Production Line Optimization yamazumi.io – Interactive yamazumi charts for lean manufacturing

Summary: yamazumi.io is a browser-based tool for creating interactive yamazumi charts that balance production lines using drag-and-drop. It provides real-time KPI updates, takt time overlays, and automatic kaizen logging to track changes and identify bottlenecks.

What it does

The tool enables users to rearrange work elements across stations with live updates on efficiency, cycle times, and value-add ratios, while maintaining a full history of improvements and offering print-ready exports.

Who it's for

It is designed for manufacturing teams and continuous improvement professionals who rely on lean manufacturing methods to optimize production lines.

Why it matters

yamazumi.io replaces outdated manual methods like spreadsheets and whiteboards, providing version control, collaboration, and instant visibility into production bottlenecks.