324,354 extensions · updated Jun 25, 2026
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| Name | Category | Developer | Users ↓ | Trend 90d | Rating | Reviews | Version | MV | Size | Langs | Permissions | Updated | ★ | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Pinegrow Web Designer Easily mockup and design webpages with drag & drop component… | Developer Tools | Humane Technologies | 8.0K | down 11.1 percent−11.1% | ★ 3.9 | 55 | 1.0.5 | V2 | 8.24KiB | 1 | — | Jan 24, 2014 | |
 | JSON-LD Tester JSON LD Test and Viewer | Developer Tools | Gerhard Kanzler | 8.0K | no change0% | ★ 4.9 | 16 | 1.0.14 | V3 | 390KiB | 1 | webRequest, declarativeNe… | Jul 23, 2024 | |
 | FoxyCrown Cookie Manager FoxyCrown Cookie Manager | Developer Tools | — | 8.0K | up 133.3 percent+133.3% | ★ 5.0 | 1 | 1.7 | V3 | 484KiB | 1 | cookies, tabs, storage | May 11, 2026 | |
 | 下载网页所有资源 下载网页所有资源，包含html、css、javascript、images，按照网站原有目录结构下载所有资源，方便资源查… | Developer Tools | Download | 8.0K | no change0% | ★ 3.4 | 8 | 1.0.0 | V3 | 468KiB | 3 | tabs, background, webRequ… | Jul 14, 2022 | |
 | Java Cloud Hosting Easy to Start, Easy to Deploy, Easy to Scale | Developer Tools | Jelastic | 8.0K | no change0% | ★ 3.0 | 84 | 1.9.1.2 | V2 | 14.31KiB | 1 | — | Apr 5, 2013 | |
 | WME Toolbox Adds many features to the Waze editor | Developer Tools | Toolbox Devs | 8.0K | up 12.5 percent+12.5% | ★ 4.6 | 234 | 1.10.6 | V3 | 1.0MiB | 1 | — | Jun 14, 2026 | ★ |
 | Web Component DevTools Developer tooling for Web Components and Web Component Libra… | Developer Tools | Matsuuu | 8.0K | no change0% | ★ 4.3 | 9 | 0.2.2 | V3 | 1.74MiB | 1 | tabs, contextMenus, scrip… | Feb 2, 2023 | ★ |
 | CC Gen Discover fake cc gen, the ultimate fake debit card generator… | Developer Tools | Andrew | 8.0K | no change0% | ★ 4.0 | 21 | 1.2 | V3 | 1.91MiB | 52 | storage | May 22, 2025 | |
 | CentralCSP - Content-Security-Policy (CSP) Builder Author, debug, and roll out Content-Security-Policy headers … | Developer Tools | CentralSaaS | 8.0K | up 6381.5 percent+6381.5% | ★ 5.0 | 3 | 2.0.0 | V3 | 680KiB | 1 | storage, tabs, declarativ… | May 18, 2026 | |
 | Selection Highlighter Highlight occurrences of selected text, with or without a ke… | Developer Tools | neaumusic | 8.0K | no change0% | ★ 4.6 | 95 | 3.3.0 | V3 | 485KiB | 1 | storage | Jul 10, 2025 | |
 | Resource Override An extension to help you gain full control of any website by… | Developer Tools | justmonika729 | 8.0K | no change0% | ★ 3.8 | 10 | 2.0 | V3 | 437KiB | 1 | declarativeNetRequestWith… | Oct 4, 2024 | |
 | SP Editor SharePoint Online dev toolbox: PnP JS & Graph SDK consoles, … | Developer Tools | Tomi Tavela | 8.0K | no change0% | ★ 4.8 | 53 | 8.0.1 | V3 | 13.82MiB | 1 | activeTab, scripting, dow… | Jun 1, 2026 | |
 | Analysis SEO & Website Checker - PR-CY Check your website on technical, seo content and popularity … | Developer Tools | prcy | 8.0K | no change0% | ★ 4.9 | 527 | 1.6.2 | V3 | 170KiB | 7 | activeTab, scripting | Jul 19, 2024 | ★ |
 | Advanced User Agent Switcher Helps users to change browser user agent string across all w… | Developer Tools | KodeMuse Software Pr… | 8.0K | no change0% | ★ 3.0 | 6 | 2.0.0.4 | V3 | 236KiB | 1 | declarativeNetRequest, st… | Oct 27, 2024 | ★ |
 | Cookies Extractor Cookies Extractor is a handy tool to help developers extract… | Developer Tools | HappyCoder | 8.0K | up 16.7 percent+16.7% | ★ 5.0 | 2 | 2.0.0 | V3 | 94.48KiB | 1 | cookies | Mar 30, 2025 | |
 | Character Count Character and word count in your text | Developer Tools | roman22.in | 8.0K | down 11.1 percent−11.1% | ★ 3.4 | 12 | 1.2 | V3 | 25.79KiB | 1 | activeTab, scripting, sto… | Apr 16, 2026 | ★ |
