I will develop custom engineering calculator and web tool


About this gig
Welcome to my Professional Engineering & Technical Web App Gig!
Looking for a custom standalone interactive calculator, simulation tool, or technical CAD estimator for your business, website, or offline use?
I build fast, responsive Single-Page Web Applications using modern HTML5, CSS3, and Pure Vanilla JavaScript (no backend or hosting server required!).
What I Can Build For You:
- Custom Industrial & Math Calculators (Ohm's Law, Electrical Sizing)
- Interactive Circuit & Blueprint Schematics (Interactive SVG & Dynamic Logic)
- Breaker & Cable Sizing Tools (125% Duty, Watt Density Checks)
- 3-Phase Star / Delta Diagnostic Interfaces
- Megger Insulation & Predictive Maintenance Trends
- One-Click PDF and WhatsApp Report Generators
- Built-in LocalStorage (Save, Load & Archive Job Records)
- Bilingual Interface (English & Urdu / Arabic)
Why Choose My Work?
- 100% Standalone: Runs on PC, tablet, or mobile even without internet.
- High Performance: Super fast loading with zero external dependencies.
Please message me before ordering to discuss your project logic. Let's build your tool!
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 Muhammad Farooq
Expert Electrical Engineer and Custom Python Developer
- FromPakistan
- Member sinceJun 2026
Languages
English, Urdu, Arabic
FAQ
Will this web app work offline on mobile and PC?
Yes! The entire code is compiled into a lightweight single-file web application that can run in any browser without needing an internet connection or server hosting.
Can you add my company logo and branding colors?
Absolutely. I will customize the tool name, brand colors, company profile, and PDF export layout to perfectly match your brand.

