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10 Actually Useful Chrome Extensions (2026)

DodaTech Updated 2026-06-20 25 min read

In this tutorial, you'll learn about 10 actually useful chrome extensions (2026). We cover key concepts, practical examples, and best practices to help you understand and apply this topic effectively.

Most Chrome extension lists lead with ad blockers. Ad blockers are essential — uBlock Origin is listed here — but this list is about the extensions that change how you browse, develop, and communicate. Every entry solves a specific daily annoyance or unlocks a capability most users don't know exists.

In this guide, you will learn how 10 carefully selected Chrome extensions can save you hours per week by eliminating repetitive tasks, reducing context switches, and surfacing information that browsers hide by default. Each extension addresses a concrete pain point — navigating without a mouse, debugging JSON APIs, profiling React performance, or identifying fonts at a glance. By the end, you will know which extensions earn a permanent spot in your toolbar and how to configure them for maximum impact.

The Extensions

Vimium — Keyboard navigation for Chrome. Press f to see link hints, j/k to scroll, H/L for back/forward, / to search. Once muscle memory kicks in, reaching for the mouse feels slow.

Vimium brings Vim-style modal navigation to Chrome without requiring any Vim knowledge. When you press f, every clickable link on the current page gets a two-letter hint overlay displayed inline. Type the two letters and the link opens without touching the mouse. This is the core mechanic that eliminates dozens of mouse movements per browsing session.

The j and k keys scroll down and up by half-page increments. This is faster than grabbing the scrollbar with the mouse or using the mouse wheel, primarily because your hands never leave the home row. The d and u keys perform full-page scrolls. For navigating history, H moves back and L moves forward in browser history, replacing the back and forward buttons.

Vimium also includes an "omnibar" accessible by pressing o that searches through your bookmarks, browsing history, and open tabs. You can type a partial page title and navigate directly to it without clicking through bookmarks menus. The b key opens a similar search limited to bookmarks. The T key searches only open tabs, which is useful when you have twenty tabs and need to find the one playing a video.

The extension is highly configurable through its Options page. You can remap any key, disable Vimium on specific sites via an excluded URLs list, and customize the appearance of link hints. The customization is stored in Chrome's sync storage so it roams across your devices. Vimium also has a "visual mode" activated by v that lets you select text using keyboard motions, copying it to the clipboard with y.

# Vimium custom key mappings configuration:
# Open Vimium Options page and add these to the "Custom key mappings" field:

# map <c-d> scrollPageDown
# map <c-u> scrollPageUp
# map <c-f> LinkHints.activateModeToOpenInNewTab
# map <c-j> nextTab
# map <c-k> previousTab
# map H goBack
# map L goForward

# Exclude sites where Vimium interferes with text input:
# https://mail.google.com/*
# https://docs.google.com/*

OneTab — Collapses all open tabs into a single list, freeing up 95% of memory. Restore tabs individually or all at once. Essential when research sessions leave you with 40+ tabs.

OneTab solves the problem of tab bloat with a single click. When you activate the extension, every open tab in the current Chrome window collapses into a dated list displayed on a single OneTab page. Chrome immediately frees the memory those tabs were using — typically hundreds of megabytes for tabs that loaded complex web applications like Gmail, Google Docs, or Jira.

The extension tracks how much memory it has saved since installation. This counter appears in the toolbar popup and serves as a tangible reminder of its value. Over a week of regular use, the number often reaches several gigabytes. The counter resets when you clear browser data, but you can view the all-time stats in the options.

OneTab exports tab groups to plain text, CSV, or as a shareable URL. The shareable URL is useful for sending a collection of reference links to a colleague without using a separate tool. You can also drag and drop individual tabs within the list to reorder them, add notes to each group, and delete individual tabs from the list without restoring them to the browser.

