Enterprise clinical tools require logins and IT reviews just to run basic math. CRC Toolbox eliminates site friction with browser-native utilities that run 100% client-side without collecting PHI—safe for independent trial sites. Full Utility Suite: • Kit expiration tracker & lab specimen workbench • CAPA & deviation drafter • Visit window math with direct .ics export • Instant CTCAE toxicity & lab criteria search • Clinical calculators (BSA, QTc) & GCP checklists Free, instant, 100% private.