The best Software Testing tools and resources on the internet.

Seamlessly visualize your JSON, XML, TOML, YAML, CSV instantly into graphs!

Easiliy generate fake (but realistic) data for testing and development using Faker.js.

Design, develop, test, and document their APIs effortlessly.

A curated list of Chaos Engineering resources.

Display the page's content in JSON format.

Compress JPG, PNG & WebP images locally in your browser. No uploads, privacy-safe, free image optimization with up to 90% size reduction.

An on-path blackbox network traffic security testing tool

Elevate your Playwright test analysis with the Pulse Dashboard. Our official guide shows you how to monitor results, track trends, and debug failures faster than ever.

finds bugs in your shell scripts.

Smartphone and tablet simulator to test your mobile site on various devices.

An Appium Model Context Protocol (MCP) server that connects LLM agents to mobile UI testing tools.

98 apps to perform reverse engineering and binary/malware analysis.

SQL Database Explorer [SQLite, libSQL, PostgreSQL, MySQL/MariaDB, DuckDB, ClickHouse]

Barcode scanning library for Java, Android.

An open source approach to locally record and enable searching everything you view on your Mac.

Thunder Client is a lightweight Rest API Client Extension for Visual Studio Code

A CLI diff tool that compares files based on their syntax, not line-by-line. Difftastic produces accurate diffs that are easier for humans to read.

State of the art mutation testing system, providing gold standard test coverage for Java and the jvm.

Perform 110+ operations, including encoding, decoding and more...

The most popular and friendly mocking framework for .NET

mock object testing framework that can be used to create stubs in iOS apps.

Identify vulnerabilities in running containers, images, hosts and repositories

Appium plugin designed to wait for element to be present.

Locate web elements using natural language. Powered by LLM. Works with Selenium

Jumpstart Your Web Accessibility Efforts Directly in Google Chrome

Taiko is an open source node.js library for testing modern web applications

Java based testing framework

REST & SOAP API Testing

Scan your entire site with Google Lighthouse in 2 minutes (on average).

Mock API by intercepting requests on the network level. Seamlessly reuse the same mock definition for testing, development, and debugging.