The problem is that users often have to work with large PDF files that are both difficult to handle and share, especially online, where file size restrictions often pose a hurdle. Users are confronted with the issue that attempting to reduce the file size often leads to a loss in quality. Additionally, they require a solution that is user-friendly and doesn't require a download or installation. Moreover, it's important to ensure the privacy and security of the files. Therefore, the tool should be able to optimize the PDF files while simultaneously maintaining high quality.

The PDF24 Tools - Optimize PDF is the ideal solution for this problem. It helps users reduce the file size of their PDFs without having to compromise on quality. This is achieved through efficient optimization techniques that eliminate unnecessary data, compress images, and optimize fonts. Regardless of file size restrictions, sharing and uploading PDFs are significantly facilitated. In addition, the online tool is user-friendly, it requires no installation or downloads. Another plus point: The privacy and security of the files are guaranteed. So it's the perfect tool for anyone dealing with large PDF files who wants to manage them more efficiently.