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PDF Compressor

Reduce PDF file size while maintaining quality

pdfcompressreduce
Tool
Compress PDF files to reduce their size. Choose compression level to balance quality and file size.

Reduce PDF file size while maintaining quality. Adjust the compression level to balance file size and visual quality. Processing is done entirely in your browser.

How it works:

  • 1. Select a PDF file to compress
  • 2. Adjust the quality slider (higher = better quality, larger file)
  • 3. Click "Compress PDF" to process
  • 4. Download your compressed PDF file automatically

Features:

  • ✓ Supports PDF files up to 100MB
  • ✓ Adjustable compression quality
  • ✓ Real-time compression preview
  • ✓ Fast client-side processing
  • ✓ No file uploads to servers - 100% private
About this tool

Type

compressor

Input

pdf

Output

pdf

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Features
  • ✓ Free to use
  • ✓ No registration required
  • ✓ No file size limits
  • ✓ Fast processing
  • ✓ Secure & private
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What is PDF Compressor?

PDF Compressor reduces the file size of your PDF documents while maintaining readable quality. Large PDFs can be difficult to email, upload, or store. This tool intelligently removes redundant data and optimises images to deliver a significantly smaller file.

How to Use PDF Compressor
  1. 1Upload your PDF by clicking the upload button or dragging the file onto the page.
  2. 2Choose a compression level: Low (minimal quality loss), Medium (balanced), or High (maximum compression).
  3. 3Click "Compress PDF" and wait a few seconds for processing.
  4. 4Preview the compressed file size reduction, then download your smaller PDF.
Common Use Cases
  • →Reducing PDF size to meet email attachment limits (typically 10–25MB).
  • →Compressing documents before uploading to a web form or portal.
  • →Saving storage space when archiving large volumes of PDFs.
  • →Preparing PDFs for faster loading on websites.
  • →Making scanned document files smaller without losing readability.
Frequently Asked Questions

How much can I reduce a PDF file size?

Most PDFs can be compressed by 40–70%. Image-heavy PDFs compress more than text-only documents.

Will text remain readable after compression?

Yes. Even at high compression levels, text remains sharp. Images may show slight quality reduction at maximum compression.

Does compressing a PDF affect printing quality?

Low and medium compression are safe for printing. High compression is recommended for digital sharing only.

Can I compress multiple PDFs at once?

Currently the tool processes one PDF at a time. Process each file separately.