Visualize your entire lifespan in a 52-week grid with HD poster wallpaper export.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Enter your date of birth to calculate exact weeks lived.
Adjust target lifespan in years (default 80 years = 4,160 weeks).
View percentage of life elapsed, weeks lived, and current active week.
Click 'Export HD Wallpaper (PNG)' to download a printable Memento Mori poster.
It is a visual life grid where every row represents one year of life (52 weeks). Solid blocks show lived weeks while empty blocks show future potential time, encouraging mindfulness and daily clarity.
Yes, all calculations and canvas poster generations occur 100% locally in your web browser. No personal dates are stored or sent across a server.
Zero-egress companion tools in the Date & Time suite
Convert Microsoft Excel 1900 date system serial integers into standard ISO 8601 timestamps.
Calculate continuous Julian Day Numbers (JDN) and Modified Julian Date (MJD) from Gregorian dates.
Convert high-precision 19-digit nanosecond timestamps into formatted UTC strings.
Check exact clock shift dates and hour offsets for US, EU, and global timezones.
