MDTools is a free, open-access suite of clinical tools built for healthcare professionals, students, and educators. It includes a full DICOM medical image viewer, 100+ evidence-based clinical calculators, and lab value reference guides — all running entirely in your browser with zero data transmitted to any server.

Key Features

• DICOM Viewer — View medical images (CT, MRI, X-ray) directly in the browser with window/level, zoom, pan, and measurements. No uploads, no cloud — everything stays on your device.
• 100+ Clinical Calculators — From bedside scores (GCS, APGAR, SOFA, CURB-65) to specialty tools (MELD-Na, CHA₂DS₂-VASc, Framingham) to drug dosing calculators (Vancomycin AUC, Heparin, Insulin, GLP-1 agonists).
• Lab Reference Guides — Normal ranges, clinical interpretation, and differential diagnoses for common lab values.
• Drug Dosing Tools — Weight-based dosing, pediatric dosing, dose conversions, and pharmacy workflow calculators.

Why MDTools?

• 100% Free — No subscriptions, no ads, no paywalls. Every tool is available immediately.
• 100% Private — Static site with no backend. All calculations run in JavaScript in your browser. No patient data is ever collected or transmitted.
• Mobile-First — Designed for bedside use with large touch targets and instant results. Works offline once loaded.
• Evidence-Based — Every calculator cites published guidelines, validated equations, and peer-reviewed literature.