Or maybe rot26 — I've heard it's twice as secure as rot13!

It’s 2025, you should at least be on rot52.

Best practice guide: https://github.com/killerk3emstar/rot52

Ah, thanks! Hard to keep up with this stuff. Next thing you know the boffins will tell us we need to switch to rot104 or even rot208 because of "post-quantum cryptography" or something.