# OneTab export format:
# Group 1 - 2026-06-20
# https://example.com/research-page
# https://docs.example.com/api-reference
# https://github.com/example/project

# Group 2 - 2026-06-21
# https://news.ycombinator.com
# https://stackoverflow.com/questions/example

# Export by right-clicking the OneTab icon
# and selecting "Export / Import URLs"

GoFullPage — Captures full-page screenshots of any website with one click. Scrolling sections, Infinite Scroll pages — it handles them. Screenshots save as PNG automatically.

GoFullPage automates what would otherwise require a multi-step manual process: taking multiple screenshots at different scroll positions and stitching them together in an image editor. Click the extension icon, and it scrolls through the entire page from top to bottom automatically, capturing each viewport-sized section. It then assembles these sections into a single continuous image.

The extension handles dynamic content well. It waits for images to finish loading and pauses briefly to let JavaScript-rendered sections settle before scrolling to the next position. For pages with Infinite Scroll, you can configure a scroll delay in milliseconds to give lazy-loaded content time to appear. The extension also supports a "scroll to bottom first" option that pre-loads all lazy content before capturing.

GoFullPage includes basic annotation tools in its editor view. After the capture completes, you can crop the image, add numbered arrows for step-by-step documentation, draw rectangles and circles, blur sensitive information, and add text labels. These tools eliminate the need for a separate image editor when creating bug reports or documentation.

# GoFullPage keyboard shortcut:
# Default: Ctrl+Shift+F (Windows/Linux)
# Cmd+Shift+F (macOS)

# Configuration options:
# Image format: PNG (lossless) or JPEG (smaller file size)
# Scale factor: 1x or 2x for HiDPI/Retina displays
# Scroll delay: 500-2000ms for pages with lazy loading
# Auto-scroll to bottom: Enabled for infinite scroll pages

uBlock Origin — The best content blocker. Lightweight (uses less memory than similar blockers), highly configurable, and blocks ads, trackers, and malicious domains. Keep it simple — the default settings are excellent.

uBlock Origin distinguishes itself from competitors through engineering efficiency. Independent benchmarks show it uses 50-80% less memory than Adblock Plus or AdGuard while blocking more content with the default configuration. The memory savings come from a lean codebase that processes filter lists efficiently using a compressed trie data structure for pattern matching.

The default filter lists cover EasyList (advertisements), EasyPrivacy (tracking scripts), and several malware domain lists maintained by the uBlock community. You can enable additional lists from the dashboard without restarting the browser. The "annoyance" lists remove cookie consent banners, newsletter popups, and social media widgets that clutter the browsing experience.

Beyond blocking, uBlock Origin offers dynamic filtering that gives you per-domain control over script execution, frame loading, and remote font fetching. The element picker mode lets you click any element on a page and permanently hide it with a custom filter rule written automatically. The network request logger shows every request the page makes with color-coded block/allow decisions, which helps debug pages that break due to over-aggressive filtering.

# uBlock Origin filter lists recommended for developers:
# Go to uBlock Origin Dashboard -> Filter lists
# Enable these additional lists:
# - uBlock filters - Unbreak (prevents site breakage from filters)
# - Fanboy's Annoyance list (cookies, notifications, social widgets)
# - Peter Lowe's Ad and tracking server list (additional coverage)

# Dynamic filtering example:
# * 3p-script block  (blocks all third-party scripts sitewide)
# cdn.example.com * noop (allows cdn.example.com despite the block rule)

Tampermonkey — Runs user scripts on any website. Automate form fills, change page layouts, add keyboard shortcuts, bypass paywalls (ethically, for accessibility). With 100k+ scripts on Greasy Fork, it is the swiss army knife of browser automation.

Tampermonkey is the most popular user script manager for Chrome, letting you run custom JavaScript on any website you visit. You either install scripts from community repositories like Greasy Fork or write your own. Each script declares which URLs it should run on using @match patterns, and Tampermonkey injects the script code before the page's own JavaScript executes.

