utility
Electricity Cost Calculator
Calculate how much your appliances cost to run. Enter wattage, usage hours, and electricity rate to see daily, monthly, and yearly power costs.
A drag-and-drop Kanban board for task management. Create columns, add cards, edit in-place, and organize your workflow. No login required, runs entirely in browser.
How to use
Kanban boards give you a visual overview of your work in progress. The three-column layout of To Do, In Progress, and Done is the simplest and most effective way to track tasks. Moving cards between columns creates a satisfying sense of progress.
This board runs entirely in your browser with no account needed. It is perfect for quick project planning, sprint boards, or personal task management. Add custom columns to match your workflow. All changes happen instantly with drag and drop.
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Calculate how much your appliances cost to run. Enter wattage, usage hours, and electricity rate to see daily, monthly, and yearly power costs.
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converter
Convert JSON arrays to CSV and CSV to JSON instantly in your browser. Download CSV files with one click.