Device Info - Screen & Pixel

Request a USB device and communicate with it using the Web USB API. See vendor and product IDs. Experimental.

Developer Tools API console device Web USB

Generate secure random numeric or alphanumeric pairing codes for devices. Easy for user onboarding. Local.

Developer Tools device generator pairing code random

Enter a URL and view it in three iframes: mobile, tablet, and desktop side‑by‑side. Quick responsive check.

Developer Tools device responsive test viewport

Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.

Developer Tools browser device parser user agent

Tag: Device Info - Screen & Pixel