To DeepL translation

Right-click on a section of text and click on "To DeepL" to translate it to your language. Default language is selected in extension preferences.

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manifest.json

{
  "manifest_version": 2,
  "name": "To DeepL",
  "version": "0.9.3",
  "description": "Translate selected text in new tab with DeepL",
  "homepage_url": "https://github.com/rewkha/firefox-to-deepl",
  "icons": {
    "48": "icons/icon.svg"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "browser_style": true,
    "page": "options/options.html",
    "open_in_tab": false
  },
  "commands": {
    "translate-text": {
      "description": "Send the selected text to DeepL"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{db420ff1-427a-4cda-b5e7-7d395b9f16e1}"
    }
  }
}