Got it, let's break down your problem—since Vuforia doesn't support WebGL builds, there are reliable tools and workflows to get your AR app running in the browser. Here are the top options and how to implement them:

1. AR Foundation + ARCore/ARKit WebXR Plugin (Official Unity Solution) #

This is the most "native" Unity approach, leveraging Unity's own AR abstraction layer with WebXR support.

• What it offers: Supports image tracking, plane detection, SLAM, and basic AR interactions—just like Vuforia, but optimized for WebGL.
• Implementation Steps:
  • Install the AR Foundation package via Unity Package Manager first.
  • Add the ARCore WebXR Plugin (for Android browsers) and ARKit WebXR Plugin (for iOS Safari) packages.
  • Replace your Vuforia components: Swap Image Target with AR Foundation's Image Tracking Manager, and set up your tracked content as you would normally.
  • Configure WebGL Player Settings: Enable WebXR under XR Plug-in Management, set Rendering Path to Forward, and tweak compression settings to keep your build size manageable.
  • Build and test: Use Unity's local WebGL server to test, or upload to a hosting service that supports HTTPS (required for camera access in browsers).

2. 8th Wall (Web-First AR Tool) #

8th Wall is a dedicated Web AR platform with a robust Unity integration, designed to work across all modern browsers without app installs.

• What it offers: Advanced image tracking, 3D object tracking, plane detection, and even face tracking. It handles cross-browser compatibility out of the box.
• Implementation Steps:
  • Import the 8th Wall Unity plugin into your project.
  • Create an 8th Wall project (via their console) and upload your target images/3D assets for tracking.
  • Replace Vuforia's tracking components with 8th Wall's equivalent (e.g., ImageTarget script from their SDK).
  • Use 8th Wall's WebGL build template to package your app—this includes all necessary WebXR boilerplate code.
  • Deploy to their hosting or your own HTTPS server.

3. ZapWorks (Web AR with Unity Support) #

ZapWorks is another popular Web AR tool that integrates smoothly with Unity, great for both simple and complex AR experiences.

• What it offers: Image tracking, markerless plane detection, 3D content placement, and interactive elements.
• Implementation Steps:
  • Install the ZapWorks Unity plugin and link it to your ZapWorks account.
  • Upload your target images or markers to the ZapWorks platform to generate tracking data.
  • In Unity, use ZapWorks' ZapManager and ImageTarget components to set up your AR scene.
  • Build for WebGL using ZapWorks' custom build template, which handles browser compatibility and camera permissions.

• Replace Vuforia Components Gradually: Don't rewrite everything at once—swap one component (like image tracking) first, test, then move to others.
• Optimize for WebGL: WebGL has stricter performance limits than native:
  • Reduce model polygon counts (aim for under 10k faces per object).
  • Compress textures using Unity's texture compression tools.
  • Disable heavy effects like real-time shadows or post-processing unless absolutely necessary.
• Handle Browser Permissions: Make sure your code requests camera access explicitly—most browsers block it by default. Use tool-specific callbacks to handle permission denial gracefully.
• Test Across Browsers: Test on Chrome, Edge, and Safari (iOS 15+) to ensure compatibility—WebXR support varies slightly between browsers.

内容的提问来源于stack exchange，提问作者Anup G Prasad