installation — works in any browser
  • 100% free — no limits or watermarks
  • Private — files stay in your browser
  • All devices — desktop, mobile, tablet

Option 2: Preview on Mac

  1. Open PDF in Preview
  2. File → Export
  3. Set Quartz Filter to "Reduce File Size"
  4. Save

Note: Preview's compression can be aggressive.

Option 3: LibreOffice

Free office suite that can export optimized PDFs, but more complex for simple compression.

Why Browser-Based Is Best

For occasional compression, a browser tool is fastest. No downloads, no accounts, instant results.

Open Source Options

For developers and power users, Ghostscript and PDFtk offer command-line compression with full control over settings.

Keywords

#compress pdf without adobe#free pdf compressor no adobe#adobe alternative pdf compression

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