puppeteer/website/versioned_docs/version-22.8.0/browsers-api/index.md
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---
sidebar_label: API
---
# @puppeteer/browsers
Manage and launch browsers/drivers from a CLI or programmatically.
## CLI
Use `npx` to run the CLI:
```bash
npx @puppeteer/browsers --help
```
Built-in per-command `help` will provide all documentation you need to use the CLI.
```bash
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
```
Some example to give an idea of what the CLI looks like (use the `--help` command for more examples):
```sh
# Download the latest available Chrome for Testing binary corresponding to the Stable channel.
npx @puppeteer/browsers install chrome@stable
# Download a specific Chrome for Testing version.
npx @puppeteer/browsers install chrome@116.0.5793.0
# Download the latest Chrome for Testing version for the given milestone.
npx @puppeteer/browsers install chrome@117
# Download the latest available ChromeDriver version corresponding to the Canary channel.
npx @puppeteer/browsers install chromedriver@canary
# Download a specific ChromeDriver version.
npx @puppeteer/browsers install chromedriver@116.0.5793.0
```
## Known limitations
1. 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
<table><thead><tr><th>
Class
</th><th>
Description
</th></tr></thead>
<tbody><tr><td>
<span id="cli">[CLI](./browsers.cli.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="installedbrowser">[InstalledBrowser](./browsers.installedbrowser.md)</span>
</td><td>
**Remarks:**
The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `InstalledBrowser` class.
</td></tr>
<tr><td>
<span id="process">[Process](./browsers.process.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="timeouterror">[TimeoutError](./browsers.timeouterror.md)</span>
</td><td>
**Remarks:**
The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `TimeoutError` class.
</td></tr>
</tbody></table>
## Enumerations
<table><thead><tr><th>
Enumeration
</th><th>
Description
</th></tr></thead>
<tbody><tr><td>
<span id="browser">[Browser](./browsers.browser.md)</span>
</td><td>
Supported browsers.
</td></tr>
<tr><td>
<span id="browserplatform">[BrowserPlatform](./browsers.browserplatform.md)</span>
</td><td>
Platform names used to identify a OS platform x architecture combination in the way that is relevant for the browser download.
</td></tr>
<tr><td>
<span id="chromereleasechannel">[ChromeReleaseChannel](./browsers.chromereleasechannel.md)</span>
</td><td>
</td></tr>
</tbody></table>
## Functions
<table><thead><tr><th>
Function
</th><th>
Description
</th></tr></thead>
<tbody><tr><td>
<span id="candownload">[canDownload(options)](./browsers.candownload.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="computeexecutablepath">[computeExecutablePath(options)](./browsers.computeexecutablepath.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="computesystemexecutablepath">[computeSystemExecutablePath(options)](./browsers.computesystemexecutablepath.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="createprofile">[createProfile(browser, opts)](./browsers.createprofile.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="detectbrowserplatform">[detectBrowserPlatform()](./browsers.detectbrowserplatform.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="getinstalledbrowsers">[getInstalledBrowsers(options)](./browsers.getinstalledbrowsers.md)</span>
</td><td>
Returns metadata about browsers installed in the cache directory.
</td></tr>
<tr><td>
<span id="getversioncomparator">[getVersionComparator(browser)](./browsers.getversioncomparator.md)</span>
</td><td>
Returns a version comparator for the given browser that can be used to sort browser versions.
</td></tr>
<tr><td>
<span id="install">[install(options)](./browsers.install.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="install">[install(options)](./browsers.install_1.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="launch">[launch(opts)](./browsers.launch.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="makeprogresscallback">[makeProgressCallback(browser, buildId)](./browsers.makeprogresscallback.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="resolvebuildid">[resolveBuildId(browser, platform, tag)](./browsers.resolvebuildid.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="uninstall">[uninstall(options)](./browsers.uninstall.md)</span>
</td><td>
</td></tr>
</tbody></table>
## Interfaces
<table><thead><tr><th>
Interface
</th><th>
Description
</th></tr></thead>
<tbody><tr><td>
<span id="getinstalledbrowsersoptions">[GetInstalledBrowsersOptions](./browsers.getinstalledbrowsersoptions.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="installoptions">[InstallOptions](./browsers.installoptions.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="launchoptions">[LaunchOptions](./browsers.launchoptions.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="options">[Options](./browsers.options.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="profileoptions">[ProfileOptions](./browsers.profileoptions.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="systemoptions">[SystemOptions](./browsers.systemoptions.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="uninstalloptions">[UninstallOptions](./browsers.uninstalloptions.md)</span>
</td><td>
</td></tr>
</tbody></table>
## Variables
<table><thead><tr><th>
Variable
</th><th>
Description
</th></tr></thead>
<tbody><tr><td>
<span id="cdp_websocket_endpoint_regex">[CDP_WEBSOCKET_ENDPOINT_REGEX](./browsers.cdp_websocket_endpoint_regex.md)</span>
</td><td>
</td></tr>
<tr><td>
<span id="webdriver_bidi_websocket_endpoint_regex">[WEBDRIVER_BIDI_WEBSOCKET_ENDPOINT_REGEX](./browsers.webdriver_bidi_websocket_endpoint_regex.md)</span>
</td><td>
</td></tr>
</tbody></table>