The community script repository Greasy Fork hosts over 100,000 scripts covering an enormous range of use cases. Popular scripts add download buttons to streaming sites, fix accessibility issues on government websites, remove paywall overlays that block screen readers, and add keyboard shortcuts to web applications that lack them. Each script page shows the source code, version history, user ratings, and installation count so you can evaluate trustworthiness.

Writing your own Tampermonkey scripts requires basic JavaScript knowledge. The metadata block at the top of the script defines its name, version, description, and URL patterns. The @grant directive controls which APIs the script can access. Scripts that request GM_setValue and GM_getValue can persist data across page loads, useful for tracking state in automation scripts. The built-in editor provides syntax highlighting, linting, and a "test" button that runs the script on the current page immediately.

// ==UserScript==
// @name         Auto-Expand Code Blocks
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Auto-expand collapsed code blocks on documentation sites
// @author       You
// @match        https://docs.example.com/*
// @grant        GM_addStyle
// ==/UserScript==

(function() {
  'use strict';
  var blocks = document.querySelectorAll('.code-block-collapsed');
  blocks.forEach(function(block) {
    block.classList.remove('code-block-collapsed');
    block.classList.add('code-block-expanded');
  });
  GM_addStyle('.code-block-expanded { max-height: none; overflow: visible; }');
})();

JSON Viewer — Formats and colorizes JSON in the browser. Syntax highlights, collapsible trees, and a search bar. Indispensable for API development — no more copying JSON into external formatters.

JSON Viewer transforms raw JSON responses from API calls into a readable, navigable tree structure directly in the browser tab. When you open a JSON file or visit an API endpoint that returns JSON, the extension automatically detects the Content-Type header and reformats the output in place. Nested objects become collapsible trees with syntax-highlighted keys in one color and values in another, making the structure immediately understandable.

The search functionality is what makes JSON Viewer indispensable for debugging. Press Ctrl+F to open the search bar, type any key name or value, and the extension highlights every match across the entire JSON structure while keeping the tree fully navigable. The results show the full path to each match, from root to the matching key. This is invaluable when debugging API responses with hundreds of nested properties.

JSON Viewer also includes an inline editor. Click any value in the tree and edit it directly. The changes apply immediately to the local view, and you can copy the modified JSON to clipboard using the toolbar button. This is useful when you need to test an API endpoint with a modified payload — edit the values visually without switching to a separate tool or text editor.

// Example: Making an API request whose response JSON Viewer will format
var url = 'https://jsonplaceholder.typicode.com/users/1';
fetch(url)
  .then(function(response) { return response.json(); })
  .then(function(data) {
    console.log('User data:', data);
  });

// Expected JSON structure that JSON Viewer renders as a collapsible tree:
// {
//   "id": 1,
//   "name": "Leanne Graham",
//   "username": "Bret",
//   "email": "Sincere@april.biz",
//   "address": {
//     "street": "Kulas Light",
//     "suite": "Apt. 556",
//     "city": "Gwenborough",
//     "zipcode": "92998-3874"
//   },
//   "phone": "1-770-736-8031 x56442",
//   "website": "hildegard.org",
//   "company": {
//     "name": "Romaguera-Crona",
//     "catchPhrase": "Multi-layered client-server neural-net",
//     "bs": "harness real-time e-markets"
//   }
// }

React Developer Tools — Adds a Components and Profiler tab to DevTools. Inspect React component props, state, and hooks in real-time. The Profiler identifies render performance issues.

React Developer Tools adds two dedicated panels to Chrome's DevTools that every React developer should know. The Components tab displays the full component tree of the current page as a navigable hierarchy, starting from the root component and drilling down through every child. Click any component to see its current props, state, hooks values, and context. You can edit props and state directly in the panel, which triggers a re-render with the new values — useful for testing how a component handles edge case inputs.

