LogExpert

LogExpert 1.50.0

Windows tail program and log file analyzer.

  • By zarunbal
  • Open Source
  • Updated Oct 3, 2026
Download for Windows

About LogExpert

LogExpert is a Windows tail program (a GUI replacement for the Unix tail command).

Summary of (most) features:

  • Tail mode
  • MDI-Interface with Tabs
  • Search function (including RegEx)
  • Bookmarks
  • A very flexible filter view and possibility to filter to tab
  • Highlighting lines via search criteria
  • Triggers (e.g. create Bookmark or execute a plugin) via search criteria
  • Columnizers: Plugins which split log lines into columns
  • Unicode support
  • log4j XML file support
  • 3rd party plugin support
  • Plugin API for more log file data sources
  • Automatical determine columnizer with given file name and content (Experimental)
  • Serilog.Formatting.Compact format support (Experimental)
  • Portable (all options / settings saved in application startup directory)

What's new in 1.50.0

New Features
- Add command-line navigation to a log line (#58) by @Hirogen in #710
- Support folder drops with cancellable file selection by @Hirogen in #711
- Add configurable log overview marker bar by @Hirogen in #712
- Feature/338 hide line by @Hirogen in #718
- Copy Highlight Entries, resizable Highlight dialog, shared color palette (#708) by @Hirogen in #723
What's Changed
- Add test coverage for TimeSpreadCalculator by @Hirogen in #704
- Add configurable selection highlight color and block outlines by @Hirogen in #706
- Nuget/updatepackages by @Hirogen in #709
- Fix/MultiFile pattern (Issue #696) by @Pr0metheus2 in #697
- Restore dirty LED for tabs with unseen changes (#715) by @Hirogen in #716
- Fix CSV columnizer crash when "first line contains field names" is unchecked (#707) by @Hirogen in #717
- Let cell edit mode use the configured font (#720) by @Hirogen in #721
- Extract Marker Bar coordination into MarkerBarController (#719) by @Hirogen in #722
- Share the custom-color palette with the selection color picker (#708) by @Hirogen in #725 and #726
- Fix/test isolation by @Hirogen in #724 and #727 and #728
Full Changelog: v1.43.0...v1.50.0
Thanks for all the support and suggestions

Full release notes »

Technical details

Publisherzarunbal
Version1.50.0
Release date2026-10-03
LicenseMIT License
Installer typezip
Architecturex64
Package IDzarunbal.LogExpert

Links & install command

Install LogExpert from the command line with Windows Package Manager (winget):

winget install --id=zarunbal.LogExpert -e

columnizerloggerlogger-interfaceloggingwinforms

Older versions

  • 1.43.0
  • 1.42.0
  • 1.41.0
  • 1.40.6
  • 1.40.5
  • 1.40.4
  • 1.40.3
  • 1.40.2
  • 1.40.1

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