How to use the roblox crypt.decrypt script easily

If you've been messing around with Luau lately, you've probably run into the roblox crypt.decrypt script while trying to handle secure data or obfuscated strings. It's one of those things that looks incredibly intimidating at first glance—mostly because it involves words like "cryptography" and "decryption"—but once you break it down, it's actually a pretty straightforward tool for any developer or scripter to have in their back pocket. ...

February 1, 2026 · 6 min · Liling Petty