The Profiler tab records rendering performance. Click the circular record button, interact with the page, then click stop. The results show a flamegraph where each colored bar represents a component render. The bar width corresponds to the render duration. Components that took too long appear in warm colors (yellow to red), while fast renders appear in cool colors (blue to green). The ranked list view sorts components by render time, showing the most expensive renders at the top.

The extension also includes a "components" search that filters the tree by component name, useful when working with deeply nested structures. The "view source" button on any component opens the Sources panel at the component's definition. The settings panel has an option to trace updates, which briefly highlights components on the page with a colored border every time they re-render, providing instant visual feedback on rendering behavior during interactions.

// Example: Using React DevTools to debug unnecessary re-renders
function TodoItem(props) {
  return (
    <li style={{
      padding: '8px',
      textDecoration: props.todo.completed ? 'line-through' : 'none'
    }}>
      <input
        type="checkbox"
        checked={props.todo.completed}
        onChange={function() { props.onToggle(props.todo.id); }}
      />
      {props.todo.text}
    </li>
  );
}

// In React DevTools Profiler, TodoItem appears as re-rendering
// whenever the parent list re-renders, even if todo and onToggle
// are unchanged. The Profiler shows "rendered because hooks changed"
// or "rendered because parent rendered" as the reason.

// Optimized version using memoization:
var MemoizedTodoItem = React.memo(TodoItem, function(prevProps, nextProps) {
  return prevProps.todo.id === nextProps.todo.id &&
    prevProps.todo.completed === nextProps.todo.completed &&
    prevProps.todo.text === nextProps.todo.text;
});

Wappalyzer — Identifies every technology a website uses: framework, CMS, analytics, CDN, payment processor. One click reveals the full stack of any site.

Wappalyzer is a technology profiling tool that identifies the software stack behind any website with a single click. Click the extension icon on any page, and it displays a categorized list of every detected technology. The categories include web frameworks (React, Vue, Angular, Svelte), CMS platforms (WordPress, Drupal, Shopify, Squarespace), analytics tools (Google Analytics, Amplitude, Heap, Hotjar), CDN providers (Cloudflare, Fastly, Akamai, CloudFront), server software (Nginx, Apache, Caddy, IIS), and much more including advertising networks, payment processors, and JavaScript libraries.

The detection engine analyzes multiple signals simultaneously. It inspects HTTP response headers (Server, X-Powered-By, Set-Cookie patterns), HTML meta tags (generator names, framework-specific attributes), JavaScript global variables (window.React, window.NUXT, window.ga), CSS class naming conventions, and file paths in the page source. The signature database contains thousands of patterns contributed and maintained by an open community.

For developers, Wappalyzer provides competitive intelligence. Before choosing a technology stack for a new project, you can analyze similar sites to see what they use and understand the ecosystem. For security researchers, it provides a rapid inventory of attack surface. Knowing that a site runs Wordpress 5.8 with specific plugins tells you which CVEs might apply, saving hours of manual fingerprinting.

# Wappalyzer detection results example for a typical SaaS website:
# Frameworks: Next.js 14, React 18
# UI Libraries: Tailwind CSS, Framer Motion
# Analytics: Google Analytics 4, Mixpanel
# CDN: Cloudflare
# Hosting: Vercel
# Monitoring: Sentry, Datadog RUM
# Payments: Stripe
# Email: SendGrid, Postmark
# Fonts: Google Fonts, Font Awesome

WhatFont — Hover over any text on a page and it identifies the font family, size, weight, line height, and color. Essential for designers and frontend developers recreating designs.

WhatFont eliminates the guesswork from identifying web fonts used on any website. Activate the extension by clicking its toolbar icon, then hover over any text element on the page. A tooltip appears showing the font-family, font-size, font-weight, line-height, letter-spacing, and color in hex format. Click the element to lock the information in a persistent panel so you can copy individual values or inspect the full font stack at your leisure.

