ChOX ==== :program:`ChOX` (short for *Chemical Object Explorer*) is a handy GUI tool for browsing the contents of chemical structure and reaction data files. .. rubric:: Key Features - Can handle large files containing millions of molecules/reactions without memory or performance issues - Performs 2D structure layout on-the-fly if required/desired - A large array of structure/reaction visualization settings - Allows the selection of individual entries for export or printing - A wide panel of supported input and output file formats .. figure:: /graphics/chox_screenshot.png :scale: 40% :alt: ChOX Screenshot :program:`ChOX` displaying the contents of an SD-file.