The best Software Testing tools and resources on the internet.

open source On-device debugger for Android applications

A color contrast checker for modern CSS color formats.

Encode & decode strings, bytes, and integers to Base62

Learn software testing by focusing on simple exercises that take at most one hour to complete.

This is a tool to visualize how different text splitters chunk up text.

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

Get your fake data in seconds

Test for accessibility for people who have limited or no use of their hands

Your basic anonymous temporary email address.

Web based video editor, easy to edit video bug report, test journeys.

A revolutionary open source software that allows you to easily automate tasks.

Simplify creating, managing, and executing automated tests.

Automatically generate Accessibility test cases for Web, iOS and Android components

a Ruby regular expression editor

Free public API to test API endpoints and retrieve dummy JSON data swiftly.

A privacy-friendly, open source journaling app for Mac.

A tool to help testers test by supporting the entire process of exploratory testing, from gathering evidence to generating test reports.

A quick way to disable/enable JavaScript in the browser.

Windows GUI Automation with Python (based on text properties)

Learn SQL in a fun and gamified way.

Intelligent Test Automation

Performance comparison of Javascript rendering/game engines.

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

⚡ Open source UI automation framework built specifically for Salesforce with Autolocators 🧙‍♂️

Supercharge your Playwright tests with AI

Rapid Test Automation

Capture or record a video of your screen, write text or arrows and share it.

Cross-platform test runner for Android and Apple

Chrome and Firefox extension to discover problem areas in websites.

A REST API testing tool to automate e2e, integration, contract, and component (or service-level) tests.