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Firebase Token Toolkit simplifies API testing by generating valid ID tokens

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A new tool called Firebase Token Toolkit helps developers generate valid Firebase ID tokens for testing backend APIs. It bypasses the need for custom scripts by using a service account to create a custom token and exchange it via Google's authentication system. The resulting ID token is indistinguishable from one generated by a real client sign-in. The tool also assists with related tasks like managing custom claims and App Check tokens. It is a native application available for Linux, Windows, and macOS.

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