puppeteer/website/versioned_docs/version-21.3.4/browsers-api/index.md

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API

@puppeteer/browsers

Manage and launch browsers/drivers from a CLI or programmatically.

CLI

Use npx to run the CLI:

npx @puppeteer/browsers --help

CLI help will provide all documentation you need to use the CLI.

npx @puppeteer/browsers --help # help for all commands
npx @puppeteer/browsers install --help # help for the install command
npx @puppeteer/browsers launch --help # help for the launch command

Known limitations

1. We support installing and running Firefox, Chrome and Chromium. The latest, beta, dev, canary, stable keywords are only supported for the install command. For the launch command you need to specify an exact build ID. The build ID is provided by the install command (see npx @puppeteer/browsers install --help for the format).
2. Launching the system browsers is only possible for Chrome/Chromium.

API

The programmatic API allows installing and launching browsers from your code. See the test folder for examples on how to use the install, canInstall, launch, computeExecutablePath, computeSystemExecutablePath and other methods.

Classes

Class	Description
CLI
InstalledBrowser
Process
TimeoutError

Enumerations

Enumeration	Description
Browser	Supported browsers.
BrowserPlatform	Platform names used to identify a OS platfrom x architecture combination in the way that is relevant for the browser download.
ChromeReleaseChannel

Functions

Function	Description
canDownload(options)
computeExecutablePath(options)
computeSystemExecutablePath(options)
createProfile(browser, opts)
detectBrowserPlatform()
getInstalledBrowsers(options)	Returns metadata about browsers installed in the cache directory.
install(options)
install(options)
launch(opts)
makeProgressCallback(browser, buildId)
resolveBuildId(browser, platform, tag)
uninstall(options)

Interfaces

Interface	Description
GetInstalledBrowsersOptions
InstallOptions
LaunchOptions
Options
ProfileOptions
SystemOptions
UninstallOptions

Variables

Variable	Description
CDP_WEBSOCKET_ENDPOINT_REGEX
WEBDRIVER_BIDI_WEBSOCKET_ENDPOINT_REGEX