Electricity & energy
Appliance Power Consumption Calculator
Estimate appliance energy use and running costs from wattage, usage and your tariff.
- 27 appliance presets
- Daily to yearly cost
Electricity, energy & privacy tools
Household electricity calculators come first. Metadata and image-privacy tools form a smaller supporting collection.
Electricity & energy (9)
Calculate electricity use, running costs, bills, loads, backup and savings.
Electricity & energy
Home Electricity Usage Calculator
Add multiple appliances to estimate household electricity use, monthly cost, and your biggest energy users.
- Multiple appliance tracking
- Monthly cost & kWh breakdown
Electricity & energy
AC Running Cost Calculator
Estimate air-conditioner running costs from BTU rating, efficiency, usage and electricity rate.
- BTU + EER/SEER inputs
- Hourly to yearly cost
Electricity & energy
Electricity Bill Calculator
Estimate a bill from meter readings or kWh, tariff, fixed charges and tax.
- Meter readings or kWh
- Itemised bill breakdown
Electricity & energy
Time-of-Use Electricity Cost & Appliance Scheduler
Map peak and off-peak rates, schedule appliances, and find cheaper hours to use electricity.
- Peak and off-peak rates
- 18 appliance presets
Electricity & energy
Household Electrical Load Compatibility Checker
Total appliance wattage and check amperage, circuit capacity and breaker sizing.
- 120V & 230V systems
- 80% load rule
Electricity & energy
Battery Backup Time & Inverter Size Calculator
Estimate battery runtime or size a battery bank and inverter for household appliances.
- 20 appliance presets
- Lead-acid and lithium
Electricity & energy
Solar Savings & Payback Calculator
Estimate solar production, electricity savings and the break-even payback period.
- Annual production and savings
- Payback and lifetime view
Electricity & energy
EV Home Charging Cost Calculator
Calculate the true cost to charge your electric car at home — per session, monthly, and annual impact on your electricity bill.
- 20 EV battery presets
- Level 1, 2 and 3 charging
Metadata & privacy (2)
Remove hidden metadata and check images for privacy risks before sharing.
Metadata & privacy
File Metadata Sanitizer
Remove hidden EXIF, GPS, camera and author metadata from files in your browser.
- Photos, GIFs and PDFs
- No file upload
Metadata & privacy
Screenshot Privacy Checker
Scan screenshot text for sensitive information and redact it before sharing.
- 12 privacy categories
- Risk classification