This public toolbox allows you to easily test and debug the Firebase Cloud Messaging service.

- Send and receive FCM payloads
- Manage registered devices
- Self-hosting capabilities

On the public toolbox versions, users share the same FCM and FRD instances, be responsible!

The GitHub project is located at
From version FCM toolbox 1.6.1:
All versions
April 3, 2019
January 20, 2018