Can you recommend an advanced image compression tool that can reduce PDF files to a fifth of their original size, at least? Preferably, I would like a tool that maintains the original image quality.
For advanced PDF image compression, definitely go with PdfCompressor from CVISION. PdfCompressor can reduce black-and-white files by a factor of 5-10x, and color files by a factor of 10-100x, all while preserving the original image. You can test out PdfCompressor by downloading the free trial version.
To begin using PdfCompressor now, download the free trial below: