The best Software Testing tools and resources on the internet.

Finder Toolbar app for macOS to open the current directory in Terminal

No WebDriver required. No manual timeouts needed. Cross-browser testing out-of-the-box.

Open source and self-hostable browser automation library for AI agents

High-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Commonly used software development and testing tools

Get details on any domain, including DNS, WHOIS, certificates, and list of available subdomains.

Manage your npm packages directly from the VS code editor.

Performance and Infra testing

A collection of utilities for Playwright tests at SEON Technologies, designed to make testing more efficient and maintainable.

Paste a password, confidential message, or private data.

Chrome extension that generates API specs for any app or website

A browser extension that adds various web developer tools to a browser.

Browser driver API

Generate JSON data structures for mock data.

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

TCP proxy with variable latency

Run SQL queries on CSV files directly in your browser. No data leaves your browser. Fast, private, and easy to use.

Combining Generative AI, RAG, and computer vision for UI test automation.

Web Application Security Scanner Framework

iOS touch synthesis library

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

Makes JSON easy to read. Open source.

A forward proxy for making third party API calls.

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

A color contrast checker for modern CSS color formats.

The web browser built for scraping

Enhance your productivity and time management skills through focused work intervals and short breaks.

A handy tool to log attributes and Selenide, Selenium, Cypress, Playwright, Squish and TestCafe locators of the clicked element.

Export Cypress Tests from Google Chrome DevTools' Recorder

A curated list of Chaos Engineering resources.