Add-ons that work anywhere

In plain words

Add-ons that work anywhere is a life and fun tool launched in 2014. It helps users find and manage browser extensions and add-ons that function across different platforms and browsers. The product is designed for people who want to enhance their browsing experience with compatible tools. It serves as a directory or reference resource for discovering add-ons that provide consistent functionality regardless of which browser or device someone uses.

written from the facts on this page · September 2026

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  Anywhere2023 · anywhereapp.io · ▲197

  Deliver client projects with confidence

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  Firefox Tools Adaptor2014 · developer.mozilla.org · ▲60

  Add-on Enables Web Development Across Browsers and Devices

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  Test Anywhere2016 · testanywhere.co · ▲138

  A cloud service that helps test your website

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  Open-sourced Webflow for your own app2024 · github.com · ▲336

  Hi HN, I’m Kiet, one of the creators of Onlook studio. I made this app that allows you to visually edit your locally running React app and write the code back to it in real-time. The purpose is to allow you to develop UI while fully owning your code the whole time. There are other visual builders out there but they either require you to upload your code to the cloud or some lengthy setup process. Onlook runs locally, deterministically, and only requires adding a plugin for the compile step (2 lines of config change). Technical details: This is technically a web browser that can point to your…

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  OperationsMay 2026 · operations.studionope.nl · ▲113

  Turn every new tab into your personal dashboard

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  eesel Extensions2021 · eesel.app · ▲172

  All your work in one place - now also on Firefox

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  SimCity, but with Permits▲911

  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 · 2d ago · permit.petercai.com

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

  Life & fun · 14d 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 · 15d 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 · 9d 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 · 13d ago · carrierexplode.com

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

  Life & fun · 23d ago · space.bl2.net

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  Stripe▲408

  Payment integration and management.

  Commerce · 2014 · stripe.com

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  Grammarly▲385

  Clear, effective, mistake-free writing.

  Work · 2014 · grammarly.com

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  Notifyr▲338

  Receive iOS notifications on your Mac

  Life & fun · 2014 · getnotifyr.com

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  JustReachOut▲270

  Forget PR firms, pitch relevant journalists on your own

  Growth · 2014 · justreachout.io

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  SHRTURL▲269

  Edit any webpage. Get short URL. Troll your friends!

  Life & fun · 2014

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  Yo▲256

  A simple app to say "yo" to friends

  Life & fun · 2014 · justyo.co