Testing extensions on the VS Code Marketplace

Test Runner for JavaMicrosoft

#1

Run and debug JUnit or TestNG test cases.

GoGo Team at Google

#2

Rich Go language support for Visual Studio Code

C# Dev KitMicrosoft

#3

Official C# extension from Microsoft

DartDart Code

#4

Dart language support and debugger for Visual Studio Code.

Thunder ClientThunder Client

#5

Lightweight Rest API Client for VS Code

PlatformIO IDEPlatformIO

#6

Your Gateway to Embedded Software Development Excellence: CMSIS, ESP-IDF, FreeRTOS, libOpenCM3, mbed OS, SPL, STM32Cube, Zephyr RTOS, Arduino, ARM, AVR, Espressif (ESP8266/ESP32), FPGA, MCS-51 (8051), MSP430, Nordic (nRF51/nRF52), PIC32, RISC-V, Raspberry Pi (RP2040), STMicroelectronics (STM8/STM32)

PHPDEVSENSE

#7

All-in-One PHP support - IntelliSense, Debug, Formatter, Code Lenses, Code Fixes, Linting, Refactoring, PHPUnit Tests, Web Server, and more.

PHP ProfilerDEVSENSE

#8

Support for PHP (Xdebug) profiling files and inspecting them.

JavaOracle Corporation

#9

Java Platform Extension for Visual Studio Code

ClineCline

#10

Autonomous coding agent right in your IDE, capable of creating/editing files, running commands, using the browser, and more with your permission every step of the way.

Quokka.jsWallaby.js

#11

JavaScript and TypeScript playground in your editor.

JestOrta

#12

Use Facebook's Jest With Pleasure.

Playwright Test for VSCodeMicrosoft

#13

Run Playwright Test tests in Visual Studio Code.

PostmanPostman

#14

Streamline API development and testing with the power of Postman, directly in your favorite IDE.

CodeGPT: AI Coding Agents & ChatCode GPT

#15

Free AI coding every day — chat & AI agents with Claude, GPT, Gemini, DeepSeek, or your own keys and local models

Jest / Vitest Runnerfirsttris

#16

Run and debug Jest, Vitest, Node.js, Bun, Rstest and Deno tests with ease, right from your editor.

Serial MonitorMicrosoft

#17

Send and receive text from serial ports.

Roo CodeRoo Code

#18

A whole dev team of AI agents in your editor.

Ruby LSPShopify

#19

VS Code plugin for connecting with the Ruby LSP

OpenAPI (Swagger) Editor42Crunch

#20

OpenAPI creation, editing and preview, as well as static and dynamic API security testing. Identifies OWASP API vulnerabilities in both the design and implementation of the API

Kilo Code: AI Coding Agent, Copilot, and AutocompleteKilo Code

#21

Open Source AI coding agent that generates code from natural language, automates tasks, and runs terminal commands. Features inline autocomplete, browser automation, automated refactoring, and custom modes for planning, coding, and debugging. Supports 500+ AI models including Claude (Anthropic), Gem

Keploy: AI Testing Assistant for Developers – Supercharge Unit, Integration, and API Testing in Python, JavaScript, TypeScript, Java, PHP, Go, and MoreKeploy Unit and API Test Generator using AI

#22

Keploy: AI Testing Assistant for Developers helps with unit, integration, and API testing in Python, JavaScript, TypeScript, Java, PHP, Go, and more. It simplifies test creation and execution directly in Visual Studio Code, making testing easier and more efficient for developers.

VitestVitest

#23

A Vite-native testing framework. It's fast!

ChatGPT - Genie AIGenie AI

#24

Your best AI pair programmer. Save conversations and continue any time. A Visual Studio Code - ChatGPT Integration. Supports, GPT-4o GPT-4 Turbo, GPT3.5 Turbo, GPT3 and Codex models. Create new files, view diffs with one click; your copilot to learn code, add tests, find bugs and more. Generate comm

Bito AI Code ReviewsBito

#25

Agentic, codebase-aware AI Code Reviews in your IDE. Bito reviews code instantly without creating a pull request. Catch bugs early, improve quality, and ship faster. Try for free.

