The best Software Testing tools and resources on the internet.

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

Screen Ruler

Screen Ruler

Free

Measure sizes, distances, margins and paddings of any element on any web page.

Exploratory Testing
Templates by Paul

Templates by Paul

Free

Free Google Docs templates for general use and productivity like project tracking, problem solving, 1:1s, and lots more.

Learn Software Testing
Kopier

Kopier

Free

Kopier keeps your links handy, so you'll never have to search them again

Task Management
Open Graph Tester

Open Graph Tester

Free

Preview and test your website's Open Graph data

Screen Capture
C

Cypress Schema Validator

Free

Lightweight Cypress plugin for API schema validation. It leverages both the AJV validator (for plain JSON schemas, Swagger documents, and OpenAPI schemas) and the Zod validator (for Zod schemas).

API Testing
Pythex

Pythex

Free

Real-time Python regular expression editor

Data
N

Nuclei Templates

Free

Community curated list of templates for the nuclei engine to find security vulnerabilities in applications.

Security Testing
xScope

xScope

$50 USD for 1 license

Measure, Inspect and Test

Exploratory Testing
Loop

Loop

Free

A macOS app that simplifies window management for you.

DevTools
ReqBin

ReqBin

Free

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

API Testing
Restfox

Restfox

Free

Offline-first web HTTP client

Traffic Listener
SSR Checker

SSR Checker

Free

Quick and visual way to verify server-side rendering (SSR) on any web page.

DevTools
regular expressions 101

regular expressions 101

Free

Regex101.com is an interactive regular expression console that lets you debug your expressions in real-time.

Data
Responsive Viewer

Responsive Viewer

Free

Show multiple screens once, Responsive design tester.

Automated Checking
The Android Ally

The Android Ally

Free

Get faster access to Android device accessibility features.

Accessibility Testing
SLS Test Tools

SLS Test Tools

Free

Custom Jest Assertions for Serverless integration testing.

Automated Checking
MS Visual Studio

MS Visual Studio

Free

Edit and debug on any OS

IDE
SlimImg

SlimImg

Free

Compress JPG, PNG & WebP images locally in your browser. No uploads, privacy-safe, free image optimization with up to 90% size reduction.

DevTools
ModHeader

ModHeader

Free

Modify HTTP request headers, response headers, and redirect URLs

Exploratory Testing
H

Hermione

Free

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

Automated Checking
CursorChat Downloader

CursorChat Downloader

Free

Exports and browses your Cursor AI chat history

AI Testing
Regex Vis

Regex Vis

Free

🎨 Regex visualizer & editor

Data
SikuliX

SikuliX

Free

Automation of GUI components with mouse and keyboard actions.

Desktop Automation
Cypress Example Recipes

Cypress Example Recipes

Free

Various recipes for testing common scenarios with Cypress

Automated Checking
CLI Testing Library

CLI Testing Library

Free

🐨 Simple and complete CLI testing utilities that encourage good testing practices.

Automated Checking
Password Tech

Password Tech

Free

Password generator and password manager for Windows with full Unicode support.

DevTools
Applitools Eyes

Applitools Eyes

Free version

Visual comparisons between different snapshots of a website or mobile app.

Automated Checking
AnyPass

AnyPass

Free

Multiplatform app for your all-in-one password management.

DevTools
PasteSafely

PasteSafely

Free

A Pastebin alternative

DevTools
Xenu's Link Sleuth

Xenu's Link Sleuth

Free

Find and fix your site’s broken links

Exploratory Testing