The best Software Testing tools and resources on the internet.

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

CrowdView

CrowdView

Free

Search exclusively on forum websites.

Other

🤖 a11y-ai

Free

Automatically detect accessibility issues in web pages using AI

Accessibility Testing
W

WebPerf-Snippets

Free

A curated list of snippets to get Web Performance metrics.

Performance Testing
ModHeader

ModHeader

Free

Modify HTTP request headers, response headers, and redirect URLs

Exploratory Testing
Mailpit

Mailpit

Free

An email and SMTP testing tool with API for developers and automated integration testing.

Email Testing
Winded

Winded

Free

An online tool to test responsive layouts that lets you view multiple device sizes simultaneously, just enter a URL to test.

Exploratory Testing
Try

Try

Free

Inspect a command's effects before modifying your live system

DevTools
Kanboard

Kanboard

Free

Kanboard is a free and open source Kanban project management software

Task Management
Automize

Automize

Free

The missing Chrome Devtools Element Selector

DevTools
SMS Temp

SMS Temp

Free

Receive SMS Online - 100% Free

DevTools
Zeal

Zeal

Free

An offline documentation browser for software developers and testers.

DevTools
Sniffnet

Sniffnet

Free

A user-friendly network monitoring tool, built with Rust, to help you easily keep track of your Internet traffic.

Traffic Listener
ColorContrast.App

ColorContrast.App

Free

Check and suggests colors to meet the required WCAG or APCA contrast ratio.

Accessibility Testing
JSON Crack

JSON Crack

Free Plan

Seamlessly visualize your JSON, XML, TOML, YAML, CSV instantly into graphs!

Data
YATTIE

YATTIE

Free

A tool to help testers test by supporting the entire process of exploratory testing, from gathering evidence to generating test reports.

Exploratory Testing
Faker.js UI

Faker.js UI

Free

Easiliy generate fake (but realistic) data for testing and development using Faker.js.

Test Data Generation
Mockaroo

Mockaroo

Free Plan

Generate up to 1,000 rows of realistic test data in CSV, JSON, SQL, and Excel formats. Free!

Test Data Generation
BugBug

BugBug

Free Plan

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

Automated Checking
Text Cleaner

Text Cleaner

Free

Simple Text cleaner and formatter tool to perform complex operations.

DevTools
JSONFormatter.net

JSONFormatter.net

Free

JSON formatter and validator tool

DevTools
M

Monte Media Library

Free

A Java library for processing media data. Supported media formats include still images, video, audio and meta-data.

Screen Capture
Flashlight

Flashlight

Free

Measure the performance of any Android app 🔦

Performance Testing
A

ANDI

Free

A tool to test web content for accessibility and 508 compliance.

Accessibility Testing
Taiko

Taiko

Free

Taiko is an open source node.js library for testing modern web applications

Automated Checking
Rayrun

Rayrun

Free

Collection of 70+ testing and development productivity tools — all in one place!

DevTools
Infinite Mac

Infinite Mac

Free

Collection of classic Macintosh system releases and software accessible from the web browser.

DevTools
MalwareBazaar

MalwareBazaar

Free

The purpose of the project is to collect and share malware samples.

Security Testing
DamnGood.Tools

DamnGood.Tools

Free

A set of free tools that includes a responsive design tester, detect fonts, Chat with any PDF and more.

DevTools
Trufflehog

Trufflehog

Free

Sniffing out credentials.

Security Testing
Restfox

Restfox

Free

Offline-first web HTTP client

Traffic Listener
Chronos

Chronos

Free

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

DevOps
H

Hermione

Free

A utility for integration testing of web pages using WebdriverIO and Mocha.

Automated Checking
RegExGPT

RegExGPT

Free

Generate regex patterns by inputting an example of the text.

Data
o

openplayground

Free

An LLM playground you can run on your laptop.

Automated Checking
Jest OpenTelemetry

Jest OpenTelemetry

Free

Write, build and run integration tests based on OpenTelemetry traces with Jest-like syntax.

Automated Checking
Accessibility Checker

Accessibility Checker

Free

A free online ADA and WCAG compliance checker.

Accessibility Testing
Pythagora

Pythagora

Free

Pythagora creates automated tests for you by analysing server activity

Automated Checking
WebPerformance Report

WebPerformance Report

Free

Web performance report every week in your inbox.

Performance Testing
X

XSSHunter

Free

Use Docker and Dockery Compose to test and find blind cross-site scripting vulnerabilities.

Security Testing
Beeftext

Beeftext

Free

An open source text substitution tool for Windows.

DevTools