Free tools for Google Play developers
Small tools for the part of launching on Google Play that happens outside your code. They are free, need no account, and run in your browser.
Production access date calculator
Enter when each tester opted in and get the first date you can apply for production access, and when Google usually answers.
Play Console permission declaration checker
Paste your AndroidManifest.xml or aapt2 output and see which permissions may need a Play Console declaration. Runs in your browser.