ExtensionIndex.com

What it does

ExtensionIndex is a data-driven directory for discovering, comparing, and evaluating browser extensions. Unlike traditional extension listings that rely on marketing copy or affiliate incentives, ExtensionIndex focuses on structured data, transparent criteria, and continuously updated metadata sourced directly from the Chrome Web Store.

The complete, structured index of browser extensions. Compare features, permissions, and ratings. Data sourced daily from Chrome Web Store.

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  Extension Rank2020 · ▲138

  Discover extensions for Chrome, Firefox and Opera browsers

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  extensions.af2017 · ▲568

  A site to find the dopest Chrome extensions out there

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  Chrome Extensions Database2023 · appwatch.co · ▲112

  Monitor Chrome extensions metrics growth

• AW
  A web app to discover the trending Google Chrome and Firefox extensions2020 · extensionrank.com · ▲10
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  ExstatsMay 2026 · exstats.com · ▲225

  Track your browser extensions and competitors in one place

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  Semalt Chrome Extension2023 · chromewebstore.google.com · ▲80

  Free website Google Rank and SEO checker

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  SimCity, but with Permits▲906

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 1d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

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  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

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  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

• IN
  isometric.nyc – giant isometric pixel art map of NYC▲1,325

  Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc

  AI · Jan 2026 · cannoneyed.com

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  Cowork▲1,088

  Turn Claude into your digital coworker

  AI · Jan 2026 · claude.com

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  DataFast▲867

  Revenue-first analytics

  Growth · Jan 2026 · datafa.st

• 
  OpenClaw▲836

  The AI that actually does things

  AI · Jan 2026 · openclaw.ai

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  Kilo Code Reviewer▲799

  Automatic AI-powered code reviews the moment you open a PR

  Dev tools · Jan 2026 · kilo.ai

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  PostSyncer▲793

  AI Content Maker, for Social Media Publishing

  AI · Jan 2026 · postsyncer.com