If I enable saving, what security measures are in place?

If you choose to upgrade to Premium and enable cloud sync, Google Firebase is used to keep your data synchronized across devices, and data is encrypted at rest and in transit. Firebase is certified under major privacy and security standards which you can read more about here.

Or if you prefer, you can opt to keep your data saved in browser localStorage only, or simply import/export your data manually.

Lifetime customers now also have the option to self-host a private deployment of ProjectionLab for additional privacy and even more complete control.