The best Software Testing tools and resources on the internet.

Automatically detect accessibility issues in web pages using AI

Generate regex patterns by inputting an example of the text.

Playwright for AI Agents. Test what your agent DOES, not what it SAYS. YAML-first behavioral testing. Catch PII leaks, tool abuse, step explosions. 3200+ tests.

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

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

Visualizing Real-World User Experience Data with Chrome User Experience Report

Test how well LLM agents use your MCP tools, compare different models, and track quality over time.

Auto-load your database and displays the data right inside VS Code

Open Source solution unifying API testing, API Performance testing, API Mocks and UI testing.

Pre-configured YAML files to effortlessly deploy a Selenium Grid on your Kubernetes.

User-friendly resource for learning, validating, and formatting JSON content.

Automatically mock your HTTP interactions to simplify and speed up testing

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.

Use any Linux distribution inside your terminal.

A QA automation framework with a built-in AI assistant that writes scalable Playwright tests with you as your product grows.

A package with expressive and intuitive APIs that make testing your Swift code a breeze.

node:test runner wrapper with TypeScript support

A macOS app that simplifies window management for you.

A lightweight CLI tool to run tests on git-staged files before commit pushes.

A customizable Chrome and Firefox extension that fills dummy text in all input fields in a page.

Run SQL queries in your browser.

Custom Jest Assertions for Serverless integration testing.

Preview and test your website's Open Graph data

The all-in-one tool to supercharge your productivity ⌨️

Simplify HTTP Requests and Testing with Plain Text

Real-time regular expression tester for Python

Fetch and process the JSON data from a WebPageTest result.

A pytest plugin that allows recording network interactions via VCR.py

By MicroFocus

Great tool for checking color contrast for both text and images of text.