tOpener 1.0 - Edit text files Posted 1/09/2013 at 2:36 UTC in iOS by gnye@amdesign.net | Permalink | Tweet tOpener 1.0 is a new plain text file editor that can open any files that contains plain text, such as file types like .plist (inclusive binary plists), .html, .txt, .css, .c, .rss, .csv, .sql, .xml and others.