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Date Calculator
Calculate date differences, add/subtract days, calculate age, and find dates. Essential for planning and scheduling.
No uploads • Client-side only • Your data stays on your device
Your Privacy Guaranteed
All processing happens directly in your browser using JavaScript. Your files, passwords, and data never leave your device and are never uploaded to our servers. We cannot see, store, or access anything you process with this tool.
No account required • No tracking • No data collection • Works offline after initial load