This project is read-only.

YALV project has moved on GitHub!!!

From release you can find sources here:

Follow the YALV project on GitHub ;)

Project Description

YALV! is a log file viewer for Log4Net with handy features like log merging, filtering, open most recently used files, items sorting and so on. It is easy to use, it requires no configuration, it has intuitive and user-frienly interface and avaliable in several languages. It is a WPF Application based on .NET Framework 4.0 and written in C# language.

[More Screenshots]

Main features:

  • Log files merging into one list
  • Dynamic log events filtering
  • Dynamic show/hide log events by log level
  • Favorites log folders list
  • Open most recently used files
  • Column sorting
  • Copy log event data to clipboard


  • English
  • French new.png
  • German new.png
  • Italian
  • Russian
  • Japanese


YALV itself does not require any setup, but log4net must be setup in your application to write XML content in XmlLayoutSchemaLog4j layout to log files. Read more...


Download latest binaries, unzip and launch YALV.exe. That's all!
YALV GUI language follows your Windows culture automatically, but you can override this behavior. Read more...


We'd really appreciate your YALV experience and it would be great if you leave a feedback on current release (on the right).
If you have any suggestions, ideas or you found some bugs or translation inaccuracies, please feel free to create an issue.
Also there are already some issues pending. Please vote!

Last edited Feb 27, 2016 at 7:18 PM by LukePet, version 22