The best Software Testing tools and resources on the internet.

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

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Scre Io

Record videos from the camera or capture from the screen.

PasteSafely

A Pastebin alternative

Mobile FIRST

Smartphone and tablet simulator to test your mobile site on various devices.

Exploratory Testing

Streaming Data Generator

A tool for generating customizable streaming data with support for various distributions and anomalies.

Open Graph Tester

Preview and test your website's Open Graph data

BTOP++

A Linux system resource monitor with support for Mac in development.

Performance Testing

Mimesis

Generate wide range of fake data in multiple languages.

Test Data Generation

Light my Request

Injects a fake HTTP request/response into a node HTTP server

Nexial

Test automation for everyone - test automation platform with support for web (selenium), desktop, database, api and much more. Coding not required ;-)

Desktop Automation

Mountebank

Over the wire test doubles

Playwright MCP

AI assisted Browser automation using Playwright that enables LLMs to interact with pages through structured accessibility snapshots, bypassing the need for screenshots.

Automated Checking

Beeftext

An open source text substitution tool for Windows.

JSONGenerator.io

Generate JSON data structures for mock data.

Insomnium

Privacy-focused and 100% local API testing tool.

Color Contrast Analyzer

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

Accessibility Testing

AcademyBugs

Explore a practice test site that has 25 real bugs planted inside.

Learn Software Testing

CSV generator

Web CSV Generator is a web-based random CSV data generator written in JavaScript. It allows to generate CSV files.

Test Data Generation

Bruno

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

Text comparator

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

Instancio

A Java library for automating data setup in unit tests.

Test Data Generation

Puppeteer Replay

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

Automated Checking

AltUnity Tester

UI Test Automation for Unity applications

Desktop Automation

HydraLab

Build your own cloud testing infrastructure.

Automated Checking

Online Gherkin Editor

Free, simple to use online Gherkin editor

Automated Checking

puppeteer-to-playwright

Puppeteer to Playwright conversion script

Automated Checking

Json Tree

Simplify the formatting, validation, and visualization of JSON data

Lockbox

A forward proxy for making third party API calls.

Wave Terminal

An open-source terminal emulator for Mac or Linux.

Web Vitals

A Chrome extension that automatically checks Web Vitals scores on the website you're currently viewing.

Performance Testing

Swift Testing

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

Automated Checking