I will develop a chrome extension for extension downloader, user download and browser

A
alekseeva_mark
A
alekseeva_mark
Mark
develop a chrome extension for extension downloader, user download and browser
Full Screen
develop a chrome extension for extension downloader, user download and browser

About this gig

Need a reliable Chrome extension or browser extension built around Chrome, Firefox? I can develop, customize, fix, and improve extensions with clean, maintainable code and a practical user experience.


My service can cover:

Custom Chrome extension development

Browser extensions for Chrome, Firefox, Edge, Brave, and Opera

Manifest V3 development and migration

Popup, options page, content scripts and background service workers

API integration and browser-based workflows

Extension bug fixing, updates, and feature enhancements

Chrome Web Store-ready packaging and guidance


I focus on clear requirements, secure implementation, responsive communication and testing across the agreed browser environment. Whether you need a new extension, an existing extension customized, or a technical issue resolved, I will tailor the solution to your project.


Please message me before ordering with your requirements, preferred browser, features and any existing code or documentation.

  • Programming language

    • Scala

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Design

  • Frontend framework

    • React.js
    • AngularJS
    • Vue.js
    • jQuery
    • Bootstrap

  • Backend framework

    • Django
    • CakePHP
    • Express.js
    • Flask
    • Koa

Get to know Mark

Mark

Chrome extension

  • FromUnited Kingdom
  • Member sinceSep 2026
  • Avg. response time1 hour

  • Languages

    English, Spanish, German, French
I’m a professional Chrome extension and browser extension developer focused on building reliable and user friendly solutions. I can create custom extensions for Chrome, Firefox, Edge, Brave and Opera, including Manifest V3 projects, API integration, automation, content scripts, background service workers, popup interfaces, bug fixes, updates and Chrome Web Store preparation. I work with clear requirements, clean code, testing and communication to deliver solutions tailored to your goals. Whether you need a new extension or improvements to an existing project, I’m ready to help.

Related tags