The best Software Testing tools and resources on the internet.

Over 500+ awesome tools and resources on the internet to supercharge your testing.

Test your checkout before the holiday rush

Featured

Your checkout already has Playwright or Selenium tests. Those same tests can now be your load test. Run them in up to 1,000 browsers at once while API load runs in the background. You’ll see when the page starts to slow down, well before holiday sales begin. Try BrowserStack Load Testing for free.

Try a free load test!

REST Assured

Testing and validating REST services the easy way.

Automated Checking

Tabgod

Execute any JavaScript on any open browser tab.

Exploratory Testing

WPT fyi

Unified dashboard summarizing results from the Web Platform Tests (WPT)

Performance Testing

Nmap Security Scanner

Security Testing

Security Testing

HTML Size Analyzer

Analyze HTML size and catch bloat like inline images, large React hydration state, or code duplication.

Performance Testing

The Four Hour Tester

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

Learn Software Testing

WinMerge

Differencing and merging tool for Windows

Mocks Server

Node.js mock server running live, interactive mocks in place of real APIs

Beachpatrol

A CLI tool to replace and automate your daily web browser.

Automated Checking

SikuliX

Automation of GUI components with mouse and keyboard actions.

Desktop Automation

Bug Magnet

Exploratory testing assistant for Chrome and Firefox

Exploratory Testing

BugBug

Automate web app testing easier than ever. Without excessive costs. Faster than coding. Free forever.

Automated Checking

AnyPass

Multiplatform app for your all-in-one password management.

SQLite Schema Diagram Generator

Visualize yout DataBase in SQL Schema graph.

gauge

Light weight cross-platform test automation

Automated Checking

JUnit5 Robolectric Extension

A unit testing framework for Android.

Automated Checking

Price Per Token

Free LLM API pricing comparison. Compare GPT-5, Claude, Gemini & DeepSeek costs instantly. Updated daily with official prices from OpenAI, Anthropic & more.

Agentic Test Explorer

An agnostic AI-driven exploratory test framework that intelligently explores, tests, and validates any application.

PyCharm

Free - Community Edition

Advanced code management platform for Python

grex

Generate a matching regular expression from the test cases you provide

GraphQL Network Inspector

A better network inspector for viewing and debugging GraphQL requests in Chrome and Firefox.

Brimstone

Perform visual testing with record and play Brimstone pixel-perfect webpage automation tests.

Automated Checking

SuperTest

Simplifying HTTP Assertions for Node.js

Stetho

A debug bridge for Android applications.

context-note

A note-taking chrome extension: taking notes on the web with their context.

Exploratory Testing

Chronos

Monitors the health and web traffic of servers, microservices, Kubernetes/Kafka clusters, containers, and AWS services.

Animate SQL

Visualize SQL queries online.

Learn Software Testing

Mizu

A simple-yet-powerful API traffic viewer for Kubernetes.

contrast ratio

A tool to calculate the contrast ratio between any two valid CSS colors.

Accessibility Testing

WhatFont

The easiest way to identify fonts on web pages.

Exploratory Testing