tauri/examples/file-associations/src-tauri/tauri.conf.json

{
  "$schema": "../../../tooling/cli/schema.json",
  "identifier": "com.tauri.dev-file-associations-demo",
  "build": {
    "frontendDist": ["../index.html"]
  },
  "app": {
    "security": {
      "csp": "default-src 'self'"
    }
  },
  "bundle": {
    "active": true,
    "targets": "all",
    "icon": [
      "../../.icons/32x32.png",
      "../../.icons/128x128.png",
      "../../.icons/128x128@2x.png",
      "../../.icons/icon.icns",
      "../../.icons/icon.ico"
    ],
    "fileAssociations": [
      {
        "ext": ["png"],
        "mimeType": "image/png"
      },
      {
        "ext": ["jpg", "jpeg"],
        "mimeType": "image/jpeg"
      },
      {
        "ext": ["gif"],
        "mimeType": "image/gif"
      }
    ]
  }
}