Permissions Chrome extensions

Every permission observed on Chrome, read from each listing's manifest, with a plain-English description and how many live extensions request it.

Permission What it lets an extension do Sensitive Chrome extensions
storage Save its own settings and data locally 208,461
activeTab See the page you're currently viewing, only when you click the extension 105,178
scripting Run scripts on web pages you visit 87,941
tabs See your open tabs and the pages you're on 73,992
alarms Schedule its code to run at a later time 42,178
contextMenus Add items to your right-click menu 34,732
sidePanel Show its own panel at the side of your browser 29,432
notifications Show you desktop notifications 27,766
downloads Start downloads and see your download history 19,382
unlimitedStorage Save an unlimited amount of its own data locally 18,303
identity Get your basic account/profile information for sign-in 18,139
cookies Read and change your cookies, which can include login sessions ⚠ yes 14,799
offscreen Run a hidden page to do background work, such as playing audio or reading documents 14,264
clipboardWrite Write to your clipboard 13,906
webNavigation See what pages you navigate to and when 10,460
declarativeNetRequest Block or modify web requests using a predefined rule set 10,306
webRequest See the web requests your browser makes, including URLs you visit ⚠ yes 9,296
search Run searches with your default search engine 4,957
bookmarks Read and change your bookmarks 4,592
declarativeNetRequestWithHostAccess Block or modify web requests, with access to the content of matched sites 4,269
clipboardRead Read the contents of your clipboard ⚠ yes 4,216
windows Open, close and arrange your browser windows 3,822
debugger Attach to your tabs' debugger, giving it deep access to page content and network traffic ⚠ yes 3,817
tabGroups Organise your tabs into groups 3,801
tabCapture Record the picture and sound of your browser tabs ⚠ yes 3,487
nativeMessaging Exchange messages with a program installed on your computer ⚠ yes 3,426
favicon Show the icons of websites 2,914
history Read and change your browsing history ⚠ yes 2,519
idle Detect when your computer is idle or locked 2,436
system.display Read details of your displays 2,377
webview Show web pages inside its own windows 2,163
identity.email See the email address of your browser account 2,126
geolocation See your physical location 2,067
proxy Control how your browser connects to the internet, including routing traffic through other servers ⚠ yes 2,040
background Keep running in the background, even when no windows are open 1,992
management View, enable, or disable your other installed extensions ⚠ yes 1,769
power Stop your computer or screen from going to sleep 1,557
browsingData Delete your browsing data, such as history, cookies and downloads ⚠ yes 1,498
topSites See the sites you visit most often 1,329
declarativeNetRequestFeedback See which of your web requests its blocking rules matched 1,255
accessibilityFeatures.read Read your accessibility settings 1,251
videoCapture Use your camera ⚠ yes 1,174
webRequestAuthProvider Answer login prompts from websites and proxies on your behalf ⚠ yes 1,133
commands Respond to keyboard shortcuts 1,009
desktopCapture Capture your screen, a window or a tab ⚠ yes 967
pointerLock Hide and capture your mouse pointer inside its window 909
tts Read text aloud 858
accessibilityFeatures.modify Change your accessibility settings 845
declarativeContent Act on pages based on their content, without reading it 829
sessions See recently closed tabs and tabs open on your other devices 789
privacy View and change your browser's privacy and security settings ⚠ yes 667
fullscreen Make its window fill your screen 630
system.memory Read how much memory your computer has 512
audioCapture Use your microphone ⚠ yes 445
contentSettings Change which websites may use your camera, microphone, location, cookies and more ⚠ yes 408
gcm Receive push messages from its developer 382
system.cpu Read details of your processor 373
userScripts Run user scripts - code that did not ship with the extension - on the pages you visit ⚠ yes 370
downloads.open Open files you have downloaded ⚠ yes 350
serial Connect to devices on your computer's serial ports ⚠ yes 336
alwaysOnTopWindows Keep its windows above all others 292
system.network Read details of your network adapters 263
fileSystem Open files and folders you choose on your computer 226
overrideEscFullscreen Stop the Esc key from leaving full screen in its window 197
pageCapture Save complete copies of the pages you visit 196
browser Open new tabs in your browser 188
