Settings

Done

Device

Device name Shown to other devices. Leave blank to use the automatic name. Appearance

System Light Dark

Room

Require a PIN to joinA 4-digit PIN is shown next to the QR code and is never part of the link. Keep the same code on this deviceReloading the page keeps the room code and QR so saved links stay valid. Use New code on the main page to rotate it.

Receiving

Accept incoming files automaticallyOff means each file waits for you to tap Accept. Download received files automaticallyTriggers the browser download as soon as a file finishes. Ignored when a save folder is set. Show previewsInline images, video, audio, and small text files. Notify me when something arrivesBrowser notification when this tab is in the background. Play a soundA short chime when a file or message arrives.

Transfer

Chunk size Larger chunks are faster but some browser pairs drop messages over 64 KB. If transfers stall, go smaller.

Connection

Leave these blank to use the free public PeerJS signaling server. Only the connection setup goes through it; file data travels device to device.

Signaling host Port Path Key

TLS TURN credentials URL (recommended) A relay (TURN) server is what makes Beam work when the two devices are on different networks. Free tiers exist: at metered.ca create an app, copy the "credentials URL" with your API key, and paste it here (restrict the key to your Beam domain in their dashboard). Beam fetches fresh short-lived credentials from it each time a room is created or joined and adds them to the servers below. ICE servers (JSON array) STUN servers plus any TURN server with fixed credentials, for example your own coturn: { "urls": "turn:turn.example.com:3478", "username": "u", "credential": "p" }

Connection settings take effect the next time a room is created or joined.

Connection check

Scans this device for things that stop Beam from connecting: VPNs, blocked UDP, unreachable STUN or TURN servers, extensions that disable WebRTC, strict NAT, and more. Takes about 30 seconds and stays in your browser.

Backup and reset

Settings live in this browser only. Export them to move to another device.

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