 | Qualys Browser Recorder Qualys Browser Recorder is a free browser extension to recor… | Developer Tools | Qualys Inc. | 8.0K | down 12.5 percent−12.5% | ★ 3.6 | 8 | 1.4.21_10 | V3 | 1.13MiB | 1 | tabs, activeTab, webReque… | Jun 8, 2026 | |
 | Userflow Preview Userflow drafts before installing Userflow.js, and d… | Developer Tools | Userflow | 7.0K | no change0% | ★ 5.0 | 9 | 4.12.0 | V3 | 458KiB | 1 | storage, scripting, webRe… | May 21, 2026 | |
 | Selenium Object Finder Find Selenium Objects - id, name and custom attributes highl… | Developer Tools | monirul.sk | 7.0K | no change0% | ★ 3.1 | 21 | 3.1 | V3 | 181KiB | 1 | activeTab, scripting | Jan 6, 2024 | ★ |
 | Random password generator A simple random password generator for Chrome browser | Developer Tools | Matija Matečić | 7.0K | no change0% | ★ 4.6 | 14 | 2.7 | V3 | 83.91KiB | 1 | storage | Jan 8, 2025 | ★ |
 | HostAdmin App Saving your time when you switch domain-ip mapping (Hosts fi… | Developer Tools | T.G. | 7.0K | no change0% | ★ 2.8 | 93 | 1.5.0.1 | V2 | 172KiB | 1 | storage | May 4, 2014 | |
 | Codeanywhere Cloud IDE · Online Code Editor · Codeanywhere - this extensi… | Developer Tools | Codeanywhere, Inc. | 7.0K | down 12.5 percent−12.5% | ★ 4.3 | 197 | 8.0.2 | V3 | 627KiB | 1 | storage, scripting, conte… | Feb 3, 2025 | |
 | Responsive Website Testing Toolkit - Multiple Viewport Simulator An essential tool to test the responsiveness of any website … | Developer Tools | Rahul Baruri | 7.0K | up 50.0 percent+50.0% | ★ 4.0 | 20 | 1.0.2 | V3 | 199KiB | 1 | storage, downloads, decla… | May 19, 2026 | |
 | Cookie Tool 单击插件下Get Cookie条目，就可以获取当前页面的Cookie并粘贴至剪切板. 可以直接粘贴进postman等工具… | Developer Tools | 838924569 | 7.0K | up 25.0 percent+25.0% | ★ 4.6 | 10 | 0.0.1 | V3 | 17.22KiB | 1 | cookies | Mar 12, 2025 | |
 | SerpWorx SerpWorx SEO extension. Free trial version, no cc req, only … | Developer Tools | SerpWorx | 7.0K | no change0% | ★ 4.2 | 48 | 2.4.8 | V3 | 1.39MiB | 7 | tabs, storage, activeTab | Jan 23, 2026 | ★ |
 | Flowbase Chrome Extension Unlock advanced features directly inside of the Webflow desi… | Developer Tools | Flowbase | 7.0K | no change0% | ★ 4.7 | 12 | 2.8.0 | V3 | 1.62MiB | 1 | storage | Apr 16, 2026 | ★ |
 | ModHeader - Modify HTTP headers Modify HTTP request headers, response headers, and redirect … | Developer Tools | — | 7.0K | up 200.0 percent+200.0% | ★ 5.0 | 1 | 7.0.14 | V3 | 673KiB | 2 | alarms, contextMenus, sto… | Jan 8, 2026 | |
 | NetSuite: HTML Script Notes Add HTML elements and styles to your script notes. View Pret… | Developer Tools | David Smith | 7.0K | no change0% | ★ 4.3 | 24 | 2.4 | V3 | 245KiB | 1 | scripting | Jan 21, 2026 | |
 | Tailwind CSS Devtools Tailwind CSS Developer Tools | Developer Tools | Tailscan | 7.0K | no change0% | ★ 4.4 | 9 | 0.1.1 | V3 | 857KiB | 1 | — | Jun 16, 2022 | ★ |
 | Stape GTM Helper Enhance your Google Tag Manager debugging. | Developer Tools | Stape | 7.0K | up 20.0 percent+20.0% | ★ 5.0 | 43 | 3.2.0 | V3 | 598KiB | 1 | webNavigation, scripting,… | Apr 21, 2026 | |
 | Simple Ruler A very simple ruler to check your webpage, without ads, with… | Developer Tools | danrnascimento | 7.0K | no change0% | ★ 4.4 | 9 | 32.0.0 | V3 | 44.62KiB | 1 | activeTab, scripting, sto… | Oct 12, 2024 | |
 | Open Graph Checker Check and preview the social sharing details from a page's O… | Developer Tools | Coywolf | 7.0K | no change0% | ★ 4.5 | 13 | 0.2 | V3 | 125KiB | 1 | tabs | Oct 18, 2022 | ★ |
 | Puppeteer IDE Develop, test and execute puppeteer scripts from browser's d… | Developer Tools | patil.gajananps | 7.0K | no change0% | ★ 4.6 | 12 | 0.0.0.7 | V3 | 2.52MiB | 1 | debugger, storage | Jan 25, 2022 | ★ |
