Splat + Mesh Viewer will allow you to upload a splat and a gltf file and visualize them in the browser.
Follow these steps:
git clone <repo-url>
cd Splat-mesh-Viewer
npm install
npx vite
This will start the project on your localhost.
After you run the npx vite command in the terminal, open up localhost on your web browser. Now just upload a splat file and a gltf file using the appropriate "Choose file" button at the top.