150+ purpose-built Chrome extension foundations
ChromeExtendMe is a library of Manifest V3 browser-extension templates for developers and agencies who ship browser tools. Launch your own extension, or deliver one to a client, without writing Manifest V3 boilerplate from scratch.
Everything stays on your machine
- No pre-built template makes a network call. No fetch, no beacons, no remote scripts. This is checked automatically on every release.
- No pre-built template calls a cloud AI or carries an API key.
- No analytics inside any template, and no account needed to use one.
- Page-inspection templates read the page you are on using no site-specific selectors.
- Almost every template asks only for
activeTab and scripting, which means it can act only on the tab you clicked. A small number marked "best for private/internal use" ask for wider access because their job requires it, and each one says so. - You get the full source. You can read every line before you install it.
What is in the vault
Templates are grouped into categories covering tabs and reading focus, links and text, privacy and safety, SEO and accessibility, developer and design inspection, and capture and navigation. Each template ships as a self-contained starter with a valid manifest, working popup logic, a README, a privacy-policy template and a testing checklist.
How it works
One-time payment, no subscription, with lifetime updates to the vault. You receive a licence key that unlocks the catalogue, and every template downloads as a source ZIP you install through Chrome's Developer Mode. The licence lets you modify, re-brand, use privately, deliver to clients, and publish your own derivative extensions.
One template, Copy Clean Link, is free to download with no email required, so you can judge the code before paying.
Build one that is not in the vault
The Build with AI page generates a Manifest V3 starter from a description, using your own Claude, ChatGPT, Gemini or Perplexity API key. Your key and your prompt go from your browser straight to the provider you choose: they never pass through our servers, are never stored, and nothing is metered or charged by us. The generated files are shown in full before you download them as a ZIP. This is a tool on the website, not one of the templates. None of the pre-built templates in the vault calls an AI or carries an API key, and the automated release check that guarantees this covers those templates, not code a model writes for you here.
Chrome Web Store acceptance is always determined by Google's review.
Guides
Open ChromeExtendMe