webRequestBlocking See and block or modify web requests before they complete ⚠ yes 179
enterprise.deviceAttributes Read your device's serial number and asset tags on managed devices 175
usb Connect to USB devices plugged into your computer ⚠ yes 167
fontSettings Change your browser's font settings 150
system.storage Read details of your storage devices 149
downloads.ui Change how the downloads bar looks 148
downloads.shelf Show or hide the downloads bar 130
readingList Read and change your reading list 116
hid Connect to keyboards, game controllers and other input devices ⚠ yes 113
app.window.fullscreen Make its window fill your screen 92
microphone Use your microphone ⚠ yes 88
printerProvider Offer printers to your browser's print dialog 86
app.window.fullscreen.overrideEsc Stop the Esc key from leaving full screen in its window 82
permissions Ask you for more permissions while it runs 76
syncFileSystem Store its own files in your cloud storage 75
action Nothing - this is a manifest setting, not a permission 73
omnibox Add a keyword to your address bar 57
runtime Nothing - this is not a real permission, so listing it grants no access 57
unlimited_storage Requests the "unlimited_storage" capability. 57
fileSystem.write Write to files and folders you choose on your computer 52
app.window Requests the "app.window" capability. 49
audio Requests the "audio" capability. 48
input Requests the "input" capability. 38
app.window.alwaysOnTop Requests the "app.window.alwaysOnTop" capability. 36
ttsEngine Provide a voice for reading text aloud 33
enterprise.networkingAttributes Requests the "enterprise.networkingAttributes" capability. 31
webAuthenticationProxy Requests the "webAuthenticationProxy" capability. 28
wallpaper Requests the "wallpaper" capability. 27
mdns Requests the "mdns" capability. 25
processes Requests the "processes" capability. 25
enterprise.platformKeys Requests the "enterprise.platformKeys" capability. 24
pushMessaging Requests the "pushMessaging" capability. 24
fileSystem.retainEntries Requests the "fileSystem.retainEntries" capability. 23
enterprise.hardwarePlatform Requests the "enterprise.hardwarePlatform" capability. 22
fileSystemProvider Requests the "fileSystemProvider" capability. 21
clipboard Requests the "clipboard" capability. 20
camera Requests the "camera" capability. 17
aiLanguageModelOriginTrial Requests the "aiLanguageModelOriginTrial" capability. 15
i18n Requests the "i18n" capability. 14
printing Requests the "printing" capability. 14
theme Requests the "theme" capability. 14
host_permissions Requests the "host_permissions" capability. 13
networking.onc Requests the "networking.onc" capability. 13
clipboard-write Requests the "clipboard-write" capability. 12
fileBrowserHandler Requests the "fileBrowserHandler" capability. 12
virtualKeyboard Requests the "virtualKeyboard" capability. 11
searchProvider Requests the "searchProvider" capability. 10
externally_connectable Requests the "externally_connectable" capability. 9
platformKeys Requests the "platformKeys" capability. 9
certificateProvider Requests the "certificateProvider" capability. 8
devtools Requests the "devtools" capability. 8
menus Requests the "menus" capability. 8
metricsPrivate Requests the "metricsPrivate" capability. 8
dns Requests the "dns" capability. 7
documentScan Requests the "documentScan" capability. 6
fileSystem.directory Requests the "fileSystem.directory" capability. 6
INTERNAL_SPEAKER Requests the "INTERNAL_SPEAKER" capability. 5
app.window.shape Requests the "app.window.shape" capability. 5
bluetooth Requests the "bluetooth" capability. 5
browserAction Requests the "browserAction" capability. 5
incognito Requests the "incognito" capability. 5
languageModel Requests the "languageModel" capability. 5
loginState Requests the "loginState" capability. 5
networking Requests the "networking" capability. 5
networking.config Requests the "networking.config" capability. 5
publicSuffix Requests the "publicSuffix" capability. 5
activetab See the page you're currently viewing, only when you click the extension 4
appview Requests the "appview" capability. 4
browser_action Requests the "browser_action" capability. 4
chromeosInfoPrivate Requests the "chromeosInfoPrivate" capability. 4
enterprise.login Requests the "enterprise.login" capability. 4
session Requests the "session" capability. 4
terminalPrivate Requests the "terminalPrivate" capability. 4
vpnProvider Requests the "vpnProvider" capability. 4
aiLanguageModel Requests the "aiLanguageModel" capability. 3
copyText Requests the "copyText" capability. 3
developerPrivate Requests the "developerPrivate" capability. 3
