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Compress PDF

Reduce PDF file size without losing quality.

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Drag & Drop files here

Upload your documents. You can reorder or manage them after uploading.

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Free Tutorial & Guide

How to Compress a PDF File to Make It Smaller (4 Free Methods)

Reduce PDF file size by up to 90% while keeping your document looking great. Free online PDF compressor — no software needed.

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menu_book How to Use Compress PDF

  1. 1

    Upload your PDF using the upload button or drag and drop.

  2. 2

    Select a compression level: Compact, Balanced, or High Quality.

  3. 3

    Click Process Compress PDF.

  4. 4

    Download your optimized PDF.

verified Key Features

  • check_circle Three compression modes: Compact, Balanced, High Quality
  • check_circle No visible quality loss on standard compression
  • check_circle Reduces size by 30–70% on average
  • check_circle No watermark on output
  • check_circle Encrypted upload and auto file deletion
  • check_circle Works on all devices

thumb_up Why Use This Tool?

Large PDF files create problems everywhere — email attachment limits, slow uploads, storage constraints. Docuvory's free compressor intelligently reduces file size while preserving readability. Balanced mode typically reduces size by 40–70%. Compact mode gives maximum compression while High Quality is perfect for print-ready documents.

security Security & Privacy

Files are transferred over HTTPS with 256-bit AES encryption and deleted automatically within 1 hour. We never store or read your document content.

help Frequently Asked Questions

On average 30–70%, depending on the original file content.
Balanced is best for most use cases. Compact for smallest size, High for print quality.
No. Text remains sharp at all compression levels.
Up to 100 MB per file.
Yes, embedded images are optimized as part of the process.
Completely free with no hidden charges or watermarks.

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PDF compression works by removing redundant data, downsampling embedded images, and applying lossless or lossy compression algorithms to reduce the overall file size. Docuvory offers three quality tiers so you can balance file size against visual fidelity. The Compact mode applies aggressive image downsampling, ideal for archiving or messaging apps. Balanced mode is a middle ground for everyday document sharing. High Quality mode minimises compression but still removes unnecessary metadata, resulting in a slightly smaller file that is indistinguishable from the original at normal reading distances.