The best tools and resources on the internet for Software Testing

Over 350+ awesome tools and resources on the internet to supercharge your testing.

contrast ratio logo

contrast ratio

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

Accessibility Testing
Free
Color Contrast Analyzer logo

Color Contrast Analyzer

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

Accessibility Testing
Free
Accessibility Insights for Web logo

Accessibility Insights for Web

Accessibility Insights for Web helps developers quickly find and fix accessibility issues.

Accessibility Testing
Free
Axe Core logo

Axe Core

Accessibility engine for automated Web UI testing

Accessibility Testing
Free
JMeter DSL logo

JMeter DSL

Simple JMeter performance tests API

Performance Testing
Free
Semgrep logo

Semgrep

Static analysis at ludicrous speed.

Security Testing
Free
PasteSafely logo

PasteSafely

A Pastebin alternative

DevTools
Free
FreeFileSync logo

FreeFileSync

Open Source File synchronization

DevTools
Free
Stetho logo

Stetho

A debug bridge for Android applications.

Free
Lighthouse Simulator logo

Lighthouse Simulator

This tool runs a Lighthouse performance test at a range of different network speeds.

Performance Testing
Free
Advanced REST Client logo

Advanced REST Client

A better API testing tool

API Testing
Free
Select Star SQL logo

Select Star SQL

This is an interactive book which aims to be the best place on the internet for learning SQL.

Learn Software Testing
Free
Pest logo

Pest

Pest is an elegant PHP Testing Framework with a focus on simplicity.

Automated Checking
Free
Responsive Viewer logo

Responsive Viewer

Show multiple screens once, Responsive design tester.

Free
SQL Murder Mystery logo

SQL Murder Mystery

Learn SQL in a fun and gamified way.

Learn Software Testing
Free
CodeSandbox Black logo

CodeSandbox Black

CodeSandbox Black theme for VSCode.

DevTools
Free
Mark Text logo

Mark Text

Simple and Elegant Markdown Editor

DevTools
Free
Dracula logo

Dracula

A dark and colorful theme to rule them all

DevTools
Free and Premium Version
Web Developer Checklist logo

Web Developer Checklist

Chrome and Firefox extension to discover problem areas in websites.

Exploratory Testing
Free
VS Code-jest logo

VS Code-jest

The optimal flow for Jest based testing in VS Code

Automated Checking
Free
Endtest logo

Endtest

Intelligent Test Automation

Automated Checking
Paid
Testsigma logo

Testsigma

Unified, cloud-based test automation platform, powered by AI

Automated Checking
Paid
TestProject logo

TestProject

TestProject is the world's first 100% free test automation platform for Web, Android, iOS and API testing, trusted by over 150,000 users in the testing community.

Automated Checking
Free
SelectorsHub logo

SelectorsHub

A FREE xPath plugin to auto generate, write and verify xpath & cssSelector.

Automated Checking
Free
The Four Hour Tester logo

The Four Hour Tester

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

Learn Software Testing
Free
Android UI Testing Cookbook logo

Android UI Testing Cookbook

An open source documentation about Android UI testing.

Learn Software Testing
Free
XCTest logo

XCTest

Apple’s official testing framework for unit tests.

Automated Checking
Free
REGEXPER logo

REGEXPER

Regular Expression Visualization Site - Create a Diagrams from your regular expressions

Data
Free
Git Bug logo

Git Bug

Distributed, offline-first bug tracker embedded in git, with bridges

DevTools
Free
S

Selenium Wire

Extends Selenium's Python bindings to give you the ability to inspect requests made by the browser.

Automated Checking
Free
context-note logo

context-note

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

Exploratory Testing
Free