{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-05-20T20:47:38.331Z","discovery":{"catalog":"https://toolsly.tools/tools.json","llmsTxt":"https://toolsly.tools/llms.txt","sitemap":"https://toolsly.tools/sitemap.xml"},"relatedTools":[{"slug":"bmi-calculator","name":"BMI Calculator","url":"https://toolsly.tools/bmi-calculator"},{"slug":"percentage-calculator","name":"Percentage Calculator","url":"https://toolsly.tools/percentage-calculator"},{"slug":"age-calculator","name":"Age Calculator","url":"https://toolsly.tools/age-calculator"},{"slug":"tip-calculator","name":"Tip Calculator","url":"https://toolsly.tools/tip-calculator"},{"slug":"timezone-converter","name":"Timezone Converter","url":"https://toolsly.tools/timezone-converter"},{"slug":"aspect-ratio-calculator","name":"Aspect Ratio Calculator","url":"https://toolsly.tools/aspect-ratio-calculator"},{"slug":"bytes-converter","name":"Bytes Converter","url":"https://toolsly.tools/bytes-converter"},{"slug":"length-converter","name":"Length Converter","url":"https://toolsly.tools/length-converter"}],"kind":"utility","slug":"date-difference","name":"Date Difference Calculator","description":"Compute the difference between two dates in years, months, days, hours, minutes, seconds.","longDescription":"Enter two dates (or date-times) and get the difference broken down every way you might need it: calendar years/months/days, plus totals in days, hours, minutes, seconds, and business days (Mon–Fri). Runs locally in your browser.","category":"calc","categoryName":"Calculators","keywords":["date difference calculator","days between dates","date duration calculator","days between two dates","date diff","calculate date difference","date subtraction","weeks between dates","business days between dates","date calculator online","free date calculator","how many days between"],"badge":"Calculator","url":"https://toolsly.tools/date-difference","inputs":[{"type":"text","key":"from","label":"From","defaultValue":"2020-01-01","placeholder":"YYYY-MM-DD or YYYY-MM-DDTHH:MM"},{"type":"text","key":"to","label":"To","defaultValue":"2025-01-01","placeholder":"YYYY-MM-DD or YYYY-MM-DDTHH:MM"}],"outputs":[{"key":"ymd","label":"Years / months / days"},{"key":"totalDays","label":"Total days"},{"key":"totalWeeks","label":"Total weeks"},{"key":"totalHours","label":"Total hours"},{"key":"totalMinutes","label":"Total minutes"},{"key":"totalSeconds","label":"Total seconds"},{"key":"businessDays","label":"Business days (Mon–Fri)"}],"invocation":{"webUi":"https://toolsly.tools/date-difference","api":null,"notes":"Currently invoked via the web UI at `webUi`. Inputs are form fields; outputs are structured text values. A remote MCP/REST API is planned."}}