Free cannabis tools, no catch
Genuinely useful, free, and honest. No sign-up, no upsell, just tools we wish existed when we were figuring this out. Share them anywhere they help someone.
Dosing
Edible Dosing Calculator
How much THC should you take? Tell it your tolerance and your goal, get a sensible starting dose in milligrams, with onset, duration, and safety built in.
Open the toolDrug testsHow Long Does Weed Stay in Your System?
An honest detection-window estimator by test type and how often you use, plus the real factors that change it and why there's no overnight flush.
Open the toolReference & Data
More on the way. Want the reading instead? Browse the Journal.