Log4View

Product

Log analysis without detours

Files, live streams and database logs in one interface, with filters, highlighting and detail views that lead you to the cause faster.

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Which feature set fits your work?

The Trial Edition includes the Professional feature set for 30 days. Afterwards, Log4View continues as the Community Edition.

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FeatureCommunityPrivate & non-commercialTrial30 daysProfessionalCommercial
Commercial useNot includedIncludedIncluded
Email supportNot includedIncludedIncluded
Concurrent receivers and message views1255255
Extended file read filterNot includedIncludedIncluded
Configurable log message appearanceIncludedIncludedIncluded
Export to text filesIncludedIncludedIncluded
Export to Excel and PDFNot includedIncludedIncluded
Dynamically growing logger treeIncludedIncludedIncluded
UDP, TCP and file receiversIncludedIncludedIncluded
log4net, NLog, log4j and log4cxx formatsIncludedIncludedIncluded
Filtering and search with wildcards or regular expressionsIncludedIncludedIncluded
Visualize loggers in chartsNot includedIncludedIncluded

Community remains free. Professional is intended for commercial use.

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The Log4View interface at a glance

Log4View interface with ribbon, logger tree and message view
Log4View with its ribbon interface

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.

Numbered overview of the Log4View message view, details, logger tree, search and chart areas

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.

The Log4View Monitoring Process

Logging Application

The logging application creates log messages using log4net or log4j. The developer can choose between the UDPAppender, the FileAppender, the RollingFileAppender or the TCPAppender to emit the messages. Log4View prefers XML formatted messages but can also process pattern formatted messages.

Receiver

The LogViewer receives the log messages by using a UDP, TCP, or file receiver.

Reception Filter

Freely configurable reception filters decide, which messages are written to the message buffer and which ones are ignored.

Message Buffer

A message buffer of customizable size holds all received messages. If the message buffer is full, the oldest messages are dropped.

Display Filter

Powerful display filters allow to see just that subset of log messages, which is currently important. By changing the display filters, the shown messages can be easily adjusted to the current needs.

Message View

The message window offers a condensed and ergonomic view to the currently selected subset of log messages.

START NOW!

Here you can download the latest log management software release. The Log4View installer includes the required .NET Desktop Runtime.

DOWNLOAD Log4View

The installation file contains all editions of the data logger software. After installation, the log monitoring software runs as the Trial Edition for 30 days. After 30 days, Log4View continues as the Community Edition. When you purchase the Log4View Professional Edition, you receive a license key which has to be activated in Log4View. After registration, Log4View runs as a full-featured Professional Edition.

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