プライバシーポリシー
プライバシーポリシー — 無料バーチャル定規
お使いのデバイス画面を実寸大（1:1スケール）の高精度定規・メジャーに。インチ、センチ、ミリメートルに対応。
100% Client-Side Privacy Guarantee
At Free Virtual Ruler, your digital privacy is built into the architecture. All measurements, ruler calibrations, and user preferences are executed exclusively in your web browser.
No Personal Data Collection
We do not require you to create an account, provide an email address, or enter any personal details to use our virtual ruler and measurement tools.
Local Storage
Your calibrated screen PPI, preferred measurement units (inches, cm, mm), and dark/light mode preference are stored solely in your browser's localStorage on your local device.