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How to Reduce PDF Size

PDF file size often comes from embedded images. This browser tool rewrites the PDF structure with compact object streams; it does not recompress the embedded photos, so results vary.

Ready to try it?

Rewrite a PDF with optimized object streams and compare file size.

Open tool Compress PDF

Steps

  1. 1Select a PDF in the Compress PDF tool.
  2. 2Run the local structural optimization.
  3. 3Compare the original and new file sizes.
  4. 4Keep the optimized copy only if it is smaller.

Example

A form-heavy PDF may shrink, while a scanned document dominated by photos may remain about the same size.

Keep exploring

Use the browser-based tool to complete this task. Your inputs stay on your device for supported operations. Compress PDF

Try this tool