


Lister (Windows) – Very small and minimalist.Also supports file following, tabs, multifiles, bookmarks, search, plugins, and external tools.

and display in a spreadsheet format) and the highlighter (show lines with certain words in certain colors). But its killer features are the columnizer (parse logs that are in CSV, JSONL, etc. LogExpert (Windows) – "A GUI replacement for tail." It's really a log file analyzer, not a large file viewer, and in one test it required 10 seconds and 700 MB of RAM to load a 250 MB file.But from a UI standpoint, it's rather minimal. It supports monitoring file changes (like tail), bookmarks, highlighting patterns using different colors, and has serious optimizations built in. Its main feature is regular expression search. klogg (Windows, macOS, Linux) – A maintained fork of glogg.Very fast, simple, and has small executable size. Also support file following and regex search. Supports horizontal and vertical split view. Large Text File Viewer (Windows) – Fully customizable theming (colors, fonts, word wrap, tab size).
