Steven Tanner Hopwood — STHopwood Portfolio

It's simp

Let's build a brighter tomorrow!

Portrait of Steven Tanner Hopwood
Steven Tanner Hopwood

About me

Engineering leadership, process, and product development

I'm Steven Hopwood — an Advanced Manufacturing Engineer at Yanfeng Interiors and the full-stack developer behind everything on this site. I connect the shop floor to the cloud: leading cost-savings initiatives, building the tools my teams use, and owning projects from first sketch to shipped result.

Read my story LinkedIn
$218K+Cost savings I've led
14+Projects shipped
4+Years of experience
Tier 1Automotive supplier

The playground

Start with a tool you'll love

Pick a project, open it, and start playing — no downloads, no accounts.

Games2048Play a custom 2048 tile-merging game with swipe, drag, or keyboard controls, saved progress, and a public leaderboard.ToolsFluidA falling-sand powder playground — pour sand, water, oil, fire and more, then watch them tumble, flow and react.GamesColosseumRecruit, train, and equip gladiators, then battle through the arena in this free turn-based strategy game.ToolsNetChat with an AI assistant that can automate tasks, write code, and generate images.GamesIQ TestTake a free adaptive IQ test with multiple difficulty tiers and instant results.

100% open source

Every line of code is public

No black boxes, no paywalled source. This entire webapp — frontend, backend, tools, and games — is free to read, fork, and learn from on GitHub.

View the source code

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Something for everyone

A growing collection of tools, games, and experiments.

Games & puzzles

2048, Wordle, IQ Test, and more to pass the time.

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Engineering tools

Annuities, fluid, and other calculators built for engineers.

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Net AI Chat

Your AI-powered assistant for automation, coding, and more.

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Little surprises

Virtual pets, Hype, and other fun experiments.

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No credit card required

Ready to explore?

Jump in and start building something fun.

Start exploring Get in touch

  1. Browse the playground

    Pick a tool or game that catches your eye.

  2. Jump right in

    Most things work instantly — no account needed.

  3. Create an account

    Save progress, track goals, and unlock member tools.

  4. Say hello

    Questions, ideas, or bugs? Drop a line anytime.

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