Opening binary files online can be a challenging task for many individuals. However, by using the right tools and techniques, it is possible to access and read data from a different source. One option is to use online code editors, such as GitHub Gists, to open and view binary files. Another option is to use web-based hex editors, like HexEd.it, to directly access and modify the contents of binary files. Additionally, there are online services and utilities that allow users to upload and analyze binary files without the need for special software. By leveraging these resources, individuals can gain access to binary file contents and work with them in a convenient and efficient manner.