LogFX is a multi-platform, free and open-source log viewer designed to handle very large files without a performance hit.

It is written in JavaFX so it can run on most Operating Systems.

Getting LogFX

Please choose one of the two alternatives below:

LogFX is distributed as a stand-alone application (arond 35MB download, 55MB unpacked).

Download the zip file for your distribution, unzip it, then run it with:

logfx/bin/logfx

Linux - logfx-<version>-linux.zip

Mac - logfx-<version>-mac.zip

Windows - logfx-<version>-windows.zip

Find the latest version on Maven Central.

VERSION=<latest_version> && \
  curl https://repo1.maven.org/maven2/com/athaydes/logfx/logfx/$VERSION/logfx-$VERSION-all.jar \
  -o logfx.jar

Size of the jar as of version 0.6.1: 289 KB. Not MB! UPDATE: Version 1.0's jar size: 272Kb.

Run with:

java -jar logfx.jar

Hint: to get Java 17 with JavaFX included, use SDKMAN!

Screenshots