This tool runs only in your browser. It does not upload or store your dates anywhere (except local settings in your browser).
Tip: “Share link” encodes your inputs in the URL hash so you can reopen the same calculation.
Age calculator — Calculate age (years, months, days), total days, and days until next birthday. Shareable link. Browser-only MVP.
Example: Use this tool to sanity-check numbers quickly, then share the link if you need to discuss with others.
FAQ: (1) Does it upload my data? No—runs in your browser. (2) Can I share results? Yes—use the share link feature. (3) Is it authoritative? Treat it as a convenience, not professional advice.
年齡計算器 — 計算年齡（年/月/日）、總天數，以及距離下次生日還有幾天；可分享連結。純前端 MVP。
範例：用這個工具快速試算與對照結果，需要討論時再把連結分享給對方。
FAQ： (1) 會上傳資料嗎？不會，計算在瀏覽器內完成。 (2) 能分享結果嗎？可以，用分享連結。 (3) 準確嗎？請把它當作便利工具，不是專業建議。