A log analysis tool which is an chrome offline extension or web-based online service to help you analyze log or text files.
This extension is a simplified web version of TextAnalysisTool.NET (https://textanalysistool.github.io/), so it can be used on most modern platforms including mac and linux distributions.
Just drag and drop a text or log file to the droppable area, and then feel free to add and remove your filters to help you analyze the file.
You can also check "Show Only filtered lines" to show fewer lines.
If you also want to use it in other browsers, try the online version (No data will be collected).