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Browserling provides live interactive online browser sessions on real desktop browsers running in virtual machines, without emulators. It offers access to Chrome, Internet Explorer, Firefox, Opera, Edge and Safari versions, screenshots, responsive testing, and SSH tunnels for local testing. Mobile testing and session video recording are listed as coming soon.
Browser Tamer helps compare, test, package, or manage web browsers and browser-based apps.
BrowserBench.org hosts browser benchmarks. Speedometer measures the responsiveness of web applications and is maintained by major browser engine developers under an open governance model. JetStream 3.0 is a JavaScript and WebAssembly benchmark suite focused on advanced web applications. MotionMark tests browser graphics systems.
Just the Browser provides configuration files, documentation and installation scripts that remove AI features, telemetry data reporting, sponsored content and product integrations from desktop web browsers, using hidden settings intended for organizations. It includes manual guides for Google Chrome, Microsoft Edge, Firefox and Brave, and the project is open-source on GitHub.
A page comparing the most popular cross-platform desktop and mobile browsers and their features. It limits testing to seven browsers available on PCs and phones and excludes regional browsers. It includes tables on developer, engine, and usage share, and states it was last updated on 13 October 2026.
The Online Tone Generator generates pure tones of any frequency in a web browser. It supports adjusting frequency, changing wave type, and mixing tones across browser tabs, and lists uses such as tuning instruments, testing audio equipment, and testing hearing.
PrivacyTests.org is an open-source privacy audit that subjects major web browsers to automated tests. It covers desktop browsers, private modes, iOS and Android browsers, and nightly builds, and reports results across privacy test categories.
Key Test is an online tool for checking keyboard button functionality directly in a web browser. Users can test individual keys by pressing them, with specific guidance for testing Fn keys in combination with other common inputs. The service notes that all testing is performed at the user's own risk, and recommends contacting a service center if users are uncertain whether a key issue is hardware or software related.
Gemini helps compare, test, package, or manage web browsers and browser-based apps.
Kera helps compare, test, package, or manage web browsers and browser-based apps.
MouseTester.io is a browser-based tool for testing mouse buttons, wheel, polling rate and double-click behavior. It uses browser pointer events to report click response and polling rate data without drivers or downloads, and runs tests locally in the browser.
Ui.Vision RPA is an open-source browser and desktop automation tool for building reusable macros. It offers web automation, desktop automation, web scraping, UI testing and test automation, using visual recording, Selenium-style commands or a JavaScript API. The V10 release adds an AI macro assistant and an MCP bridge for connecting AI assistants. The browser extension is available for Chrome, Edge and Firefox.
VsyncTester is a web-based tool for checking browser VSYNC synchronization, display refresh rate, and input lag. The site also links to related test tools, including a display Hz tester and a GPU memory usage tool, and to pages documenting VSYNC issues in Chrome.
WPT helps compare, test, package, or manage web browsers and browser-based apps.
ReCAPTCHA Demo is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
Democaptcha is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
A collection of browser-based utilities for formatting, converting and generating data locally in the browser. It includes tools for JSON formatting, password generation, word counting, Base64 encoding, color conversion and regex testing, organized into packs such as JSON & Data and PDF Toolkit. The site states tools run locally without leaving the tab.
Rambox is a desktop workspace that organizes work apps, accounts and workflows in one place. It offers customizable workspaces, session management, multi-login for multiple accounts of the same app, a tile view and more than 700 ready-to-use apps, plus custom web apps. A focus mode pauses notifications. Plans are Basic, Pro and Teams; new accounts start with a 30-day Pro trial.
reCAPTCHA test is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
manage is related to CAPTCHA testing, solving, demos, or browser tools for verification pages.
Selenium is an umbrella project of tools and libraries for automating web browsers. It provides extensions to emulate user interaction and infrastructure for W3C WebDriver implementations, letting developers write interchangeable code for major browsers. It is primarily used for automating web applications for testing.
Wide Gamut is a tool for testing a device's color compatibility. Its home page shows detected display color support and reports browser, operating system, screen size and color depth. The page states Firefox does not support this test and recommends using an updated browser such as Safari, Brave, Chrome, Opera, Edge or Arc.
Browser-isolated workspace platform for running apps, desktops, and disposable sessions in containers.
Disroot Bin is an encrypted pastebin powered by PrivateBin. The page states that giving the URL to anyone allows them to access the note, and that it requires a modern browser such as Firefox, Opera or Chrome. It also notes that the site is using an insecure connection and should only be used for testing.
