Toolong is a terminal application designed for web developers to view, tail, merge, and search log files. It offers live tailing of log files and syntax highlights for web server log formats. The tool is known for its speed and ability to open both large and small files quickly. Furthermore, it supports JSONL files by prettifying the lines. It can automatically open .bz and .bz2 files and merge log files by detecting timestamps. The developer, an ex web developer himself, created Toolong to be a convenient and user-friendly tool for log analysis. Screenshots and videos showcase its functionality, including merging multiple files and viewing JSONL files. The tool is compatible with Linux and macOS, but potential Windows support may be added in the future. Other alternatives, such as lnav, exist for log file management. Overall, Toolong offers a helpful and efficient solution for web developers working with log files.
https://github.com/Textualize/toolong