Multiple independent sessions. Device emulation. Network inspection. API mocking. Everything a QA engineer needs in one window.
Stop juggling browser extensions, proxy tools, and DevTools plugins. Every QA capability lives natively in one browser.
Download, open, test. No setup wizards, no config files, no dependency chains. Works out of the box on every platform.
No license keys, no usage limits, no telemetry. Built by QA engineers, for QA engineers.
Every feature designed to save time and catch bugs faster.
Open multiple browser windows, each with its own cookies, storage, and device profile. Test multi-user flows simultaneously.
Switch between iPhone, Galaxy, iPad, and Desktop profiles instantly. Custom resolutions and User-Agent strings included.
Full HTTP, WebSocket, and console log capture. Filter, search, and inspect every request and response in real time.
Intercept any API call and replace its response on the fly. Test error states, edge cases, and loading scenarios without touching the backend.
Simulate 3G, slow connections, or full offline mode. See exactly how your application behaves under poor network conditions.
Freeze JavaScript execution instantly. Inspect transient UI states, tooltips, dropdowns, and animations that normally disappear.
File bugs directly from the browser with auto-attached screenshots. Configurable for your team's preferred tracking system.
Add and switch between your test environments in one click. Manage staging, development, and production URLs from a single panel.
Purpose-built dark interface optimized for extended testing sessions. Reduced eye strain during long QA cycles.
Record user interactions and export them directly as Playwright or Cypress test scripts. Point, click, get tests.
Hover any element and copy its optimal test selector. CSS, XPath, data-testid -- always the most stable selector available.
Continuous background recording of all browser windows. Find a bug, scrub the timeline, extract a fragment, attach to Jira.
Download for your platform. Updated automatically with each release.
Latest release. Free for everyone.