The best Software Testing tools and resources on the internet.

Test SMTP connection and see the complete SMTP log.

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

A high-performance HTTP benchmarking tool with real-time web UI and terminal displaying

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

Pythagora creates automated tests for you by analysing server activity

Use LLMs to automatically generate unit tests for npm packages written in JavaScript/TypeScript.

The easiest way to identify fonts on web pages.

View git log, file history, compare branches or commits

VS Code extension to view Git history, diff of committed files, git blame info, stash details, and more.

Real-time Python regular expression editor

A comprehensive evaluation framework for AI agents and LLM applications.

Auto-transform JavaScript comments into Playwright steps

A curated list of Chaos Engineering resources.

#BDD

Dashboard/Report analyzer for load testing with JMeter

An all-in-one test automation solution

Chrome extension that records your browser interactions and generates a Playwright or Puppeteer script.

Unified dashboard summarizing results from the Web Platform Tests (WPT)

A test automation framework for Android devices.

User-friendly resource for learning, validating, and formatting JSON content.

schema builder and data validation and parsing

A free online collaborative whiteboard app

Streamlining JSON Schema Validation in Cypress

Encode & decode strings, bytes, and integers to Base62

Learn to effectively unit test an MVVM app at scale

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

Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.

Your Local API Testing Playground.

A pytest plugin that allows recording network interactions via VCR.py

An open source load testing tool.