documentPictureInPicture Requests the "documentPictureInPicture" capability. 3
feedbackPrivate Requests the "feedbackPrivate" capability. 3
imageWriterPrivate Requests the "imageWriterPrivate" capability. 3
location Requests the "location" capability. 3
networkingPrivate Requests the "networkingPrivate" capability. 3
os.diagnostics Requests the "os.diagnostics" capability. 3
os.events Requests the "os.events" capability. 3
os.telemetry Requests the "os.telemetry" capability. 3
os.telemetry.serial_number Requests the "os.telemetry.serial_number" capability. 3
system Requests the "system" capability. 3
web_accessible_resources Requests the "web_accessible_resources" capability. 3
window Requests the "window" capability. 3
account360 Requests the "account360" capability. 2
activeTabs Requests the "activeTabs" capability. 2
app.runtime Requests the "app.runtime" capability. 2
app.window.alpha Requests the "app.window.alpha" capability. 2
crashReportPrivate Requests the "crashReportPrivate" capability. 2
crypto Requests the "crypto" capability. 2
declarativeWebRequest Requests the "declarativeWebRequest" capability. 2
declarative_net_request Requests the "declarative_net_request" capability. 2
displayCapture Requests the "displayCapture" capability. 2
dom Requests the "dom" capability. 2
eTab Requests the "eTab" capability. 2
enterprise.remoteApps Requests the "enterprise.remoteApps" capability. 2
extension Requests the "extension" capability. 2
eyeDropper Requests the "eyeDropper" capability. 2
host Requests the "host" capability. 2
local-fonts Requests the "local-fonts" capability. 2
login Requests the "login" capability. 2
network.config Requests the "network.config" capability. 2
os.attached_device_info Requests the "os.attached_device_info" capability. 2
os.bluetooth_peripherals_info Requests the "os.bluetooth_peripherals_info" capability. 2
os.diagnostics.network_info_mlab Requests the "os.diagnostics.network_info_mlab" capability. 2
printPreview Requests the "printPreview" capability. 2
sidebarAction Requests the "sidebarAction" capability. 2
sidepanel Show its own panel at the side of your browser 2
storage.session Requests the "storage.session" capability. 2
systemLog Requests the "systemLog" capability. 2
tab Requests the "tab" capability. 2
trialML Requests the "trialML" capability. 2
Requests the " " capability. 1
TrustedHTML Requests the "TrustedHTML" capability. 1
actions Requests the "actions" capability. 1
active_tab Requests the "active_tab" capability. 1
activityLogPrivate Requests the "activityLogPrivate" capability. 1
ai.summarizer Requests the "ai.summarizer" capability. 1
all_frames Requests the "all_frames" capability. 1
app Requests the "app" capability. 1
audio_capture Requests the "audio_capture" capability. 1
automation Requests the "automation" capability. 1
bloomberg.com/quote/ Requests the "bloomberg.com/quote/" capability. 1
caches Requests the "caches" capability. 1
captureVisibleTab Requests the "captureVisibleTab" capability. 1
cdn.jsdelivr.net Requests the "cdn.jsdelivr.net" capability. 1
chrome.storage Requests the "chrome.storage" capability. 1
clipboard-read Requests the "clipboard-read" capability. 1
cnbc.com/quotes/ Requests the "cnbc.com/quotes/" capability. 1
contextMenu Requests the "contextMenu" capability. 1
contextMenus.onShown Requests the "contextMenus.onShown" capability. 1
contextualIdentities Requests the "contextualIdentities" capability. 1
cors Requests the "cors" capability. 1
cross-origin-isolation Requests the "cross-origin-isolation" capability. 1
currentTab Requests the "currentTab" capability. 1
data_collection_permissions Requests the "data_collection_permissions" capability. 1
declarativeNetRequestWithDynamicRules Requests the "declarativeNetRequestWithDynamicRules" capability. 1
declarativeNetRequestWithHeaders Requests the "declarativeNetRequestWithHeaders" capability. 1
declartiveContent Requests the "declartiveContent" capability. 1
dev-ddvchgamoldzunzy.us.auth0.com Requests the "dev-ddvchgamoldzunzy.us.auth0.com" capability. 1
dev-ioqpwrp1wc5d6fnf.us.auth0.com Requests the "dev-ioqpwrp1wc5d6fnf.us.auth0.com" capability. 1
devtools_page Requests the "devtools_page" capability. 1
diagnostics Requests the "diagnostics" capability. 1
download Requests the "download" capability. 1
downloadsWithoutFilename Requests the "downloadsWithoutFilename" capability. 1
enterprise.directory Requests the "enterprise.directory" capability. 1
enterprise.reportingPrivate Requests the "enterprise.reportingPrivate" capability. 1
executeScript Requests the "executeScript" capability. 1
