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README.md

Chrome for Testing availability

JSON API endpoints

Endpoint Description
known-good-versions.json The versions for which all CfT assets are available for download. Useful for bisecting.
known-good-versions-with-downloads.json Same as above, but with an extra downloads property for each version, listing the full download URLs per asset.
last-known-good-versions.json The latest versions for which all CfT assets are available for download, for each Chrome release channel (Stable/Beta/Dev/Canary).
last-known-good-versions-with-downloads.json Same as above, but with an extra downloads property for each channel, listing the full download URLs per asset.
latest-patch-versions-per-build.json The latest versions for which all CfT assets are available for download, for each known combination of MAJOR.MINOR.BUILD versions.
latest-patch-versions-per-build-with-downloads.json Same as above, but with an extra downloads property for each version, listing the full download URLs per asset.
latest-versions-per-milestone.json The latest versions for which all CfT assets are available for download, for each Chrome milestone.
latest-versions-per-milestone-with-downloads.json Same as above, but with an extra downloads property for each milestone, listing the full download URLs per asset.

The set of “all CfT assets” for a given Chrome version is a matrix of supported binaries × platforms.

Supported binaries

The current list of supported binaries is:

  • chrome a.k.a. Chrome for Testing (supported since v113.0.5672.0)
  • chromedriver (supported since v115.0.5763.0)
  • chrome-headless-shell (supported since v120.0.6098.0)

Supported platforms

The current list of supported platforms is:

  • linux64
  • mac-arm64
  • mac-x64
  • win32
  • win64

Other API endpoints

For historical reasons, LATEST_RELEASE_ files containing fully qualified version numbers are available as well.

  1. E.g. https://googlechromelabs.github.io/chrome-for-testing/LATEST_RELEASE_116 answers the question “what’s the latest available version within milestone 116?”.
  2. E.g. https://googlechromelabs.github.io/chrome-for-testing/LATEST_RELEASE_116.0.5845 answers the question “what’s the latest available version within the 116.0.5845.* range?”.
  3. E.g. https://googlechromelabs.github.io/chrome-for-testing/LATEST_RELEASE_STABLE answers the question “what’s the latest available Stable channel version?”. Similar for the other channels (BETA/DEV/CANARY).

These can be used instead of the latest-versions-per-milestone, latest-patch-versions-per-build, and last-known-good-versions JSON API endpoints respectively.

Additionally, each version from the known-good-versions-with-downloads.json is published as a separate JSON file containing its download URLs — for example, 123.0.6309.0.json.

You can browse the complete list of JSON and text files.

CLI utilities

Find the latest Chrome versions across channels

$ npm run find

> find
> node --no-warnings find-version.mjs

Checking the Stable channel…
Found versions: Set(2) { '113.0.5672.93', '113.0.5672.92' }
Recommended version for Stable channel: 113.0.5672.92
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/linux64/chrome-linux64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/mac-arm64/chrome-mac-arm64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/mac-x64/chrome-mac-x64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/win32/chrome-win32.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/win64/chrome-win64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/linux64/chromedriver-linux64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/mac-arm64/chromedriver-mac-arm64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/mac-x64/chromedriver-mac-x64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/win32/chromedriver-win32.zip 404
https://storage.googleapis.com/chrome-for-testing-public/113.0.5672.92/win64/chromedriver-win64.zip 404
❌ NOT OK

Checking the Beta channel…
Found versions: Set(1) { '114.0.5735.26' }
Recommended version for Beta channel: 114.0.5735.26
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/linux64/chrome-linux64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/mac-arm64/chrome-mac-arm64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/mac-x64/chrome-mac-x64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/win32/chrome-win32.zip 200
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/win64/chrome-win64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/linux64/chromedriver-linux64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/mac-arm64/chromedriver-mac-arm64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/mac-x64/chromedriver-mac-x64.zip 404
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/win32/chromedriver-win32.zip 404
https://storage.googleapis.com/chrome-for-testing-public/114.0.5735.26/win64/chromedriver-win64.zip 404
✅ OK

Checking the Dev channel…
Found versions: Set(1) { '115.0.5762.4' }
Recommended version for Dev channel: 115.0.5762.4
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/linux64/chrome-linux64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/mac-arm64/chrome-mac-arm64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/mac-x64/chrome-mac-x64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/win32/chrome-win32.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/win64/chrome-win64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/linux64/chromedriver-linux64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/mac-arm64/chromedriver-mac-arm64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/mac-x64/chromedriver-mac-x64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/win32/chromedriver-win32.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5762.4/win64/chromedriver-win64.zip 200
✅ OK

Checking the Canary channel…
Found versions: Set(2) { '115.0.5765.0', '115.0.5763.0' }
Recommended version for Canary channel: 115.0.5763.0
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/linux64/chrome-linux64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/mac-arm64/chrome-mac-arm64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/mac-x64/chrome-mac-x64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/win32/chrome-win32.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/win64/chrome-win64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/linux64/chromedriver-linux64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/mac-arm64/chromedriver-mac-arm64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/mac-x64/chromedriver-mac-x64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/win32/chromedriver-win32.zip 200
https://storage.googleapis.com/chrome-for-testing-public/115.0.5763.0/win64/chromedriver-win64.zip 200
✅ OK

Check a specific Chrome version for CfT binary availability

$ npm run check 118.0.5962.0

> check
> node --no-warnings check-version.mjs "118.0.5962.0"

Checking downloads for v118.0.5962.0…
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/linux64/chrome-linux64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/mac-arm64/chrome-mac-arm64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/mac-x64/chrome-mac-x64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/win32/chrome-win32.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/win64/chrome-win64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/linux64/chromedriver-linux64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/mac-arm64/chromedriver-mac-arm64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/mac-x64/chromedriver-mac-x64.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/win32/chromedriver-win32.zip 200
https://storage.googleapis.com/chrome-for-testing-public/118.0.5962.0/win64/chromedriver-win64.zip 200
✅ OK

FAQ

What is Chrome for Testing?

Chrome for Testing is a new Chrome flavor that specifically targets web app testing and automation use cases. Read Chrome for Testing: reliable downloads for browser automation for more details.

What’s the easiest way to download Chrome for Testing binaries?

Use @puppeteer/browsers.

How to install the system-level dependencies required for archived linux64 binaries?

unzip chrome-linux64.zip;
apt-get update;
while read pkg; do
  apt-get satisfy -y --no-install-recommends "${pkg}";
done < chrome-linux64/deb.deps;

macOS says the *.app is damaged. What now?

On macOS, if you download a Chrome for Testing ZIP file using a browser instead of via @puppeteer/browsers, curl, or wget, you might get this warning:

“Google Chrome for Testing.app” is damaged and can’t be opened. You should move it to the Trash.

This happens because macOS Gatekeeper sets an extended attribute that marks the ZIP file and any files within it as “downloaded via a browser” and thus potentially dangerous.

To fix the problem, recursively remove the extended attribute:

xattr -cr 'Google Chrome for Testing.app'

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