Rebar waste on a hand-planned schedule: 11.29%. With Rebar Cutting Optimizer: 3.96% - 38 fewer stock bars, 456 m of steel saved on the same job. Paste your bar bending schedule from Excel or CSV; the tool optimizes cuts separately for each diameter and produces a printable cut sheet grouped by bar mark, a visual cutting pattern, and a CSV export. Completely free, no signup, runs entirely in your browser.