The extension also identifies the font service when applicable. It tells you whether the font comes from Google Fonts, Adobe Fonts (Typekit), or is a self-hosted web font, and provides a direct link to the font's source page. This is useful when you need to license the same font or use it in your own project. WhatFont detects fallback fonts in the CSS font-family stack and shows which font the browser actually rendered — important when the primary font failed to load and a fallback is active.

WhatFont works with icon fonts too. It detects Font Awesome, Material Icons, and other icon fonts, showing the icon's CSS class name and Unicode character. This is useful when recreating a UI element that uses icon fonts and you need to find the exact class. The extension is passive until clicked, so it does not affect page load time or consume resources during normal browsing.

/* WhatFont might detect these values from a production site: */
.product-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #111827;
}

/* WhatFont would show Inter as the rendered font
   if the Google Fonts version loaded successfully,
   or -apple-system if the web font failed to load. */

Loom — Records your screen, camera, or both with a shareable link instantly. No file uploads, no export step. Record a bug report, code review, or walkthrough and share the link in seconds.

Loom replaces the traditional screen recording workflow with a frictionless click-and-share model. Click the Loom extension icon, select your recording mode (screen only, camera only, or both), and start recording. When you stop, the video uploads to Loom's infrastructure in the background while you continue working. A shareable link copies to your clipboard automatically — no waiting for video encoding, no selecting a save location, no attaching files to an email or Slack message.

The primary use case at DodaTech is asynchronous communication in development workflows. Instead of writing a detailed bug report with numbered reproduction steps, a developer records a 30-second screencast showing the exact sequence of actions that trigger the bug. The viewer sees cursor movements, screen state, and hears the explanation in the developer's voice. This communicates context that would take paragraphs to describe in text, and eliminates the ambiguity that often leads to "I cannot reproduce it" responses.

Loom provides viewer analytics that show who watched each video, whether they watched the entire duration, and at what timestamp they stopped watching. This feedback is useful for determining whether your team actually watched the walkthrough you recorded. Videos support password protection, expiration dates, and domain-restricted viewing for client-facing content. The free tier includes unlimited recording length and basic analytics.

# Loom recording controls:
# Ctrl+Shift+R (Windows/Linux) or Cmd+Shift+R (macOS): Start or stop recording
# Alt+P: Pause or resume an active recording
# Esc: Cancel recording without saving

# Recording modes in Loom:
# Screen + Camera: Best for tutorials, walkthroughs, and code reviews
# Screen Only: Use for recording bugs or demonstrating visual issues
# Camera Only: Use for face-to-face async messages to your team

Setting Up Your First Tampermonkey Script

Tampermonkey is the most powerful extension on this list because it lets you customize any website to your needs. Creating your first script takes five minutes. Open Tampermonkey's dashboard by clicking its toolbar icon and selecting "Create a new script." The editor opens with a template script that includes the metadata block structure already filled in.

Replace the @match line with the URL pattern of the site you want to customize. For example, to run a script on all GitHub pages, use @match https://github.com/*. Write your JavaScript code inside the function body. Click File -> Save, then visit the target site. The script executes automatically when the page loads. Open the browser console to see any console.log output from your script.

Common beginner scripts include adding a dark mode toggle to sites that lack one, auto-expanding collapsed sections on documentation sites, and injecting keyboard shortcuts into web applications. Start with a simple script that changes a CSS property on a page you visit frequently. Once you understand the metadata block and the execution model, you can move on to scripts that make API calls, store data, and interact with page elements dynamically.

