PDF compression guides

Short, practical explainers for upload limits—without spammy keyword articles.

• Basics

  How to reduce PDF file size

  A practical path from diagnosis to a concrete megabyte target.

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• Troubleshooting

  Why is my PDF so large?

  Scans, images, exports, and other common size drivers.

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• How it works

  How PDF compression works

  Images, cleanup, rasterisation, and Preserve / Balanced / Strong.

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