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English
$
USD
I will create a custom chrome extension
Hassan
Level 2
2 orders in queue
4.9
4.9
What people loved about this freelancer
branislavgrenus
Austria
Hassan was able to flawlessly implement a rather complex feature in my project which is improving the overal results a great deal and adds some very important...
maartenroelofse
Netherlands
Hassan is truly remarkable in software development. The PROFESSIONALISM of his work and quick responsiveness made the entire process seamless. Delivered right on time, highly recommend! 👍
branislavgrenus
Austria
Hassan had the difficult task of taking over development of a rather complex extension developed by someone else and adding features, which he had done really...
andreacarlotto
United States
I am very grateful to have found Hassan and highly recommend him. He was easy to work with. Great communication and a great final product.
anotheronerb
Armenia
Hassan has been an exceptional developer to work with. His skills and commitment to meeting project deadlines have significantly contributed to the success...
About this gig
Hello! With over 3+ years of experience in building browser extensions, I have built over 200 extensions across various industries, including eCommerce, transport, marketing, etc.
What I Offer:
- Custom Extensions: Tailored solutions for specific websites to enhance functionality.
- Web Scraping: Efficient and reliable web scraping extensions.
- Automation: Extensions to automate form submissions and repetitive web tasks.
- Filtering: Tools to filter listings and streamline your online activities.
- And More: Any custom functionality you need.
Why Choose Me?
- Expertise: Proficient in JavaScript, TypeScript, React, and Tailwind, ensuring high-quality, scalable extensions.
- Backend Mastery: Skilled in Node.js, Firebase, Stripe integrations, and MySQL/MongoDB databases.
- Cloud Savvy: Experience with AWS and GCP to provide seamless cloud service integration.
- Versatility: Capable of building websites, web apps, and browser extensions for Chrome, Firefox, and Edge, including migrations from Manifest V2 to V3.
If you have a specific idea in mind, let's discuss it in detail to ensure I'm the right fit for your project.
Thank you for considering my services. I look forward to working with you!
Get to know Hassan
Hassan
Empowering entrepreneurs with scalable web apps and browser extensions
Level 2
- FromPakistan
- Member sinceFeb 2021
- Avg. response time1 hour
- Last delivery1 month
Languages
Urdu, English, Hindi
Hello!
I’m Hassan — a full-stack developer specializing in AI workflow automation, AI agents, and custom integrations using Zapier, n8n, Make, and custom APIs. I also build modern web apps and browser extensions.
Tech Stack:
- TypeScript, React, Plasmo
- Node.js, Firebase, OAuth, Stripe
- MySQL, MongoDB
- AWS, GCP, Vercel
- Zapier, n8n, Make
What I offer:
- AI workflow automation & custom AI agents
- Responsive scalable web apps
- Browser Extensions
I’ve built 200+ browser extensions to automate workflows for eCommerce, SaaS, real estate, and more.
Thanks for stopping by!
My Portfolio
Other Software Development Services I Offer
FAQ
What types of browser extensions can you develop?
I create custom browser extensions for specific websites, web scraping, automating tasks, and filtering online listings. I can also develop unique functionality based on your specific needs.
What browsers do you support?
I develop extensions for Chrome, Firefox, Edge, and Safari. I also handle migrations from Manifest V2 to V3 to keep your extensions up-to-date.
How do you ensure the quality and reliability of your extensions?
With over 3 years of experience and 200+ extensions developed, I follow best practices in coding and testing, ensuring each extension is robust, secure, and performs well. I also provide post-deployment support.
Can you help with updating or modifying an existing extension?
Yes, I can update or modify your existing extensions to add new features, improve functionality, or ensure compatibility with the latest browser updates, including Manifest V2 to V3 migrations.
What information do you need to start working on my extension?
I need a detailed description of your requirements, including desired functionality, target browser(s), and specific features. Feel free to discuss your ideas with me, and I’ll provide guidance to bring them to life.
Reviews
119 reviews for this Gig
| (113) | ||
| (6) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B 
branislavgrenus
Repeat Client
Austria
When an update was required to add new functionality, Hassan delivered. Any initially issues were very quickly fixed and as always, working with Hassan has been productive and efficient, with great results. Highly recommended - and we are moving to another order in the same project!
$1,000-$1,500
Price
5 weeks
Duration
G Seller's Response
Helpful?H 
henny98
Repeat Client
Germany
Top, like always.
$50-$100
Price
7 days
Duration
G Seller's Response
Helpful?J juliashareikoje
Repeat Client
Spain
delivered in time with a great support
$400-$600
Price
2 weeks
Duration
G Seller's Response
Helpful?H henny98
Repeat Client
Germany
Pure excellence, like always. This was my third gig with Hassan and I could not imagine a thing that he could do better. 10/10 technical knowledge, huge patience with me and my wishes and great results. I fully recommend his services.
$100-$200
Price
13 days
Duration
G Seller's Response
Helpful?B branislavgrenus
Repeat Client
Austria
Hassan quickly implemented a hotfix for a problem that emerged in this project due to external factors and everything works great! Moreover, he came up with a simple UI solution that allows even more control for the tool.
$100-$200
Price
2 days
Duration
G Seller's Response
Helpful?
Reviews
119 reviews for this Gig
| (113) | ||
| (6) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B branislavgrenus
Repeat Client
Austria
When an update was required to add new functionality, Hassan delivered. Any initially issues were very quickly fixed and as always, working with Hassan has been productive and efficient, with great results. Highly recommended - and we are moving to another order in the same project!
$1,000-$1,500
Price
5 weeks
Duration
G Seller's Response
Helpful?H henny98
Repeat Client
Germany
Top, like always.
$50-$100
Price
7 days
Duration
G Seller's Response
Helpful?J juliashareikoje
Repeat Client
Spain
delivered in time with a great support
$400-$600
Price
2 weeks
Duration
G Seller's Response
Helpful?H henny98
Repeat Client
Germany
Pure excellence, like always. This was my third gig with Hassan and I could not imagine a thing that he could do better. 10/10 technical knowledge, huge patience with me and my wishes and great results. I fully recommend his services.
$100-$200
Price
13 days
Duration
G Seller's Response
Helpful?B branislavgrenus
Repeat Client
Austria
Hassan quickly implemented a hotfix for a problem that emerged in this project due to external factors and everything works great! Moreover, he came up with a simple UI solution that allows even more control for the tool.
$100-$200
Price
2 days
Duration
G Seller's Response
Helpful?
