30 Must-Have IntelliJ IDEA Plugins to Supercharge Your Java Development

Plugin Installation Guide

Search and install plugins directly from the IDE's marketplace.

Highly Recommended Plugins

Presentation Assistant – Shortcut Key Display

Shows shortcut keys during screen recording or sharing, improving presentation clarity.

Codota – Intelligent Code Completion

Provides AI‑driven code suggestions and can search for example snippets. Includes a web portal at https://www.codota.com/code.

Alibaba Java Code Guidelines

Highlights violations of Alibaba's Java coding standards and supports toggling between Chinese and English messages.

Translation – Essential Translation Plugin

Quickly translate selected text using shortcut keys.

macOS: command+ctrl+i Windows/Linux:

ctrl+shift+o

SequenceDiagram – Auto‑Generate Call Sequence Diagrams

Right‑click → Sequence Diagram to visualize call chains; double‑click class or method names to navigate to source code.

Rainbow Brackets – Colorful Bracket Matching

Assigns distinct colors to matching brackets to prevent mismatches.

HighlightBracketPair – Bracket Pair Highlighting

Highlights the start and end of a bracket pair.

Grep Console – Log Highlighting

Enhances console output by applying custom color schemes to log messages.

google-java-format – Automatic Code Formatting

Formats code without needing manual shortcut keys.

Key Promoter X – Shortcut Tips

Displays available shortcuts in the lower‑right corner of the IDE.

CodeGlance – Code Minimap

Shows a miniature overview of the file for quick navigation, reducing the need for excessive scrolling.

Leetcode Editor – Solve Algorithm Problems Inside IDEA

Allows developers to practice coding challenges directly within the IDE.

Material Theme UI – IDE Theme Plugin

Provides a collection of modern UI themes for IntelliJ IDEA.

Power Mode II – Typing Effects

Adds visual effects while typing to make coding more engaging.

RoboPOJOGenerator – JSON to POJO Conversion

Generates Java POJOs from JSON data (alternative: GsonFormat, though less frequently updated).

Statistic – Project Information Statistics

Displays comprehensive statistics of file types and other project metrics.

CamelCase – Switch Between Naming Conventions

Allows quick conversion between different case styles; shortcuts are available under the IDEA Edit menu.

jclasslib Bytecode Viewer – Inspect Bytecode

Open a class, compile if necessary, then select View → Show Bytecode With jclasslib to view the generated bytecode in a dedicated tool window.

Auto Filling Java Call Arguments

Press Alt+Enter on a method call to auto‑populate parameters with their defined names.

GenerateO2O – Auto‑Fill Parameter Values

Automatically fills method parameters with default values.

GenerateAllSetter – Invoke All Setters

Generates calls to all setter methods, optionally inserting default values.

Maven Helper – Resolve Maven Dependency Conflicts

Provides tools to identify and fix JAR version clashes in Maven projects.

FindBugs – Detect Potential Bugs

Analyzes code for common pitfalls and security issues.

Stack Trace to UML – Generate UML from Exceptions

Use Analyze → Open Stack trace to UML to create sequence and communication diagrams from JVM stack traces.

Java Stream Debugger – Visualize Stream Operations

Shows each step of a Java Stream pipeline for easier debugging.

RestfulToolkit – Quick Navigation to Action Methods

Provides shortcuts for jumping directly to REST controller methods.

JRebel for IntelliJ – Hot‑Swap Code Changes

Applies code modifications instantly after pressing the designated shortcut.

String Manipulation – Advanced String Editing

Offers utilities for case conversion, encoding/decoding, and other string operations via Alt+M.

Free MyBatis Plugin – Navigate Between Mapper Interfaces and XML

Enables quick jumps from Java mapper methods to corresponding XML definitions.

IDEA QAPlug – Early Detection of Potential Bugs

Analyzes code to surface possible issues before they become bugs.

Author: 发呆哥 Source: blog.csdn.net/weixin_46285416/article/details/107853987