MoQ Relay & Token Tester — Any Relay, Any Draft

Paste a relay URL and token, connect over WebTransport or WebSocket and see exactly what the relay accepts or rejects.

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Help shape MoQ Relay & Token Tester — Any Relay, Any Draft

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Frequently Asked Questions

Cloudflare reads it from the URL path; moq-rs and moq.dev relays read ?jwt=. Auto picks the right one by host, and you can override it. Either way the relay may log it, so use short-lived tokens.

Cloudflare completes the MoQ handshake and then drops the session when the token is invalid, expired, revoked or issued for another relay. The inspector detects this and tells you, instead of showing a vague error.

Yes. http://localhost works with a self-signed development certificate (the client fetches its fingerprint), so you can test moq-relay from moq-rs on your own machine.

Yes. JWT relay tokens are decoded locally to show the allowed operations and expiry. The signature is only verified by the relay.

MoQ Relay Tester — Cloudflare, moq.dev & moq-rs - Privacy-First, Offline Developer Tool

Global Architecture: This tool runs entirely in your browser using WebAssembly. Unlike server-side alternatives, your data (JWTs, Logs, SQL) never leaves this device. It works offline and handles massive files (1GB+) bounded only by your RAM.