// Beginner script: Add a custom stylesheet to any documentation site
// ==UserScript==
// @name         Night Mode for Docs
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Adds a dark theme toggle to documentation pages
// @author       You
// @match        https://docs.python.org/*
// @grant        GM_addStyle
// @grant        GM_registerMenuCommand
// ==/UserScript==

(function() {
  'use strict';
  var darkCSS = 'body { background: #1a1a2e; color: #e0e0e0; } ' +
    'pre, code { background: #2a2a3e; color: #f8f8f2; } ' +
    'a { color: #66d9ef; }';

  GM_addStyle(darkCSS);

  GM_registerMenuCommand('Toggle Night Mode', function() {
    var style = document.getElementById('tamper-night-mode');
    if (style) {
      style.remove();
    } else {
      var s = document.createElement('style');
      s.id = 'tamper-night-mode';
      s.textContent = darkCSS;
      document.head.appendChild(s);
    }
  });
})();

Quick Start Installation

Installing any extension from this list takes under ten seconds. Open the Chrome Web Store, search for the extension name, and click "Add to Chrome." Chrome prompts you to review the permissions the extension requests before confirming installation. After installation, most extensions add an icon to the toolbar area to the right of the address bar.

Extensions like Vimium, Tampermonkey, and React Developer Tools benefit from some initial configuration to work optimally. Vimium opens its options page automatically after installation. For other extensions, right-click the toolbar icon and select "Options" or "Manage Extension" to access settings. Store your configuration preferences in Chrome's sync feature by enabling sync in chrome://settings/syncSetup so your settings roam across devices.

Troubleshooting Common Issues

Extensions sometimes conflict with each other. If a page behaves unexpectedly after installing multiple extensions, disable them one at a time to isolate the conflicting combination. The most common conflict is between uBlock Origin and Tampermonkey — uBlock may block scripts that Tampermonkey injects. Add an exception in uBlock's dashboard under "Trusted sites" to resolve this.

If an extension stops working after a Chrome update, check the extension's Chrome Web Store page for updates. Most extensions update automatically, but some require manual approval for new permissions. Chrome displays a warning icon on the extensions toolbar when an extension needs attention. Go to chrome://extensions and click "Update" to force-check for pending updates.

Extensions that request "read and change all data on websites you visit" should be evaluated carefully. Vimium needs this permission to inject link hints and keyboard handlers. Tampermonkey needs it to run user scripts. Extensions like OneTab and GoFullPage request it only for the current tab during active use. Verify the extension's justification for this permission level and avoid extensions that cannot explain why they need broad access.

How to Choose the Right Extension for Your Workflow

Not every extension on this list suits every developer. Evaluate which pain points you encounter most frequently in your daily work. If you spend significant time in DevTools debugging API calls, JSON Viewer pays for itself within the first hour. If you manage dozens of research tabs daily, OneTab is your highest-impact install. If you use React, React Developer Tools is not optional — it is a debugging necessity.

Start with two or three extensions that address your most frequent frustrations. Install them, configure them, and use them deliberately for a week. After the trial period, remove any extension that did not become habitual. An unused extension is not harmless — it adds attack surface, consumes storage, and may request unnecessary permissions.

Real-World Task

Apply these extensions to the following scenario: You are debugging a slow React application that fails to load data from an API endpoint.

  1. Use React Developer Tools Profiler to identify which components re-render unnecessarily when the data arrives.
  2. Open the API endpoint URL in a new tab. JSON Viewer automatically formats the response, making it easy to inspect the returned data structure.
  3. If the API returns an error, record a Loom screencast showing the request, response, and the broken UI. Share the link with your backend team.
  4. Use uBlock Origin's logger to verify that no third-party scripts are interfering with the application's network requests.
  5. Use Vimium to navigate through DevTools panels and the codebase without touching your mouse, maintaining flow during the debugging session.

Practice Questions

  1. Which extension would you use to inspect the props, state, and hooks of a React component running on a live production website without modifying the source code?
  2. Name two extensions from this list that help reduce visual or cognitive clutter in the browser, and describe the mechanism each uses.
  3. How does uBlock Origin achieve lower memory usage compared to Adblock Plus while blocking more content?
  4. What is the main advantage of OneTab over simply closing Chrome tabs you intend to revisit later?
  5. In what specific scenario would you choose WhatFont over inspecting font properties manually using Chrome's DevTools Computed panel?
  6. How does Vimium's link hint mode work at a technical level, and why does it reduce the dependency on mouse input?
  7. Which extension would help you build a technology inventory of a competitor's website for competitive analysis?
  8. What distinguishes GoFullPage from the built-in screenshot capabilities in Chrome DevTools?