 | Facebook Cookie Manager - VSM Login to Facebook using cookies. | Developer Tools | contact | 7.0K | up 25.0 percent+25.0% | ★ 3.7 | 3 | 1.0 | V3 | 18.93KiB | 1 | cookies | Oct 29, 2024 | |
 | My Little Password Create password protected ZIP files | Developer Tools | François Beaufort | 7.0K | no change0% | ★ 3.9 | 24 | 0.3 | V2 | 4.39MiB | 1 | — | Apr 30, 2015 | |
 | Caret-T Fork of Caret Editor that has full Tern integration (Intelli… | Developer Tools | Morgan Yarbrough | 7.0K | no change0% | ★ 3.7 | 62 | 1.7.134 | V2 | 3.46MiB | 1 | webview, clipboardRead, c… | Aug 9, 2022 | |
 | Screenshot with URL - Full Page Screenshot Capture full page, visible & selected area screenshots with … | Developer Tools | SelectorsHub | 7.0K | up 16.7 percent+16.7% | ★ 4.9 | 34 | 1.4.7 | V3 | 221KiB | 1 | activeTab, tabs, download… | Jun 16, 2026 | ★ |
 | Grid Lines Ruler Create grids on pages that provide the developers visual hin… | Developer Tools | v & g | 7.0K | no change0% | ★ 4.3 | 28 | 0.0.0.1 | V3 | 152KiB | 1 | storage | Sep 26, 2022 | ★ |
 | Base64 Encoder and Decoder Encode plain text to Base64, Decode Base64 text to plain tex… | Developer Tools | Link Webbie | 7.0K | no change0% | ★ 4.7 | 3 | 1.5.2 | V3 | 64.0KiB | 1 | — | Oct 18, 2022 | ★ |
 | Convert Experience Tools Helps customers that use Convert Experiences A/B testing too… | Developer Tools | Convert.com | 7.0K | no change0% | ★ 4.2 | 5 | 1.10.1 | V3 | 1011KiB | 1 | cookies, webRequest, webN… | Jun 11, 2026 | |
 | Heading Tag Markup This extension shows the h-Tags on page. | Developer Tools | Webreload | 7.0K | up 16.7 percent+16.7% | ★ 4.6 | 8 | 1.2 | V3 | 10.58KiB | 2 | tabs, storage | May 3, 2025 | |
 | CthulhuJs (Anti-Fingerprint) Your browser, your rules — your digital fingerprint, in your… | Developer Tools | shawnli | 7.0K | up 133.3 percent+133.3% | ★ 4.3 | 36 | 9.0.2 | V3 | 2.04MiB | 2 | storage, tabs, browsingDa… | May 14, 2026 | |
 | What Font - find font Lets you know what font is used on any website | Developer Tools | martinneeshamrt | 7.0K | up 16.7 percent+16.7% | ★ 3.8 | 4 | 1.0.0 | V3 | 89.51KiB | 52 | scripting, storage, unlim… | Mar 27, 2023 | ★ |
 | Rails Panel Devtools panel for Rails development | Developer Tools | Dejan Simic | 7.0K | no change0% | ★ 4.8 | 107 | 1.0.1 | V3 | 717KiB | 1 | activeTab, offscreen, cli… | Apr 29, 2024 | |
 | AntiDebug Breaker JavaScript Reverse Tools -- JS逆向工具 | Developer Tools | 0xsdeo | 7.0K | up 150.0 percent+150.0% | ★ 5.0 | 13 | 3.0.8 | V3 | 5.58MiB | 1 | storage, scripting, activ… | Jun 12, 2026 | |
 | Next.js Explorer - NextJS App & Pages Router Quickly check if a webpage is built with Next.js and explore… | Developer Tools | Manel | 7.0K | up 28.6 percent+28.6% | ★ 5.0 | 4 | 1.10.0 | V3 | 197KiB | 1 | activeTab, scripting, sto… | Feb 5, 2026 | ★ |
 | GA4 Fixer Patch holes in GA4 for better reporting. Adds '% of Total' i… | Developer Tools | Fixer Five | 7.0K | down 14.3 percent−14.3% | ★ 4.9 | 13 | 2.1.11 | V3 | 3.3MiB | 1 | activeTab, storage, scrip… | Nov 24, 2024 | |
 | Exploratory Testing Extension Chrome extension for exploratory testing | Developer Tools | Francisco Moreno | 7.0K | no change0% | ★ 4.3 | 21 | 4.1.1 | V3 | 618KiB | 1 | storage, tabs, activeTab,… | Mar 11, 2026 | ★ |
 | CSSViewer CSSViewer | Developer Tools | SelectorsHub | 7.0K | up 20.0 percent+20.0% | ★ 4.3 | 12 | 0.0.5 | V3 | 73.26KiB | 1 | activeTab, scripting | May 20, 2026 | ★ |
 | Session Replay browser extension Session Replay browser extension that allows to proxy loadin… | Developer Tools | saas.vendor.rum | 7.0K | no change0% | — | — | 1.2.0 | V3 | 28.46KiB | 1 | — | Jun 17, 2026 |