The necessity lies in finding a tool that is both user-friendly and supports a wide range of file formats to facilitate the conversion of files such as audio, video, images, documents, or ebooks. The challenge lies in finding a solution that does not require software installation to make the process less confusing and time-consuming. Moreover, it is important to have a tool that also offers features like customizing the file settings, such as size, color, enhancement, or extraction of file contents. An additional requirement is the ability to convert other categories such as archives, hash functions, and even websites. This poses a demanding task to find a comprehensive solution that meets all these specific needs.

The online converter elegantly and efficiently solves these problems by supporting a wide range of file formats and enabling their conversion into various formats such as audio, video, images, documents, or ebooks. It's a user-friendly tool that doesn't require software installation, making the process less confusing and time-consuming. It provides options for customising file settings like size, colour, and enhancement, as well as for extracting file content. In addition, the tool expands its scope of application by supporting the conversion of other categories, including archives, hash functions, and even websites. This makes it a comprehensive solution tailored to the specific needs of the users.