Manifest V2 Is Finally Dead: What the End of the Enterprise Exemption Means
The enterprise policy that kept Manifest V2 alive is gone, and Chrome 150 removes the last MV2 flag on June 30, 2026. What changed, why migration guidance …
Read more →Browser Extensions
Browser extension reviews, installation guides, development tutorials, and security analysis for Chrome, Firefox, Edge, and Safari extensions.
Context Menu Browser Extensions: Building and Using Right-Click Customization
A practical guide to the contextMenus API — how to build context menu extensions, what permissions they actually need, performance considerations, and what to …
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Manifest V3 Migration Guide for Chrome Extension Developers
A practical walkthrough of migrating Chrome extensions from Manifest V2 to V3 — service workers, declarativeNetRequest, host permissions, and Firefox …
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Tab Management Extension Architecture: Building for Performance at Scale
A practical look at tab management extensions architecture — what it does, how it works, and where the real-world tradeoffs live for developers and …
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Firefox Manifest V3 vs Chrome Manifest V3: Key Implementation Differences
A practical look at firefox mv3 implementation differences — what it does, how it works, and where the real-world tradeoffs live for developers and …
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Greasemonkey and Userscripts: Custom Browser Automation Without Publishing an Extension
A practical look at greasemonkey userscripts guide — what it does, how it works, and where the real-world tradeoffs live for developers and privacy-conscious …
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Password Manager Browser Extensions: Security Architecture and Risk Factors
A practical look at password manager extension security — what it does, how it works, and where the real-world tradeoffs live for developers and …
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Screen Reader Extensions and Browser Accessibility: What Developers Should Know
A practical look at screen reader browser extensions accessibility — what it does, how it works, and where the real-world tradeoffs live for developers and …
Read more →TranslatePage: What It Did and What to Use Now
A retrospective on the TranslatePage Firefox extension — how it brought right-click translation to Firefox in the early web era, and how browser-native …
Read more →TabHomePage: What It Did and What to Use Now
A retrospective on the TabHomePage Firefox extension — how it let users set a custom page for new tabs before browsers made this a native setting, and what …
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uBlock Origin Advanced Configuration: Dynamic Filtering and Custom Rules
A practical look at ublock origin advanced configuration — what it does, how it works, and where the real-world tradeoffs live for developers and …
Read more →PasteQuote: What It Did and What to Use Now
A retrospective on the PasteQuote Firefox extension — how it automated the Usenet and email quoting convention of prepending '>' to pasted text, and what …
Read more →ContextHighlight: What It Did and What to Use Now
A retrospective on the ContextHighlight Firefox extension — how it let users persistently highlight selected and searched text on webpages, and what modern …
Read more →ImageToolbar: What It Did and What to Use Now
A retrospective on the ImageToolbar Firefox extension — how it recreated Internet Explorer's hover image controls for Firefox users, and why it was eventually …
Read more →DisableTarget: What It Did and What to Use Now
An editorial retrospective on the DisableTarget Firefox extension — how it stopped links from hijacking your browsing session with target=_blank, why the …
Read more →ContextSearch: What It Did and What to Use Now
A retrospective on the ContextSearch Firefox extension — how it brought search-from-context-menu to the browser in 2004, why it was eventually absorbed, and …
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Moving from Background Pages to Service Workers in Manifest V3
A practical look at manifest v3 service worker migration — what it does, how it works, and where the real-world tradeoffs live for developers and …
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Content Script Security: Avoiding XSS and Injection Vulnerabilities in Extensions
A practical look at content script security best practices — what it does, how it works, and where the real-world tradeoffs live for developers and …
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Building Your First Firefox Extension: A Getting-Started Guide
A practical look at firefox extension development getting started — what it does, how it works, and where the real-world tradeoffs live for developers and …
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Chrome Extension Permissions: What Each Permission Actually Allows
A practical breakdown of Chrome extension permissions — what each one grants, where the real risks live, and how to evaluate an extension before installing it.
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The Chrome Web Store's 2023 Trust & Safety Overhaul: New Verification Badges and What They Mean
Google rolled out a set of new trust signals for the Chrome Web Store in 2023 — Established Publisher status, featured badges, and stricter review processes. …
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Manifest V3's First Developer Preview: Why Ad Blocker Makers Sounded the Alarm
Chrome's early Manifest V3 developer preview proposed replacing webRequest blocking with declarativeNetRequest. Ad blocker and privacy extension developers …
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