The Log4View interface at a glance
Log4View uses an Office-inspired ribbon interface. Frequently used log-analysis functions are within easy reach, and the interface is designed for high-resolution displays.
For day-to-day work, Log4View provides a fully configurable message-details view, multiple export formats, charts for visualizing value distributions and a flexible filtering system.
Overview of all features
- Simultaneous logging of up to 255 applications. Messages of different receivers can be consolidated in a common window or displayed in separate message windows
- The dynamically growing logger tree shows all known loggers
- A chart window allows easy visualization of different loggers.
- Context sensitive help in English and German
- Extended File Read Filter allows selective reading of extremely huge log files.
- Edit your log messages with comments and bookmarks and save them to file.
- All logging software settings can be saved to a configuration file and easily be restored
- Minimize Log4View to the system tray and get visual and audible hints at incoming messages.
- File receiver enables visualization of messages with the log4net and log4j FileAppender and RollingFileAppender. The file receiver can read consecutive rolled files at once.
- Freely configurable filters allow filtering of messages at reception or display level
- Export log messages to Excel, XML, Text or PDF files or to the clipboard.
- Customizable layout of the visualized log messages. Font and color of log messages can be individually selected, depending on logger name, log level, message text and other criteria
- TCP receiver can be used with the unique log4net TCP appender, which was developed for Log4View to ensure reliable message transmission
- The log parser comes with localization for English, German and French
- Individual log levels and additional content fields possible
- Linked receivers allow direct editing of log4net config settings
- This logging software can read and process huge log files (>1000000 lines) quickly
- Additional pattern parser enables Log4View to read pattern formatted log files.
- Filter and search messages using wildcards and regular expressions
- XML parser as default parser to read all log4net and log4j properties of the log messages
- Print log messages in configurable formats.
The interface in detail
The numbered overview explains the application's central areas, from the message view to graphical analysis.

1) Message View
The Message View shows a list of all selected messages. Message layout and color can be freely customized. The context menu offers a powerful selection of different filter techniques.
2) Message Details
All details of the currently selected message are shown here. Resizable text boxes allow even the inspection of complex formatted log output like call stacks.
3) Logger Tree
The logger tree shows all loggers in a hierarchical order and permits setting log level filters for each logger individually. The logger tree shows the selected log level of each logger.
4) Search Messages
Use wildcards or regular expressions to find log messages.
5) Message Chart (Version 3.x)
Visualize loggers as state chart, line chart or histogram.
