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Compress PDF Online

Reduce PDF file size without sacrificing readability. Perfect for emailing documents, job portals, and upload limits.

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How to Use Compress PDF

1

Upload PDF

Drag and drop the large PDF file you wish to shrink.

2

Choose Compression Level

Select between Low (highest quality), Medium (recommended balance), or High (smallest file size).

3

Compress & Save

Click "Compress PDF" and download your lightweight PDF file.

Key Features & Benefits

  • Three selectable compression profiles: Recommended (Medium), Extreme (High), and Minimal (Low)
  • Removes redundant metadata, unreferenced objects, and optimizes binary streams
  • Live before and after file size display with exact percentage saved
  • No quality degradation for standard text and vector lines
  • Processed client-side in the browser

Supported Formats & Privacy

Conversion Pipeline
  • PDF (.pdf) → Optimized PDF (.pdf)

Files are processed in sandboxed client memory. No registration or software installation needed.

Client-side ProcessingFree & Watermark-Free

Frequently Asked Questions about Compress PDF

Everything you need to know about using this tool safely and effectively.

No. Text is vector-based and remains crisp. Compression primarily optimizes internal binary structures, embedded font tables, and stream encodings.

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