Compare `filter: drop-shadow(...)` conforming to PNG/SVG transparent alpha channels vs rectangular `box-shadow`.
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.
Configure your target values and parameters in the reactive interface.
Calculations, formatting, and analysis execute locally with zero server egress.
Copy generated artifacts, schemas, or calculation summaries with a single click.
Zero-egress companion tools in the Color & Palette suite
Explore modern OKLCH color space with Lightness, Chroma, and Hue sliders and Hex/RGB/HSL conversion
Verify text and UI color combinations against WCAG 2.1 Level AA and AAA accessibility standards.
Generate vibrant 4-color palettes spaced evenly at 90° angles around the color wheel.
Generate high-contrast, low-tension palettes (Base, +150°, +210°) on the 360° color wheel.
