Twobits Technologies Pvt Ltd
Let's talk
  1. Home
  2. Services
  3. Browser Extension Development
Browser Extension Development

Put your product right inside the browser.

Custom Chrome, Edge, Firefox and Safari extensions that boost productivity and extend your product.

Discuss your project What's included

Overview

Browser extensions put your tools exactly where users work: on every website, tab and form. We build secure, high-performance extensions for Chrome, Edge, Firefox and Safari, from internal productivity tools to AI assistants and companion apps for your SaaS. We handle store publishing too.

What we offer

Cross-browser extensions

One codebase for Chrome, Edge, Brave, Firefox and Safari using Manifest V3.

AI-powered assistants

In-page summarisation, writing help and agents that work with web content.

Productivity & automation

Form filling, data capture, scraping helpers and workflow shortcuts for teams.

SaaS companion apps

Bring your web app into the browser with sync, auth and notifications.

Security & privacy

Least-privilege permissions, secure messaging and privacy-compliant data handling.

Store publishing

Chrome Web Store, Edge Add-ons, Firefox AMO and Safari submissions and updates.

Technologies we use

  • JavaScript
  • TypeScript
  • Manifest V3
  • React
  • Svelte
  • WebExtensions API
  • Node.js
  • OpenAI

Frequently asked questions

Which browsers do you support?

All Chromium browsers (Chrome, Edge, Brave, Opera), Firefox and Safari.

Can you migrate our extension to Manifest V3?

Yes. We upgrade Manifest V2 extensions to V3 so they stay compliant and listed in the stores.

Explore more

Other services

Custom Software Development

Tailor-made business software, SaaS platforms and enterprise systems engineered to scale.

Learn more

AI & Agentic AI Training

Hands-on AI, generative AI and agentic AI training plus tech upgrade programmes for your teams.

Learn more

Software Upgrade & Maintenance

Keep critical systems secure, fast and up to date with proactive maintenance and modernisation.

Learn more

Web Development

High-performance websites, web apps, portals and e-commerce stores that convert.

Learn more
Let's build together

Let's talk about browser extension development

Tell us about your project. We will get back within one business day with next steps and a free consultation.

Start a project connect@twobitstech.com