Testing & QA

Find what is silently broken on your site

Measure mouse DPI and test hardware performance

Find and fix accessibility barriers for EU compliance

AI agent benchmarks and live traces platform

Configurable website traffic for analytics testing

Test analytics for GitHub

Crash-test customer-facing AI agents for production

A deterministic accountability layer for AI voice agents.

Privacy-first Postman alternative in VS Code, zero cloud

Scan a live site, generate a test framework you own

LaTeX Accessibility Checker - WCAG 2.1 AA / ADA Title II

Validate score and optimize AI prompts

Autonomous QA for apps you didn't hand-code

File-based API testing in VS Code

Automate every click, effortlessly.

Realistic mock APIs for builders

Survival game benchmark for AI agents and LLMs

E2E tests in plain English, the way it should be

Mobile and tablet simulator browser extension

Website audits that catch invisible text and contrast bugs

AI coding agent for C and C++ Developers

AI QA Tester

Access real Android devices in the cloud

Capture UI issues and push them to Linear or Jira

Format, repair, query and compare JSON locally — no uploads.

Stop troubleshooting at the start of meetings.

Lint JSON schemas against LLM provider constraints

Desktop client for testing Protobuf and gRPC APIs

Forex simulator and synthetic market data platform

Programmatic end-to-end testing for software apps

Automate curated newsletter subscriptions

Verify AI-built apps before launch with automated scans

Free browser tools to test mics speakers and latency

URDF viewer and MuJoCo simulator for Apple devices

Connect with verified testers for honest app feedback

Create real test inboxes for your test suite via API

Generate unlimited Gmail dot address variations

Remote QA testing services for startups

Compare two .tex files in your browser

Screenshots That Actually Look Pro

Two-factor knowledge validation for academic integrity

Debug GraphQL and AI-powered API traffic

Plain English in. Self-healing, reusable tests out. Real iOS

A terminal with buttons

Quiet calculators and browser tools with clear results

Compare differences between two texts online instantly

Generate secure random numbers instantly within any range

A hub for sharing and testing vibe-coded projects

Review commits and PRs before they reach main

Write tests in natural language. QA harness for web & mobile