Mold tools that actually help.
Answer one question. Get the right read in under 60 seconds. No account. No paywall. Built by the team that ships the Mold Scanner AI home scan app.
160 Point Mold Inspection Checklist
Every spot a licensed inspector checks. 12 rooms. 3 scan tiers. IICRC S520 based. The deepest free checklist on the internet.
Open the checklist →
Mold Risk by Zip Code
Type your zip. Get a live NOAA-driven mold risk read for your area with a 24-hour humidity trend. No signup.
Check my area →
Humidity Mold Risk Calculator
Slide two sliders. Get a clear risk score, the dew point, and the exact fix plan. 30 seconds.
Open tool →
Mold vs Mildew Photo Checker
Upload one photo. Get a clear answer in your inbox in about 60 seconds. Mold, mildew, water stain, or dirt. Free.
Scan a photo →
Is Black Mold Dangerous Quiz
5 questions. Plain-English risk read. CDC + Cleveland Clinic citations on every answer. 30 seconds.
Take the quiz →
HVAC Mold Inspection Checklist
12-point walkthrough of the spots a pro would check. Export a branded PDF when you are done.
Start inspection →
Storm Damage Mold Timer
Water event just happened? Start the clock. See the 24 to 48 hour window in real time with the exact steps for where you are on the timeline.
Start the clock →
Tenant Mold Letter + Photo Log
Fill in the facts. Get a clear, dated letter plus a private photo record you can share with your landlord. 3-minute wizard. Not legal advice.
Start the wizard →
Dehumidifier Size Calculator
Enter your square footage, humidity, and room type. Get the exact pint capacity you need. AHAM 2019 sizing. 10 seconds.
Size my room →
Post-Flood Mold Risk Checklist
15 ordered steps after water damage. Each step has a photo so you know exactly what to do. Export a branded PDF for your insurance claim.
Start the checklist →
Mold Risk Index
Water intrusion just happened? Answer 6 questions about material, duration, and humidity. Get a risk band and next steps. Aligned with IICRC S520.
Check my risk →
Mold Remediation Cost Estimator
State-adjusted cost range by severity, square footage, and cause. Built on BLS labor data and IICRC S520. No lead form. No sales calls.
Estimate my cost →Why free tools, and why now.
Most people googling "is this mold" bounce between 10 blog posts that all say the same generic thing. These tools give you a real answer in about a minute. A verdict, a dated report, or a PDF you can hand a pro. Save time, save money, save your health.
Want the full 160-point scan across 11 rooms? Join the beta waitlist. App launches April 2026.