Speech to Text

Visual builder for Speech Synthesis Markup Language with breaks, emphasis, and prosody.

Calculate Body Mass Index from height and weight in metric or imperial units.

A live, interactive slide deck built with reveal.js, the open-source HTML presentation framework with CSS 3D transforms, transitions, and speaker notes.

Build, edit, and export 3D WebGL scenes in your browser: geometries, materials, lights, cameras, and scripts.

Build web pages and HTML templates visually with a drag-and-drop canvas, block manager, and style manager, entirely in your browser.

Edit spreadsheets in your browser: formulas, cell formatting, conditional formatting, data validation, filters, and sorting.