Mold tools that actually help.
These free mold tools help you check humidity, review visible cues and plan cleanup, using general CDC and EPA guidance, with no account and no paywall. These web tools are separate from the paid Mold Scanner AI mobile app.
Separate Free 160-Point Web Checklist
An educational browser checklist covering visible areas in 12 home areas. It is distinct from the mobile app and is not a professional inspection protocol.
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 →
Indoor Humidity Context Calculator
Enter measured temperature and humidity to calculate dew point and absolute humidity. No mold, exposure, health, or occupancy score.
Open tool →
Indoor Mold Cleanup Checklist
Review five property-condition questions with general CDC and EPA cleanup context. No species, exposure, or health score.
Open checklist →
HVAC Moisture Maintenance Checklist
Review eight non-invasive maintenance observations without opening equipment, inspecting inside ducts, or entering unsafe spaces.
Open checklist →
Storm Damage Mold Timer
Track elapsed time after a water event and review general drying reminders. It is not an emergency restoration plan.
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 square footage, humidity, and room type for an educational capacity estimate. Verify current manufacturer sizing before purchase.
Size my room →
Post-Flood Mold Risk Checklist
Review 15 general steps after water damage. Export your observations as a private PDF, not as proof for an insurance claim.
Start the checklist →
Water Damage Documentation Helper
Record six reported event conditions and export a private PDF. No mold probability, cleanup, insurance, health, or occupancy score.
Document the event →
Mold Remediation Cost Estimator
Educational cost range based on user-entered severity, square footage, state, and cause. It is not a contractor quote or remediation scope.
Estimate my cost →
Vacation Home Mold Prevention
Leaving a house empty? Get a thermostat and humidity setting for the weeks nobody is home. Built for cabins, snowbird homes, and short-term rentals.
Set the thermostat →
Can Your iPhone Check Humidity?
The honest answer is no, there is no built-in sensor. Here is what the phone actually measures, which apps read indoor humidity, and how to get a real number.
Get the answer →Why free tools, and why now.
These browser tools provide educational calculations, checklists, and locally saved PDFs. They do not diagnose mold, health effects, or legal responsibility, and they do not replace a qualified professional.
The mobile app separately offers 266 guided photo prompts across 19 rooms. Join the waitlist for early access.