The best Software Testing tools and resources on the internet.

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

Exploratory Testing Chrome Extension

Exploratory Testing Chrome Extension

Free

A Chrome extension designed for making web exploratory testing easier

Exploratory Testing
SelectorsHub

SelectorsHub

Free

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

Automated Checking
Pee.js

Pee.js

Free

A javascript Library for leaking memory

Memory
LICEcap

LICEcap

Free

Capture any area of your desktop and save it directly to .GIF

Screen Capture
Mariana Trench

Mariana Trench

Free

Mariana Trench is a security focused static analysis platform targeting Android.

Security Testing
headers 2 curl.

headers 2 curl.

Free

headers 2 curl. Provided a set of HTTP request headers, output the curl command line for generating that set.

Traffic Listener
Health Check Api

Health Check Api

Free

An easy way to execute a health check against your API endpoint.

API Testing
Ajv JSON schema validator

Ajv JSON schema validator

Free

Security and reliability for JavaScript applications

API Testing
Load Testing Center

Load Testing Center

Free

Dashboard/Report analyzer for load testing with JMeter

Performance Testing
httpbin.org

httpbin.org

Free

HTTP Request & Response Service, written in Python + Flask.

API Testing
Chaos Monkey

Chaos Monkey

Free

Performance and Infra testing

Performance Testing
Mountebank

Mountebank

Free

Over the wire test doubles

API Testing
ARIA DevTools

ARIA DevTools

Free

Easily spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support in your web applications.

Accessibility Testing
ReqBin

ReqBin

Free

ReqBin is an online API testing tool for REST and SOAP APIs.

API Testing
N

Nginx Playground

Free

An nginx playground website created by Julia Evans where we can paste the nginx configuration and test it out.

DevOps
Prestige

Prestige

Free

A text-based HTTP client in the browser, an interface-less Postman.

API Testing
Curl

Curl

Free

command line tool and library for transferring data with URLs

API Testing
URL Fetch

URL Fetch

Free

Code Generator for HTTP Requests

API Testing
Kubescape

Kubescape

Free

It’s a first tool for testing if Kubernetes is deployed securely as defined in Kubernetes Hardening Guidance by to NSA and CISA.

DevOps
SNAKEVIZ

SNAKEVIZ

Free

Python Memory Profilling

Memory
D

Dsq

Free

Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.

DevTools
Appium

Appium

Free

Mobile application automation framework

Automated Checking
Loop

Loop

Free

A macOS app that simplifies window management for you.

DevTools
iPerf

iPerf

Free

test maximum achievable bandwidth on IP networks.

Performance Testing
HTML Size Analyzer

HTML Size Analyzer

Free

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

Performance Testing
checka11y.css

checka11y.css

Free

A CSS stylesheet to quickly highlight a11y concerns.

Accessibility Testing
UFreeTools

UFreeTools

Free

over 80–100 fully free, online tools for developers, designers, covering coding, design, graphics, text editing, image, network, cryptography and more..

DevTools
Mimesis

Mimesis

Free

Generate wide range of fake data in multiple languages.

Test Data Generation
Instancio

Instancio

Free

A Java library for automating data setup in unit tests.

Test Data Generation
R

REST Assured NET

Free

Brings the power of REST Assured to the C# / .NET ecosystem by Simplifying HTTP Testing

API Testing