Pad images to fit 16:9, 1:1, or 9:16 aspect ratios with solid color or blurred background letterboxes.
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.
Enter or configure your target inputs and parameters in the clean interface.
Calculations, formatting, and generation occur instantly in-browser using WebAssembly and WebCrypto.
Copy formatted results or download generated assets with a single click.
Zero-egress companion tools in the Image Processing suite
Convert images to pure 1-bit high-contrast black and white binary bitmaps.
Rotate photo color spectra across the 360° hue angle wheel.
Generate 3D paper stamp emboss and metallic stone bas-relief visual effects.
Extract spatial gradient edges using Sobel and Laplacian convolution kernels.
