Chrome Extension DeveloperSumalya Chatterjee
Build Powerful Chrome Extensions Backed by Proven Browser Development Expertise
With over 25+ published Firefox extensions used by 4,000+ daily active users, I bring real-world experience in creating fast, reliable, and user-focused browser extensions. Whether you need automation tools, content scripts, productivity enhancers, or custom integrations, I’ll deliver a high-performance solution tailored to your needs.
✅ Optimized for speed & minimal memory usage
✅ Cross-browser adaptability (Chrome, Firefox, Edge)
✅ Secure coding & privacy-focused development
✅ Full publishing & deployment support
✅ Clean, documented code for easy updates
Your extension will be built for scalability, smooth performance, and user satisfaction.
What's included
Fully Functional Chrome Extension
A complete, bug-free Chrome extension tailored to your requirements.
Custom UI/UX Design
Clean, intuitive, and responsive extension interface for better user experience.
Feature Implementation
Custom features like data scraping, automation, productivity tools, API integration, or browser enhancements.
Cross-Browser Compatibility
Extensions optimized for Chrome, with optional adaptation for Firefox, Edge, or Opera, Brave.
Optimized Performance
Lightweight code and minimal resource usage for fast and smooth operation.
Source Code & Documentation
Well-structured, commented code with setup instructions for future maintenance.
Publishing Assistance
Help with packaging, testing, and uploading the extension to the Chrome Web Store.
Post-Launch Support
Optional bug fixes, feature upgrades, or ongoing maintenance after release.
FAQs
I’ve built 25+ live Firefox extensions with 4,000+ daily users, meaning I know what works in real-world conditions and how to make scalable, stable, and user-friendly extensions.
Yes! I can adapt your Chrome extension for Firefox, Edge, and Opera for wider reach.
Absolutely. I follow Chrome’s extension security best practices to ensure privacy and protection against vulnerabilities.
Yes! I’ll handle the packaging, testing, and submission to the Chrome Web Store.
Yes — I offer update and maintenance plans to keep your extension compatible with browser updates.
Yes! I can build custom background scripts, content scripts, and APIs to automate tasks or extract data (within legal and ethical guidelines).
Yes! You’ll receive full rights to the code and assets, unless third-party components are used under license.
Depending on complexity, simple extensions can be delivered in a few days, while advanced ones may take 1–3 weeks.
Example work
Sumalya's other services
Starting at$10 /hr
Tags
CSS
HTML5
JavaScript
Next.js
React
Frontend Engineer
UX Engineer
Web Developer
Service provided by
Sumalya Chatterjee Kolkata, India
Chrome Extension DeveloperSumalya Chatterjee
Starting at$10 /hr
Tags
CSS
HTML5
JavaScript
Next.js
React
Frontend Engineer
UX Engineer
Web Developer
Build Powerful Chrome Extensions Backed by Proven Browser Development Expertise
With over 25+ published Firefox extensions used by 4,000+ daily active users, I bring real-world experience in creating fast, reliable, and user-focused browser extensions. Whether you need automation tools, content scripts, productivity enhancers, or custom integrations, I’ll deliver a high-performance solution tailored to your needs.
✅ Optimized for speed & minimal memory usage
✅ Cross-browser adaptability (Chrome, Firefox, Edge)
✅ Secure coding & privacy-focused development
✅ Full publishing & deployment support
✅ Clean, documented code for easy updates
Your extension will be built for scalability, smooth performance, and user satisfaction.
What's included
Fully Functional Chrome Extension
A complete, bug-free Chrome extension tailored to your requirements.
Custom UI/UX Design
Clean, intuitive, and responsive extension interface for better user experience.
Feature Implementation
Custom features like data scraping, automation, productivity tools, API integration, or browser enhancements.
Cross-Browser Compatibility
Extensions optimized for Chrome, with optional adaptation for Firefox, Edge, or Opera, Brave.
Optimized Performance
Lightweight code and minimal resource usage for fast and smooth operation.
Source Code & Documentation
Well-structured, commented code with setup instructions for future maintenance.
Publishing Assistance
Help with packaging, testing, and uploading the extension to the Chrome Web Store.
Post-Launch Support
Optional bug fixes, feature upgrades, or ongoing maintenance after release.
FAQs
I’ve built 25+ live Firefox extensions with 4,000+ daily users, meaning I know what works in real-world conditions and how to make scalable, stable, and user-friendly extensions.
Yes! I can adapt your Chrome extension for Firefox, Edge, and Opera for wider reach.
Absolutely. I follow Chrome’s extension security best practices to ensure privacy and protection against vulnerabilities.
Yes! I’ll handle the packaging, testing, and submission to the Chrome Web Store.
Yes — I offer update and maintenance plans to keep your extension compatible with browser updates.
Yes! I can build custom background scripts, content scripts, and APIs to automate tasks or extract data (within legal and ethical guidelines).
Yes! You’ll receive full rights to the code and assets, unless third-party components are used under license.
Depending on complexity, simple extensions can be delivered in a few days, while advanced ones may take 1–3 weeks.
Example work
Sumalya's other services
$10 /hr