JSON schema for WebExtension manifest files Json Format

.applications

_

.applications.gecko

_

applications.gecko.id - id is the extension ID

applications.gecko.strict_min_version - Minimum version of Gecko to support. Defaults to '42a1'. (Requires Gecko 45)

applications.gecko.strict_max_version - Maximum version of Gecko to support. Defaults to '*'. (Requires Gecko 45)

applications.gecko.update_url - Link to an add-on update manifest. (Requires Gecko 45)

author - "The extension's author, intended for display in the browser's user interface. If the developer key is supplied and it contains the "name" property, it will override the author key. There's no way to specify multiple authors."

.background

_

background.persistent - When false, makes the background page an event page (loaded only when needed).

background.page - Specify the HTML of the background page.

background.scripts A background page will be generated by the extension system that includes each of the files listed in the scripts property.

#	Values	Actions
{{$index+1}}.

.chrome_settings_overrides

_

chrome_settings_overrides.homepage - Defines the page to be used as the browser's homepage.

.chrome_url_overrides

_

chrome_url_overrides.bookmarks - Provide a replacement for the page that shows the bookmarks.

chrome_url_overrides.history - Provide a replacement for the page that shows the browsing history.

chrome_url_overrides.newtab - Provide a replacement for the document that's shown in the "new tab" page

.commands

_

.commands._execute_browser_action

_

commands._execute_browser_action.description

.commands._execute_browser_action.suggested_key

_

commands._execute_browser_action.suggested_key.default

commands._execute_browser_action.suggested_key.mac

commands._execute_browser_action.suggested_key.linux

commands._execute_browser_action.suggested_key.windows

commands._execute_browser_action.suggested_key.chromeos

commands._execute_browser_action.suggested_key.ios

commands._execute_browser_action.suggested_key.android

.commands._execute_page_action

_

commands._execute_page_action.description

.commands._execute_page_action.suggested_key

_

commands._execute_page_action.suggested_key.default

commands._execute_page_action.suggested_key.mac

commands._execute_page_action.suggested_key.linux

commands._execute_page_action.suggested_key.windows

commands._execute_page_action.suggested_key.chromeos

commands._execute_page_action.suggested_key.ios

commands._execute_page_action.suggested_key.android

.commands._execute_sidebar_action

_

commands._execute_sidebar_action.description

.commands._execute_sidebar_action.suggested_key

_

commands._execute_sidebar_action.suggested_key.default

commands._execute_sidebar_action.suggested_key.mac

commands._execute_sidebar_action.suggested_key.linux

commands._execute_sidebar_action.suggested_key.windows

commands._execute_sidebar_action.suggested_key.chromeos

commands._execute_sidebar_action.suggested_key.ios

commands._execute_sidebar_action.suggested_key.android

content_security_policy - This introduces some fairly strict policies that will make extensions more secure by default, and provides you with the ability to create and enforce rules governing the types of content that can be loaded and executed by your extensions and applications.

default_locale - Specifies the subdirectory of _locales that contains the default strings for this extension.

description - A plain text description of the extension

content_scripts Content scripts are JavaScript files that run in the context of web pages.

#	run_at	all_frames	match_about_blank	Actions
{{$index+1}}.	{{row.run_at}}	{{row.all_framesSelected.DisplayText}}	{{row.match_about_blankSelected.DisplayText}}

.developer

_

developer.name

developer.url

devtools_page - A DevTools extension adds functionality to the Chrome DevTools. It can add new UI panels and sidebars, interact with the inspected page, get information about network requests, and more.

homepage_url - The URL of the homepage for this add-on. The add-on management page will contain a link to this URL.

incognito - Specify how this extension will behave if allowed to run in incognito mode.

manifest_version - One integer specifying the version of the manifest file format your package requires.

name - The name of the extension

.omnibox

_

omnibox.keyword - The keyword that will trigger your extension.

optional_permissions Use the optional_permissions key to list permissions which you want to ask for at runtime, after your add-on has been installed.

#	Actions
{{$index+1}}.

.options_ui

_

options_ui.page - The path to an HTML file containing the specification of your options page.

options_ui.browser_style - Use this to include a stylesheet in your page that will make it look consistent with the browser's UI and with other add-ons that use the browser_style property.

options_ui.open_in_tab - If true, the options page will open in a normal browser tab, rather than being integrated into the browser's add-ons manager.

.page_action

_

page_action.browser_style - Use this to include a stylesheet in your popup that will make it look consistent with the browser's UI and with other add-ons that use the browser_style property. Although this key defaults to false, it's recommended that you include it and set it to true.

page_action.default_icon

page_action.default_popup - The popup appears when the user clicks the icon.

page_action.default_title - Tooltip for the main toolbar icon.

permissions permissions

#	Actions
{{$index+1}}.

.protocol_handlers

_

protocol_handlers.name - A string representing the name of the protocol handler. This will be displayed to the user when they are being asked if they want this handler to open the link.

short_name - The short name is typically used where there is insufficient space to display the full name.

.sidebar_action

_

sidebar_action.default_icon

sidebar_action.default_panel - The path to an HTML file that specifies the sidebar's contents.

sidebar_action.default_title - Title for the sidebar. This is used in the browser UI for listing and opening sidebars, and is displayed at the top of the sidebar when it is open.

web_accessible_resources An array of strings specifying the paths (relative to the package root) of packaged resources that are expected to be usable in the context of a web page.

#	Values	Actions
{{$index+1}}.

ToolMatter

Your Apps in Action

Use this form to visualize JSON schema for WebExtension manifest files.

{{repoTitle.MainEntity}}

_

_

_

background.scripts A background page will be generated by the extension system that includes each of the files listed in the scripts property.

_

_

_

_

_

_

_

_

_

content_scripts Content scripts are JavaScript files that run in the context of web pages.

_

_

optional_permissions Use the optional_permissions key to list permissions which you want to ask for at runtime, after your add-on has been installed.

_

_

permissions permissions

_

_

web_accessible_resources An array of strings specifying the paths (relative to the package root) of packaged resources that are expected to be usable in the context of a web page.

{{repoTitle.MainEntity}}

matches Specifies which pages this content script will be injected into.

exclude_matches Excludes pages that this content script would otherwise be injected into.

css The list of CSS files to be injected into matching pages. These are injected in the order they appear in this array, before any DOM is constructed or displayed for the page.

js js

include_globs Applied after matches to include only those URLs that also match this glob. Intended to emulate the @include Greasemonkey keyword.

exclude_globs Applied after matches to exclude URLs that match this glob. Intended to emulate the @exclude Greasemonkey keyword.