LogrPro is a simple and powerful tool for viewing logs. It allows you to view logs in real time as they grow, highlight lines containing certain substrings, search for the entries containing substrings.
LogrPro also allows you to open several logs at a time and navigate easily between them.
Choose the list of encodings you most often work with as well as the file extensions from the Preferences Window.
Switch the tail feature off if you want to see the log growing, or just start scrolling.
You can choose the the font face or size, as well as hide the side panels and go full screen to see more of your log at a time.