jarbloat

A simple tool to analyze the content and size of a Java JAR file. Inspired with go-size-analyzer.

Features:

Works on Java >= 8
Detail size breakdown by files and packages
Support multiple output formats: table (can be used in markdown or
org-mode files), json, csv and interactive html
Support for analyzing the dependency of each class file (within a jar) and
displaying dependency graph in Graphviz dot format
It can be compiled with GraalVM for fast startup

Usage

Download the latest release from releases page. You can run OS independent jarbloat.jar with:

java -jar jarbloat.jar [options] <app.jar>

or you can run OS dependant binary with:

# linux
jarbloat-linux-amd64 [options] <app.jar>

# macos
jarbloat-darwin-amd64 [options] <app.jar>

# windows
jarbloat-windows-amd64.exe [options] <app.jar>

Compilation

To compile jarbloat, make sure you have leiningen installed and make. Run:

make uberjar

and you will get a standalone uberjar in target/jarbloat.jar. To compile it to a standalone binary, install GraalVM and run:

make native NATIVE_IMAGE=<path/to/native-image>

Github Actions will automatically create OS dependent binaries for every new release.

License

This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0 which is available at http://www.eclipse.org/legal/epl-2.0.

This Source Code may also be made available under the following Secondary Licenses when the conditions for such availability set forth in the Eclipse Public License, v. 2.0 are satisfied: GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version, with the GNU Classpath Exception which is available at https://www.gnu.org/software/classpath/license.html.

Badges

Extracted from project README's