NoCo Interactive Playground

Demos, prototypes, and browser-based tools for quick experiments. Pick a project below—each runs in your browser unless noted otherwise.

Finance

Retirement & Home Finance Calculators

Retirement drawdown, Social Security break-even, fund comparison, and mortgage payoff vs. invest scenarios—simple, close-enough simulations in the browser.

Open calculators →
Maps & fitness

GPX Route Viewer

Upload a GPX file to visualize your route on a map plus elevation, heart rate, and pace charts.

Open viewer →
AI · images

GROK Image Generator

Paste a list of items (one per line) and batch-generate images via the xAI API. Browse results in a lightbox with keyboard navigation.

Open generator →
Creative

Meme Generator

Choose an image template, customize top and bottom text (color, size, position), and download your meme.

Open meme maker →

These tools are for experimentation and education. Calculator outputs are estimates, not financial advice—consult a qualified advisor before making decisions.