Devices and Browsers

Browser information, input devices, screen, and permission testing.

12 tools4 Functional patterns

Read the text clipboard only after the user clicks and grants permission, and display it only on the current page; requires browser clipboard API and a secure context.

Local browser processingDevice access required

Devices and Browsers

Only check KeyboardEvent’s key, code, location, repeat, modifier keys, and history when focus is in the capture area.

Local browser processing

Devices and Browsers

Check key presses, releases, combinations, simultaneous key states, and tested-key progress on the visual keyboard.

Local browser processing

Devices and Browsers

With user authorization, select a microphone, view real-time volume and waveform data, and make short recordings for playback.

Local browser processingDevice access required

Devices and Browsers

View screen information and switch among solid colors, grayscale, gradients, grids, color temperature, and text sharpness test patterns in full-screen mode.

Local browser processing

Devices and Browsers

Use the browser EyeDropper to pick a screen color and display the HEX value; supported only in browsers that provide this API and allow color picking.

Local browser processingDevice access required

Devices and Browsers

Preview the camera feed and inspect media tracks after user authorization.

Local browser processingDevice access required

Devices and Browsers

Displays buttons, coordinates, and scroll amounts in real time for move, press, release, wheel, and right-click events in the test area.

Local browser processing

Devices and Browsers

Aggregates publicly available browser information such as UA, platform, language, time zone, screen, and hardware concurrency; does not generate a persistent fingerprint identifier.

Local browser processing

Devices and Browsers

Only checks whether the browser has API. Displays a capability matrix including files, Canvas, WebCrypto, and WebCodecs. Does not request permissions.

Local browser processing

Devices and Browsers

Generate plans and risk notifications locally in the browser based on disk, GPT/MBR, UEFI/BIOS, system, and partition requirements, without writing to disk.

Local browser processing

Devices and Browsers