Plugins kategorisearre as transient | https://fy.wordpress.org

Provides a familiar interface to view, search, edit, and delete Transients.

WPS Bidouille provides information about your WordPress and contains optimization tools.

delete old, expired transients from WordPress wp_options table

🧼 Remove expired transients from your options table. The original and best!

Logging in as admin, you can clear all transients from the dashboard.

Safest and simplest transients garbage collector.