base64 --decode

echo "yourbase64token" | base64 --decode

kubectl get secret mykubedashboard-kubernetes-dashboard-token-8wfsh -o jsonpath="{.data.token}" | base64 --decode; echo

kubectl get secret --namespace default grafana -o jsonpath="{.data.admin-password}" | base64 --decode; echo

See also

• base64, base64 --decode, Serialized
• Kubernetes secrets: kubectl [ get | create | describe | delete | secret ] secrets, secret.yml, kind: Secret, secretKeyRef, default-token, imagePullSecrets:, kubernetes.io/dockerconfigjson