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Beginner4 min read

How to Compress a PDF Online Free

Reduce PDF file size for email and uploads without desktop software.

Steps

  1. 1

    Open Compress PDF

    Navigate to the Compress PDF tool.

  2. 2

    Upload your file

    Choose a PDF from your device. Prefer the final version, not a draft with tracked changes exports if avoidable.

  3. 3

    Choose compression level

    Start with a balanced preset. Increase compression only if size is still too large.

    Tip: Spot-check image pages after aggressive compression.

  4. 4

    Download the result

    Save the compressed PDF and archive the original if you need print quality later.

Tips & tricks

  • Merge page order before compressing when assembling proposals.
  • Scanned PDFs compress differently than text exports.

Common use cases

  • Email attachments
  • Form uploads
  • Client proposals

Screenshot checklist

When refreshing this guide, capture these UI states for the docs:

  • Upload dropzone
  • Compression options
  • Download button with file size savings

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