Manifest.json Generator

Generate a starter manifest_version 3 JSON with name, version, permissions, and action fields.

Name

Version

Description

Permissions

Output (copy into manifest.json)

{
  "manifest_version": 3,
  "name": "My Extension",
  "version": "1.0.0",
  "description": "Does something useful.",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "action": {
    "default_title": "My Extension",
    "default_popup": "popup.html"
  }
}