Chrome Extension Developer

Sumalya Chatterjee

Starting at

/hr

About this service

Summary

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.

Process

Step 1: Requirement Gathering & Planning We define your extension’s features, UI, and target audience.

Step 2: Technical Planning Choosing the right APIs, permissions, and architecture for your extension.

Step 3: Development I build your extension with HTML5, CSS3, JavaScript, and Chrome Extension APIs.

Step 4: Testing & Optimization I test the extension in multiple environments to ensure speed, reliability, and zero errors.

Step 5: Delivery & Publishing You receive the full source code and assistance in publishing to the Chrome Web Store.

Step 6: Post-Launch Support I can help with ongoing updates, bug fixes, or new feature development.

FAQs

Why should I hire you for Chrome extension development?
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.
Can you make my extension work on multiple browsers?
Yes! I can adapt your Chrome extension for Firefox, Edge, and Opera for wider reach.
Will my extension be secure?
Absolutely. I follow Chrome’s extension security best practices to ensure privacy and protection against vulnerabilities.
Can you publish the extension for me?
Yes! I’ll handle the packaging, testing, and submission to the Chrome Web Store.
Will you provide ongoing maintenance?
Yes — I offer update and maintenance plans to keep your extension compatible with browser updates.
Can you create custom automation or scraping tools?
Yes! I can build custom background scripts, content scripts, and APIs to automate tasks or extract data (within legal and ethical guidelines).
Will I own the extension after delivery?
Yes! You’ll receive full rights to the code and assets, unless third-party components are used under license.
How fast can you deliver?
Depending on complexity, simple extensions can be delivered in a few days, while advanced ones may take 1–3 weeks.

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.