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I will develop custom chrome extensions and fix extension bugs
CN dev
About this gig
Do you need a custom Chrome extension or help fixing an existing browser extension?
I will develop, modify or debug browser extensions using HTML, CSS and JavaScript. I can create clean extension interfaces, add useful features, resolve errors and update older extensions to Manifest V3.
My services include:
Custom Chrome extension development
Browser-extension bug fixing
Popup and options-page development
Content-script and service-worker fixes
Chrome Storage integration
Context-menu and tab features
Manifest V3 migration
Extension UI improvements
Chrome, Edge and Firefox compatibility
Clean and organized source code
Please contact me before ordering so I can review your requirements and confirm the price and delivery time.
I do not provide AI-based extensions, mass automation, botting, fake engagement or extensions designed to bypass website security.
Get to know CN dev
CN dev
Developing extensions as your wish!
- FromSri Lanka
- Member sinceJul 2026
- Avg. response time1 hour
Languages
English
Hi! I’m a front-end developer skilled in HTML, CSS, and JavaScript, with a focus on Chrome and browser-extension development (3 Years of experience).
I can create custom extensions, fix existing extension bugs, improve popup interfaces, update manifest configurations, and work with Manifest V3, content scripts, and Chrome Storage.
I value clear communication, clean code, and reliable delivery. My goal is to understand your requirements and provide a practical solution that works smoothly.
Feel free to contact me to discuss your project before placing an order.
Other Software Development Services I Offer
FAQ
What types of browser extensions can you create?
I can create Chrome extensions such as note-taking tools, tab utilities, webpage customization tools, context-menu features, and other small custom extensions.
Can you fix an existing browser extension?
Yes. I can fix popup errors, content-script problems, manifest issues, storage errors, service-worker bugs, and interface problems.
Do you work with Manifest V3?
Yes. I develop and update Chrome extensions using Manifest V3.
What do you need before starting?
Please provide a clear description of the extension, required features, reference examples, and existing source code if it is a bug-fixing project.
Will I receive the source code?
Yes. The completed source code is included with the delivery.
Do you create AI or automation extensions?
No. I do not provide AI-based extensions, bots, mass automation, fake engagement tools, or extensions designed to bypass website security.
Should I contact you before ordering?
Yes. Please contact me before placing an order so I can review the requirements and recommend the correct package.
