I Built a Life Timeline Tool That Coaches Say You Shouldn't Use

In coaching, drawing lifelines is considered taboo. They say it frustrates people — forces them to confront gaps, failures, missed decades. I'm not a coach. I'm a strategy consultant. And in strategic sessions, we draw timelines with organizations all the time. One day I thought: why not apply the same tool to personal strategy? So I started drawing lifelines on paper with real participants. Decades across the top, life categories down the side, colored markers for events. It worked. People saw their entire life at a glance — patterns they never noticed, gaps they could fill, futures they could plan. Then I automated it. What LifeLine Does LifeLine is a browser-based tool that generates a multi-decade timeline with a Gantt-style grid. You mark events, milestones, and periods across 12 life categories — from Happiness to Career to Loss. No login. No server. No database. Everything stays in your browser's localStorage. The core idea: see your entire life on one page — from birth year to