The best Software Testing tools and resources on the internet.
Over 500+ awesome tools and resources on the internet to supercharge your testing.
CrowdView
FreeSearch exclusively on forum websites.
🤖 a11y-ai
FreeAutomatically detect accessibility issues in web pages using AI
WebPerf-Snippets
FreeA curated list of snippets to get Web Performance metrics.

ModHeader
FreeModify HTTP request headers, response headers, and redirect URLs

Mailpit
FreeAn email and SMTP testing tool with API for developers and automated integration testing.
Winded
FreeAn online tool to test responsive layouts that lets you view multiple device sizes simultaneously, just enter a URL to test.

Try
FreeInspect a command's effects before modifying your live system

Kanboard
FreeKanboard is a free and open source Kanban project management software

Automize
FreeThe missing Chrome Devtools Element Selector

SMS Temp
FreeReceive SMS Online - 100% Free

Zeal
FreeAn offline documentation browser for software developers and testers.

Sniffnet
FreeA user-friendly network monitoring tool, built with Rust, to help you easily keep track of your Internet traffic.
ColorContrast.App
FreeCheck and suggests colors to meet the required WCAG or APCA contrast ratio.

JSON Crack
Free PlanSeamlessly visualize your JSON, XML, TOML, YAML, CSV instantly into graphs!

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

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

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

BugBug
Free PlanAutomate web app testing easier than ever. Without excessive costs. Faster than coding. Free forever.
Text Cleaner
FreeSimple Text cleaner and formatter tool to perform complex operations.

JSONFormatter.net
FreeJSON formatter and validator tool
Monte Media Library
FreeA Java library for processing media data. Supported media formats include still images, video, audio and meta-data.

Flashlight
FreeMeasure the performance of any Android app 🔦
ANDI
FreeA tool to test web content for accessibility and 508 compliance.
Taiko
FreeTaiko is an open source node.js library for testing modern web applications
Rayrun
FreeCollection of 70+ testing and development productivity tools — all in one place!

Infinite Mac
FreeCollection of classic Macintosh system releases and software accessible from the web browser.
MalwareBazaar
FreeThe purpose of the project is to collect and share malware samples.
DamnGood.Tools
FreeA set of free tools that includes a responsive design tester, detect fonts, Chat with any PDF and more.

Trufflehog
FreeSniffing out credentials.

Restfox
FreeOffline-first web HTTP client

Chronos
FreeMonitors the health and web traffic of servers, microservices, Kubernetes/Kafka clusters, containers, and AWS services.
Hermione
FreeA utility for integration testing of web pages using WebdriverIO and Mocha.

RegExGPT
FreeGenerate regex patterns by inputting an example of the text.
openplayground
FreeAn LLM playground you can run on your laptop.

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

Accessibility Checker
FreeA free online ADA and WCAG compliance checker.

Pythagora
FreePythagora creates automated tests for you by analysing server activity

WebPerformance Report
FreeWeb performance report every week in your inbox.
XSSHunter
FreeUse Docker and Dockery Compose to test and find blind cross-site scripting vulnerabilities.

Beeftext
FreeAn open source text substitution tool for Windows.