Coverage Guttersryanluker

#26

Display test coverage generated by lcov or xml - works with many languages

Qodo: AI Code ReviewQodo (formerly Codium)

#27

Qodo is the AI code review platform that catches bugs early, reduces review noise, and helps maintain code quality across fast-moving, AI-driven development. Qodo’s VSCode plugin enables developers to run self reviews on local code changes and resolve issues before code is committed.

Salesforce Code AnalyzerSalesforce

#28

Salesforce Code Analyzer is a unified tool for source code analysis. Run Code Analyzer to scan multiple languages in your code and add diagnostic info to your code that describes the violations.

SwiftSwift

#29

Swift Language Support for Visual Studio Code.

Fitten Code: Fitten Code: Faster and Better AI AssistantFitten Tech

#30

Super Fast and accurate AI Powered Automatic Code Generation and Completion for Multiple Languages.

Azure Load TestingMicrosoft

#31

An extension to create and run load tests using Azure Load Testing.

ElixirLS: Elixir support and debuggerElixirLS

#32

Elixir support with debugger, autocomplete, and more - Powered by ElixirLS.

TestMate C++Mate Pek

#33

Run GoogleTest, Catch2 and DOCtest tests from VSCode

vs-code-runnerHarryHopkinson

#34

Run C, C++, Java, JavaScript, PHP, Python, Perl, Ruby, Go, C#, VBScript, TypeScript, CoffeeScript, Scala, Swift, R, Visual Basic .NET, Objective-C, Rust, Kotlin, Dart, and Haskell

Dadroit JSON GeneratorDadroit

#35

Generate nested sample JSON data using custom templates.

Go NightlyGo Team at Google

#36

Rich Go language support for Visual Studio Code (Nightly)

ChatGPT [deprecated]Ali Gençay

#37

Unofficial VS Code - ChatGPT integration

RapidAPI ClientRapidAPI

#38

RapidAPI Client is a full-featured HTTP client that lets you test and describes the APIs you build or consume. Designed to work with your VS Code themes, RapidAPI Client makes composing requests, inspecting responses, generating code, and types for application development simple and intuitive.

Power User for dbtAltimate Inc.

#39

a.k.a. dbt power user makes vscode work seamlessly with dbt™ core and dbt™ cloud: auto-complete, preview, column lineage, AI docs generation, health checks, cost estimation etc

Chat for Claude CodeAndre Pimenta

#40

Beautiful Claude Code Chat Interface for VS Code

Claude Fable 5.1, GPT-6-Astra, Grok 4.6, Kimi k3, Gemini-3.8 Flash, AI Agent, AI Copilot,and Debugger, Generative AI, Code Generator, Code Chat, Cursor, ChatGPT, Cline, Github Copilot, Codex, Code AssSixth

#41

Claude Fable 5.1, GPT-6-Astra, Grok 4.6, Kimi k3, Gemini-3.8 Flash, Coding Assistant is a lightweight AI coding platform for helping developers automate all the boring stuff like writing code, real-time code completion, debugging, auto generating doc string and many more. Trusted by 500K+ devs from

CucumberCucumber

#42

Cucumber for Visual Studio Code

Vitest (DEPRECATED)Zixuan Chen

#43

Run and debug Vitest test cases

Code CoverageMarkis Taylor

#44

Boost test coverage and reliability with this easy-to-use code coverage analysis tool

RobotCode - Robot Framework SupportDaniel Biehl

#45

Robot Framework IntelliSense, linting, test execution and debugging, code formatting, refactoring, and many more

Python Snippets 3EricSia

#46

New auto suggestion for Python updated in 2024

Wallaby.jsWallaby.js

#47

Test Runner with Instant Actionable Results.

ChatGPT CopilotPengfei Ni

#48

An VS Code ChatGPT Copilot Extension

Cline ChineseSSYCloud

#49

Cline 的开源社区汉化版本

Language Server for Java by Apache NetBeansApache Software Foundation

#50

Apache NetBeans Language Server Extension for Visual Studio Code