Chrome extensions · Custom tools
Browser tools built around one specific job.
When off-the-shelf software adds too much complexity or still misses the workflow, a focused Chrome extension or web utility can be the better answer.
Small software can make a large operational difference.
I design and build extensions that remove repetitive browser work, bring useful information together or make an interaction faster. The scope covers the user flow, Chrome APIs, permissions, privacy, error handling, testing and release.
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Workflow extensions
Automate repetitive actions and make browser-based work faster and more consistent.
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Content and page tools
Work with permitted page content, selections, links or structured information.
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Internal utilities
Focused tools for a team when public software does not match the process.
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Product development
Shape the idea, test usability, prepare store assets and support releases.
What is included
A complete, clearly scoped delivery. The quotation lists exactly what your project covers.
- Feasibility and scope
- Manifest V3 architecture
- Interface and interaction design
- Privacy-conscious permissions
- Browser testing
- Release package and documentation
How it runs
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1
Define the job
Describe the repeated task, the users, the environment and the result you want.
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2
Prototype
Validate the interaction before investing in the full extension.
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3
Build and test
Implement permissions, states, errors and browser behaviour.
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4
Release
Prepare the package, documentation and Chrome Web Store materials.
Grabbit grew to 150,000 installs before it was sold: first-hand experience of extension development, QA, support and growth.
See selected workQuestions before we begin
Can you build an extension for internal company use?
Yes. It can be distributed privately, according to your organisation’s Chrome environment and requirements.
Do you publish it to the Chrome Web Store?
I prepare the package and listing materials and support the submission. You should own the publisher account.
Can an extension work with any website?
Only with the required permissions and within browser and website limits. Feasibility and privacy are reviewed before development.
Can you improve an existing extension?
Yes, including Manifest V3 migration, debugging, usability changes, performance and new features.
Related services
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Software QA testing
Independent manual testing of websites and browser-based products: exploratory, regression, responsive and browser QA, with actionable reports.
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WordPress development
Custom themes and plugins, WooCommerce changes, repairs and performance work, without plugin bloat.
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Website design
Responsive business websites built around enquiries, appointments, trust, sales or information.
Let’s scope it properly.
Share the goal, the current setup and your deadline. I reply with useful questions and a clear quotation.