Does this compress images?

No, heavy image compression is not possible in the browser. This tool optimizes the PDF structure and removes metadata.

Optimize PDF - Reduce PDF File Size Online

Note: This tool strips metadata and optimizes PDF structure to reduce file size. Heavy image compression is not possible in the browser.

Drop PDF file here or

Optimize and compress PDF files locally in your browser. Remove metadata to reduce file size without losing quality.

Combine multiple PDF files into one single document

Extract pages from your PDF or split into multiple files