Web Build Host - Local/Public Host & Console for Web Builds
Make Games Play
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Serve your Unity WebGL or WebGPU build to any device over HTTPS, and watch each device's browser console live in the Editor. Dependency-free: a tiny bundled server, no Python or Node.WebGL Build Host runs your Unity Web build on real devices and brings each device's browser console into the Editor. Point it at your build folder, press Start, scan the QR code, and watch what actually happens on the device.📱 Open the build on any deviceA QR code and copyable URLs point straight to your build. Served over HTTPS on your LAN, so every device gets the secure context browsers require for camera, microphone, WebXR, and multithreading. Self-healing port selection means a busy port never blocks a start.🖥️ A live console for every deviceEach connected browser gets its own Editor tab streaming console output and uncaught errors as they happen. Colour-coded levels, filters, search, frame numbers, and duplicate collapsing. Per-device Reload, Identify, and a one-click Markdown bug report, plus copy, save to file, and clear.🌐 Optional public linkServe through a free Cloudflare quick tunnel (no account needed) for remote testers, networks that block device-to-device traffic, or phones on mobile data. The window detects cloudflared and shows the install command if it is missing.⚙️ Loads Unity Web builds correctlySends the headers Unity needs: .br and .gz encoding, application/wasm, and COOP/COEP, so builds stream in fast and SharedArrayBuffer works. Development Builds are served uncached, so a device reload always picks up your latest build.🧩 Stays out of your wayThe server is its own process and keeps serving through recompiles, new builds, and Editor restarts. Dependency-free: a single small native server per Editor OS, no Python or Node.Unity 2022.3 LTS and newer, including the Unity 6 Web platform (WebGL and WebGPU). Editor on Windows, macOS, and Linux.More from MakeGamesPlayBuilding AR for the web? WebAR Image Tracker for Unity puts image-target augmented reality in mobile and desktop browsers.✅ RequirementsUnity 2022.3 LTS or newer, including the Unity 6 Web platform (WebGL and WebGPU)Editor OS: Windows, macOS (Apple Silicon or Intel), or LinuxOptional: cloudflared, only for the public link📦 What's includedEditor window (UI Toolkit) and a prebuilt native server for each Editor OS, unpacked on demandNo Python, Node, or other runtime to installUser Guide PDF included; full documentation and source on GitHub (MIT licensed)⚙️ Technical notesServes over HTTP and self-signed HTTPS on the local network; ports self-select when busySends the headers Unity Web builds need: Content-Encoding for .br and .gz, application/wasm, and COOP/COEPThe server runs as a detached process and survives recompiles, new builds, and Editor restartsDevice logs are buffered server-side, so the Editor window can reconnect without losing them
