The walls · Browser extensions
187 launch directories we cover, graded by authority and traffic. Every number names its source. A blank means we have not measured it yet.
Tranco rank is the site’s place among the million most visited domains, from the public Tranco research list. Lower means bigger.
| Wall | Grade | DR | Tranco rank | Monthly visits | Fits | Badge | Link | Notes |
|---|---|---|---|---|---|---|---|---|
| Firefox Add-ons (opens in a new tab) | S | not measured yet | 100 | not measured yet | Browser extensions | — | — | Mozilla's official Firefox extension store. Developers submit browser extensions through the Developer Hub, which requires a Mozilla account and an automated plus manual review process. This is a browser-extension app store, not a general SaaS/AI-tool directory. |
| Crx4Chrome (opens in a new tab) | B | not measured yet | 375,995 | not measured yet | Browser extensions | — | — | Chrome extension/app download mirror and directory. The 'Submit' page has no form; it only lists an email address (crx4beta@gmail.com) to recommend an extension for listing. |
| BrowserExtension.dev (opens in a new tab) | Unrated | not measured yet | not measured yet | not measured yet | Browser extensions | — | — | Directory of newest browser extensions with creator interviews on its blog. The site's /submit-your-extension nav link 302-redirects to an external Google Form, so submission is an open form (no visible login wall) but pricing was not stated anywhere observed. |
| Web Store Extensions (opens in a new tab) | Unrated | not measured yet | not measured yet | not measured yet | Browser extensions | — | — | Curated browser extension directory (Chrome/Firefox/Edge). The /submit page is an open form (description, category, platform, extension ID, optional price) that is free by default; a paid 'featured placement' upsell is offered separately with admin verification before approval. |