The best tools and resources on the internet for Software Testing

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

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

Library that provides an API to replay and stringify recordings created using Chrome DevTools Recorder

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

Lint an npm or Yarn lockfile to analyze and detect security issues via predefined security policies.

No WebDriver required. No manual timeouts needed. Cross-browser testing out-of-the-box.


Supports editing text and images in a PDF across all platforms.

Jest matcher for image comparisons. Most commonly used for visual regression testing.

Puppeteer to Playwright conversion script

By mirroring traffic to and from your machine, mirrord surrounds your local service with a mirror image of its cloud environment.

A GitHub Action that lets you automatically run tests against WebPageTest on code changes.

Jumpstart Your Web Accessibility Efforts Directly in Google Chrome

Property-based testing for Scala

A beautiful JSON explorer packed with features

A collection of handy Bash One-Liners and terminal tricks for data processing and Linux system maintenance.

Run commands in a GIT repository.

one-stop resource with tons of little utilities for formatting, editing, generating, minifying, and so on.

A framework for continuous, proactive and fully automated dynamic scanning against web apps/API.

A tool for securing CI/CD workflows with version pinning.

An extension that allows for Bionic Reading on any webpage!


A javascript Library for leaking memory

Export Cypress Tests from Google Chrome DevTools' Recorder

Powerful friendly WebRTC mock peer & proxy

WebPageTestFree with Paid Tire

A web performance tool providing deep diagnostic information about how a page performs under a variety of conditions.

Check compliance with WCAG 2.0 minimum contrast

Publishes test results to Microsoft Teams & Slack

A repository of Test Cases and Scenarios

Data Table Editor & Generator


Generate massive amounts of fake data in the browser and node.js

An open-source web accessibility checker

An on-path blackbox network traffic security testing tool

Most sophisticated code coverage tool for Java and Groovy.

NbomberFree with Paid Tire

Load test any system with a distributed cluster

Python framework for end-to-end / QA testing


Automate web applications security assessments

online JSON formatting and processing tool with powerful functions

Aggregated set of useful tools that every developer and tester may need once in a while.


It is a penetration testing tool that focuses on the web browser.

Make your website smaller and faster by minifying the JS & CSS code!

A free online collaborative whiteboard app

Web Application Security Scanner Framework


Web vulnerability scanner written in Python3

This simple yet effective tool helps you compare two texts, and reveals the similarities and differences.

Convert curl commands to Python, JavaScript, PHP and much more...

Curated lists of tools, tips and resources for protecting digital security and privacy