Answers

  1. React Developer Tools — the Components tab in DevTools displays the full component tree and lets you inspect props, state, hooks, and context in real-time without touching the production code.
  2. uBlock Origin blocks ads, trackers, and malicious domains at the network level before they load into the page. OneTab collapses all open tabs into a single memory-efficient list page, removing the visual distraction of crowded tab bars.
  3. uBlock Origin uses a compressed trie data structure for filter matching that is more memory-efficient than Adblock Plus's approach, and it processes filter lists with a leaner codebase that avoids unnecessary DOM operations.
  4. OneTab preserves the full tab list with page titles and URLs in a restorable format, whereas closing tabs directly loses all reference unless you have the pages bookmarked individually.
  5. WhatFont provides instant on-hover identification of font-family, size, weight, line-height, letter-spacing, and color without navigating through DevTools, making it much faster when inspecting multiple elements in sequence.
  6. Vimium assigns unique two-character codes to each clickable link on the page using a JavaScript injection that traverses the DOM. Typing the code triggers a click event on the corresponding element, eliminating the mouse movement and click action entirely.
  7. Wappalyzer detects frameworks, CMS platforms, analytics providers, CDN services, payment processors, and more by analyzing HTTP headers, meta tags, JavaScript globals, and file path patterns.
  8. GoFullPage captures the entire page beyond the visible viewport, including content that requires scrolling, and stitches it into a single image. Chrome DevTools captures only the visible viewport area.
Are Chrome extensions safe?

Only install from the Chrome Web Store and check ratings and permissions before adding any extension. uBlock Origin and Tampermonkey are open-source and regularly audited by the security community. Avoid extensions that request "read all data on all websites" without a clear justification.

Do these extensions slow down Chrome?

Vimium, OneTab, and GoFullPage are inactive until triggered so they consume zero resources during normal browsing. uBlock Origin's efficiency is well-documented — it uses less memory than not blocking ads, since ads themselves consume more memory and CPU than the blocker. Wappalyzer and WhatFont only activate detection when you click their toolbar icons.

What happened to uBlock Origin for Manifest V3?

uBlock Origin Lite is the MV3-compatible version built on the declarativeNetRequest API. The original uBlock Origin continues to work in Chrome but may lose update support as Chrome phases out MV2 during 2026. uBlock Origin Lite offers slightly reduced filtering flexibility due to MV3 API limitations but remains an excellent blocker.

Can I use Tampermonkey scripts on mobile Chrome?

Tampermonkey is available for Android Chrome through the Chrome Web Store and functions identically to the desktop version. iOS Chrome does not support extensions due to Apple's WebKit restrictions, so Tampermonkey is not available on iOS devices.

Mini Project: Build a Research Dashboard

Combine OneTab, Wappalyzer, and GoFullPage to build a competitive research workflow. Pick five competitor websites and use Wappalyzer on each to document their technology stack in a spreadsheet. For each competitor, use GoFullPage to capture a full-page screenshot of their landing page and key product pages. Use OneTab to save all the research tabs in a named group with notes about what you discovered.

This workflow gives you a permanent record of each competitor's tech stack and visual design at a specific point in time. Revisit the research quarterly and repeat the process to track how their technology choices evolve. The OneTab export can serve as a changelog of what each competitor added or removed from their stack over time.

How should I manage many installed extensions?

Use Chrome's built-in extension manager at chrome://extensions to toggle extensions on and off. Use the "Details" button to control site access permissions per extension. Consider using Chrome's profile system to group extensions by use case — a Development profile with React DevTools and JSON Viewer, and a General profile with uBlock Origin and OneTab

Try installing one extension from this list today and use it for a full workday. You will notice the difference within hours.

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