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Browser Extension Services Built to Support Performance, Stability, and Growth

We deliver end-to-end browser extension services that cover every stage of your product lifecycle — from initial concept and design to deployment, optimization, and long-term support. Our expert team ensures your extensions remain performant, stable, and ready to scale as your business grows.

Custom Extension Development

Custom Extension Development

With experience building 40+ extensions across industries, we develop custom browser extensions tailored to your business needs — from productivity tools to AI-based content generation, data scraping, and automation.

JavaScript & TypeScript React & Vue.js Manifest V3 ready

Chrome Extension Development

Get custom Google Chrome extensions tailored to your business needs. Enhance functionality, automate tasks, and boost productivity with expert development.

Safari Extension Development

Build custom Safari extensions to enhance functionality, improve user experience, and automate tasks. Tailored solutions for your business needs.

Firefox Extension Development

Create custom Firefox extensions to boost browser functionality, streamline tasks, and enhance user experience. Tailored solutions for your business.

Productivity Tools

Custom productivity extensions that save users time — note-taking, task management, time tracking, and workflow shortcuts built right into the browser.

AI-Based Content Generation

Extensions that bring AI directly into the browser — content generation, summarization, and smart suggestions integrated into the user's workflow.

Data Scraping & Automation

Extensions that automate repetitive web tasks and extract structured data from pages, saving teams hours of manual work every week.

E-Commerce Enhancements

Price trackers, coupon finders, and shopping assistant extensions that boost conversions and add value to the online shopping experience.

Password Management

Secure password manager extensions with encrypted vaults, auto-fill, and seamless sync built for trust and ease of use.

Brave Extension Development

Custom Brave browser extensions built on the same Chromium foundation, optimized for privacy-conscious users and performance.

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Extension Strategy & Discovery

We help you define clear extension goals, validate the workflow problem you're solving, and create an actionable roadmap. From competitor research to feature prioritization, we lay the foundation for a successful extension.

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Popup & Toolbar UI Design

Create cohesive, native-feeling popups and toolbar interfaces that fit naturally into the browser. Our designers craft intuitive layouts that elevate user experience and reduce drop-off after install.

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Cross-Browser Extension Development

Build high-performance extensions for Chrome, Firefox, Safari, and Brave with platform-specific optimizations. We deliver fast, reliable extensions that leverage the full capabilities of each browser's API.

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SaaS Platform Extensions

From data capture tools to AI-powered assistants, we build extensions that extend your existing SaaS platform's reach directly into the user's browser, driving deeper engagement and retention.

Justin

Rating

EliteSigma Infotech has been a game-changer for our business. From the start, they took the time to understand our needs and consistently delivered innovative solutions that aligned perfectly with our goals. Their team’s technical knowledge is unmatched, and their proactive approach ensured every step of our project ran smoothly. Not only did they meet our expectations, but they also pushed the boundaries of what was possible, turning our ideas into reality with precision and creativity. Their ongoing support and flexibility make them an invaluable partner for our company.

Justin from USA

Justin | USA

Harry

Rating

Working with EliteSigma is an absolute pleasure. Their expertise, professionalism, and dedication to our project is exemplary. They not only understood our vision but also contributed valuable insights and suggestions, resulting in a product that exceeded our expectations. Their attention to detail and commitment to delivering high-quality work on time were truly impressive. We signed up for a project and have since bought them on as a permanent resource. We highly recommend EliteSigma to anyone seeking a skilled and reliable developer.

Harry from UK

Harry | UK

Lorinda

Rating

Our experience with EliteSigma Infotech has been outstanding. Their commitment to understanding our project’s unique challenges and delivering a customized solution was impressive. The team consistently provided thoughtful recommendations and kept us informed at every stage of the process. EliteSigma Infotech has become an essential extension of our team, and we confidently recommend them to anyone in need of top-tier development services.

Lorinda from South Africa

Lorinda | South Africa

Kyle

Rating

EliteSigma has exceptional developers provides great quality service. They added valuable insight into our project and assisted in creating milestones and requirements. They are hired for the entire project.

Kyle from USA

Kyle | USA