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MV3 Extension Kickstart Kit: Privacy-first Manifest V3 Chrome extension starter kit

If you are building a Chrome extension in 2025, Manifest V3 is the reality, and shipping fast matters. I built the MV3 Extension Kickstart Kit as a privacy-first starter kit that helps indie developers launch sooner with a clean structure and minimal permission bloat. The focus is on local-first patterns and sensible defaults so you are not rewriting the same boilerplate every time you start a new extension. This is meant for builders making productivity tools, utility extensions, and lightweight workflows where performance and trust are part of the product. If you have been looking for a Manifest V3 Chrome extension template that feels modern and disciplined, this kit is my attempt to make that path simpler. Link: judeh1l.gumroad.com/l/mv3-kickstart-kit If you are actively building, tell me what examples would save you the most time, like onboarding, options pages, storage patterns, or common UI components. A Gumroad review helps a lot if it speeds up your next launch.

on December 27, 2025
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    The MV3 migration has been painful for a lot of extension builders - Google's timeline kept shifting, and the changes around background scripts and declarativeNetRequest threw off a lot of existing patterns. Having a "privacy-first, minimal permissions" starting point is smart positioning.

    For examples that would save time: storage patterns are probably the most underrated. Sync vs local, handling quota limits, and graceful degradation when storage is full. Most tutorials show the happy path but don't cover edge cases that bite you in production.

    Also curious if you've thought about including messaging patterns between popup/background/content scripts - that's another area where the boilerplate gets repetitive fast, and MV3 changed how background contexts work.

    Nice work shipping this. The extension ecosystem needs more starter kits that don't ask for every permission under the sun.

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