I will develop a custom web tool or utility for your website

R
renhongtao
R
renhongtao
hongtao ren
develop a custom web tool or utility for your website
Full Screen
develop a custom web tool or utility for your website
Full Screen
Full Screen
develop a custom web tool or utility for your websitedevelop a custom web tool or utility for your websitedevelop a custom web tool or utility for your website

About this gig




























Need a custom web tool for your website?


I build lightweight, fast, and useful web tools:

- Image converters & compressors

- Format converters (CSV, JSON, XML, etc.)

- Calculators (mortgage, ROI, tax, etc.)

- Text tools (word counter, formatter, etc.)

- PDF tools (merge, split, convert)

- Generator tools (QR code, password, etc.)


Why work with me:

Clean, maintainable code

Responsive design (mobile-friendly)

SEO optimized

Fast delivery

Excellent communication


Let's turn your idea into a working tool!










































  • Website type

    • Business

  • Programming language

    • HTML & CSS
    • JavaScript

  • Website features

    • Landing page
Respect third-party rights

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Get to know hongtao ren

hongtao ren

Web Developer Custom Tools Chrome Extensions

  • FromChina
  • Member sinceMay 2026

  • Languages

    Chinese, English
Web developer specializing in custom tools, converters, and browser extensions. I build fast, clean, and privacy-focused web applications. Recent project: QuickConvert — a browser-based image converter serving thousands of users. Let's build your dream tool!

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