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Check Puppeteer’s official Supported browsers table for the exact Puppeteer release in your project, then use the browser version mapped to it. If your release has no row, Puppeteer says to use the browser version listed for the immediately prior release. A custom Chrome or Chromium executable may launch, but its path alone does not guarantee compatibility.
1. Find the exact Puppeteer version in your project
Compatibility is tied to the Puppeteer release, so check the version your application actually installs—not simply the latest version or a broad statement that Puppeteer supports Chrome.
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- Check the project’s
package.jsonfor its declared Puppeteer dependency. - Check the lockfile or installed dependency tree to confirm the resolved version, especially if the dependency range allows updates.
- Use that resolved release for the browser-version lookup.
Puppeteer’s official supported-browser table is the authoritative mapping. If it does not list your Puppeteer release, follow its rule and use the browser version from the immediately prior Puppeteer release shown there.
2. Read the browser version paired with that release
Find your Puppeteer version in the table and record the corresponding Chrome for Testing version or Firefox version, depending on which browser you intend to run. The table retrieved on October 3, 2026 lists Puppeteer 25.12.0 with Chrome for Testing 154.0.8037.57 and Firefox 156.0.1. Version mappings change; verify the table for the release you are using rather than treating those figures as permanent.
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Puppeteer explains in its FAQ that each release is paired with a particular browser release to keep the underlying automation protocols compatible. Since Puppeteer 23.0.0, the supported-browser table includes both Chrome and Firefox. Chrome uses CDP by default; Firefox uses WebDriver BiDi by default.
3. Check which browser binary Puppeteer actually launches
Default downloaded browser
By default, Puppeteer downloads and uses a specific Chrome for Testing version paired with its release. That downloaded browser is the best-supported choice. Confirm that installation has completed and that the application is not overriding the default with another browser executable.
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Custom Chrome or Chromium
If your application launches a separately installed Chrome or Chromium, inspect the executablePath passed to puppeteer.launch. For example:
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executablePath: '/path/to/chrome',
});Use the current Puppeteer configuration guide for release-specific configuration details. Then compare the custom binary’s actual version with the supported-browser mapping. Setting executablePath selects a binary; it does not make an arbitrary browser version supported. Puppeteer does not guarantee that every other Chrome version will work.
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4. Verify the pairing in the target runtime
A browser version listed for your Puppeteer release can still fail to launch if the browser is missing, installation scripts did not run, or the runtime lacks required operating-system libraries. Test the actual application launch in the environment where automation will run—such as its CI runner, container, or server—not only on a developer workstation.
- Install the project dependencies and ensure Puppeteer’s browser installation step has run.
- Launch the application using its real configuration and browser binary.
- Check the launch result and logs in the target operating system or container.
- If launch fails, distinguish a version mismatch from a missing browser download, blocked installation script, or missing system dependency before changing versions.
5. Troubleshoot common support and launch problems
| Symptom | Likely cause | What to check or do |
|---|---|---|
| Your Chrome version is newer or older than the table’s mapping. | The installed binary is not the browser version paired with the project’s Puppeteer release. | Check the resolved Puppeteer version and compare the actual browser version with the official table. Prefer Puppeteer’s downloaded Chrome for Testing browser when possible; arbitrary Chrome versions are not guaranteed to work. |
| The browser executable cannot be found. | The browser download may be absent, or a custom executablePath may point to the wrong location. |
Check the configured path and whether Puppeteer’s installation step ran. If installation scripts were blocked, the troubleshooting guide documents npx puppeteer browsers install for manual installation. |
| Launch fails on Linux with shared-library errors. | Required operating-system dependencies are missing. | Inspect the error for missing shared libraries and install the required system dependencies for the runtime. Puppeteer’s troubleshooting guide covers checking Linux dependencies. |
| Chrome works, but Firefox does not—or the reverse. | The browser family may be using a different mapped release or protocol path. | Look up the specific browser family in the table. Puppeteer’s default protocol is CDP for Chrome and WebDriver BiDi for Firefox. |
| A custom browser starts but behaves unreliably. | Successful launch does not establish that the pairing is supported. | Test against the mapped version in the target runtime and compare results with Puppeteer’s downloaded browser before attributing failures to application code. |
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Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Frequently Asked Questions
Does Puppeteer support Firefox?
Yes. The supported-browser table includes Firefox mappings for Puppeteer releases from v23.0.0 onward; Firefox uses WebDriver BiDi by default.
Which Chrome version works with my Puppeteer version?
Use the Chrome for Testing version listed for your exact Puppeteer release in the official supported-browser table. If your release is not listed, use the version mapped to the immediately prior listed release.
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