← Device Access
WebUSB
Probing…WebUSB is a web platform capability in the Device Access category. Talk to USB devices directly from the page. Supported in Chromium 61+; not available in Firefox and Safari. Requires a secure context (HTTPS or localhost) and a user gesture such as a click or tap.
Secure contextUser gesture
Try it
Loading demo…
Code
const device = await navigator.usb.requestDevice({ filters: [] })
console.log(device.productName, device.manufacturerName)
console.log('VID/PID', device.vendorId, device.productId)
console.log('Configurations:', device.configurations.length)
// Note: we only read descriptors — no device.open()/claimInterface()Browser support
Chromium
61
Firefox
No
Safari
No
Frequently asked questions
Which browsers support WebUSB?
Supported in Chromium 61+; not available in Firefox and Safari.
Does WebUSB require HTTPS?
Yes. WebUSB needs a secure context, so it only works over HTTPS (or on localhost during development).
What is WebUSB used for?
Talk to USB devices directly from the page.
Can I try WebUSB in my browser?
Yes. shwcs.net runs a live WebUSB demo that probes your current browser and lets you try the API. Everything runs locally — nothing is sent anywhere.