experimental Requests the "experimental" capability. 1
experimentalAiData Requests the "experimentalAiData" capability. 1
extraHeaders Requests the "extraHeaders" capability. 1
fetch Requests the "fetch" capability. 1
file Requests the "file" capability. 1
fileBrowserProvider Requests the "fileBrowserProvider" capability. 1
fileHandling Requests the "fileHandling" capability. 1
fileManagerPrivate Requests the "fileManagerPrivate" capability. 1
fileSystem.requestDownloads Requests the "fileSystem.requestDownloads" capability. 1
filesystem Open files and folders you choose on your computer 1
finance.yahoo.com Requests the "finance.yahoo.com" capability. 1
fontAccess Requests the "fontAccess" capability. 1
gamepad Requests the "gamepad" capability. 1
gener8Private Requests the "gener8Private" capability. 1
google.com/finance/ Requests the "google.com/finance/" capability. 1
host-permissions Requests the "host-permissions" capability. 1
hostPermission Requests the "hostPermission" capability. 1
identity.id Requests the "identity.id" capability. 1
identity.profile Requests the "identity.profile" capability. 1
indexedDB Requests the "indexedDB" capability. 1
infobars Requests the "infobars" capability. 1
investing.com/equities/ Requests the "investing.com/equities/" capability. 1
ipAddress Requests the "ipAddress" capability. 1
island.desktopCapturer Requests the "island.desktopCapturer" capability. 1
key Requests the "key" capability. 1
localFonts Requests the "localFonts" capability. 1
localNetwork Requests the "localNetwork" capability. 1
localStorage Requests the "localStorage" capability. 1
logPrivate Requests the "logPrivate" capability. 1
marketwatch.com/investing/stock/ Requests the "marketwatch.com/investing/stock/" capability. 1
mediaRecorder Requests the "mediaRecorder" capability. 1
messaging Requests the "messaging" capability. 1
midi Requests the "midi" capability. 1
minimal-ui Requests the "minimal-ui" capability. 1
navigator Requests the "navigator" capability. 1
network Requests the "network" capability. 1
newTab Requests the "newTab" capability. 1
node Requests the "node" capability. 1
notification Requests the "notification" capability. 1
notificationProvider Requests the "notificationProvider" capability. 1
offline_enabled Requests the "offline_enabled" capability. 1
openPopup Requests the "openPopup" capability. 1
os.telemetry.network_info Requests the "os.telemetry.network_info" capability. 1
page_action Requests the "page_action" capability. 1
platformInfo Requests the "platformInfo" capability. 1
plugins Requests the "plugins" capability. 1
popup Requests the "popup" capability. 1
printingMetrics Requests the "printingMetrics" capability. 1
privateNetworkAccess Requests the "privateNetworkAccess" capability. 1
profile Requests the "profile" capability. 1
recordingCapture Requests the "recordingCapture" capability. 1
retainEntries Requests the "retainEntries" capability. 1
reuters.com/markets Requests the "reuters.com/markets" capability. 1
robinhood.com Requests the "robinhood.com" capability. 1
safeBrowsingPrivate Requests the "safeBrowsingPrivate" capability. 1
sideAction Requests the "sideAction" capability. 1
sidePanel.open Requests the "sidePanel.open" capability. 1
smartCardProviderPrivate Requests the "smartCardProviderPrivate" capability. 1
sockets Requests the "sockets" capability. 1
sockets.tcp Requests the "sockets.tcp" capability. 1
sockets.udp Requests the "sockets.udp" capability. 1
storage.managed Requests the "storage.managed" capability. 1
stripting Requests the "stripting" capability. 1
system.power Requests the "system.power" capability. 1
tabs.create Requests the "tabs.create" capability. 1
tabs.executeScript Requests the "tabs.executeScript" capability. 1
todo Requests the "todo" capability. 1
tradingview.com/chart Requests the "tradingview.com/chart" capability. 1
tradingview.com/symbols Requests the "tradingview.com/symbols" capability. 1
unlimitedstorage Save an unlimited amount of its own data locally 1
webRequest.filterResponseData Requests the "webRequest.filterResponseData" capability. 1
webRequestExtraHeaders Requests the "webRequestExtraHeaders" capability. 1
webRequestFilterResponse Requests the "webRequestFilterResponse" capability. 1
webRequestHeaders Requests the "webRequestHeaders" capability. 1
webcamPrivate Requests the "webcamPrivate" capability. 1
windows.focused Requests the "windows.focused" capability. 1
writeText Requests the "writeText" capability. 1
wsj.com/market-data/quotes Requests the "wsj.com/market-data/quotes" capability. 1
wsj.com/search?&query Requests the "wsj.com/search?&query" capability. 1