I will develop custom web tools, widgets or calculators

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shawn_codes
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shawn_codes
Shawn A.
develop custom web tools, widgets or calculators
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develop custom web tools, widgets or calculators
Full Screen
develop custom web tools, widgets or calculatorsdevelop custom web tools, widgets or calculators

About this gig

Do you need a specific web utility, interactive calculator, or custom automation tool for your business website? Off-the-shelf software is often bloated, expensive, and rarely fits your workflow.

I build custom, highly responsive, and lightweight web tools tailored to solve your exact problems. Whether you want to increase user engagement with an interactive calculator, automate a repetitive daily task, or build a custom widget for your clients, I can build it for you.


WHAT I CAN BUILD FOR YOU:

Custom Calculators: Financial ROI models, price estimators, or fitness/metric trackers.

Data & Text Utilities: Formatters, data sanitizers, or file structure converters.

Automation & API Widgets: Crypto/live data dashboards or automated web scrapers using Python backend scripts.

Embeddable Widgets: Clean code ready to paste into WordPress, Shopify, Webflow, or custom landing pages.


MY DEVELOPMENT PROMISE:

Performance First: Zero bloat, fast loading speeds, and responsive layouts for mobile devices.

Clean & Clear Code: Well-documented scripts that are easy to maintain or scale up later.

Easy Integration: I will give you clear instructions on how to host or embed your new tool.

  • Website type

    • Business

  • Programming language

    • HTML & CSS
    • JavaScript
    • Python
    • React
    • Tailwind CSS

  • Website features

    • Marketing
    • Forum
    • Analytics
    • Form
    • Dashboard
    • Landing page
    • User Authentication
    • Admin Panel
Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Shawn A.

Shawn A.

Full Stack Web Engineer, Next js and React

  • FromPakistan
  • Member sinceJun 2026
  • Avg. response time1 hour

  • Languages

    English
I run GINN, an independent development agency specialising in elite web applications, custom websites, and AI automation. I do not use templates or page builders. Every project is engineered from scratch using React, Next.js, Node.js, and custom LLM integrations. If you need clean architecture, absolute performance, and a digital product built for scale, let's talk.

My Portfolio

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