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PDFSwift

Fast & Smart PDF Tools

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🗜️

Compress PDF Files Online Free

Reduce PDF file size without losing quality using fast and secure compression.Quality guaranteed • Smart compression • 100% secure

Upload PDF File

Drag & drop or click to select PDF (Max 100MB)

Click or drag files to upload

Single file only • Max 104857600MB per file

How to Compress PDF Files Online

1

Upload PDF

Upload your PDF file using drag & drop or the upload button.

2

Choose Compression Level

Select Low, Medium, High, or Extreme compression from the sidebar.

3

Compress PDF

Click the compress button to reduce PDF size while keeping quality.

4

Download PDF

Download your compressed PDF instantly to your device.

Quality Features

Smart Detection

Automatically detects PDF type for optimal compression

Text Preservation

Keeps text as vector for perfect quality

Image Quality

High DPI rendering preserves image details

100% Secure

All processing happens in your browser

Smart Compression Guide

  • Text PDFs: Uses direct compression for perfect text quality
  • Image PDFs: Uses high-DPI rendering with quality preservation
  • Mixed PDFs: Smart algorithm chooses best method
🎯 Quality Tips
• Use Low/Medium for documents with text
• Use High/Extreme for image-heavy PDFs
• All levels preserve maximum possible quality
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Files Uploaded
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Average Savings