Utilitystack.org
Tools
Quick links to the live UtilityStack utilities.
What each tool offers
date-time.utilitystack.org
→
Date & Time Toolkit
- Multi-zone converter with draggable rows, per-zone sliders, and DST-safe offsets for remote scheduling.
- Unix timestamp converter that keeps epoch seconds and zoned date-times in sync with quick “now” capture.
- Duration calculator between two zoned instants with human-readable breakdown plus copyable totals.
- Light/dark theme toggle, SEO-friendly metadata, and client-side operation only.
password.utilitystack.org
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Password Utility
- Strong password generator with length slider, uppercase/lowercase/numbers/symbols, start/end character rules, duplicate prevention, and batch output up to 50 items.
- Memorable passphrase mode with 2–10 words, selectable separators, and wordlists in eight languages.
- MD5 and SHA-256 hash generators for arbitrary text with one-click copy.
- Settings persisted locally plus theme toggle; all generation happens in-browser.
public-holiday.utilitystack.org
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Public Holiday
- Country picker (auto-seeded) with optional region/state filter and year selector.
- List view showing date, local name, national/regional badge, and county coverage.
- Monthly calendar view with navigation, event chips per day, and today highlighting.
- Live data pulled from the Nager.Date API with cached preferences and theme toggle.