If you’ve ever opened your browser task manager and gasped at the 12 extensions eating 70% of your RAM, you’re not alone. Most of us stack extensions without thinking, until pages load slow, passwords leak, or the whole browser crashes mid-work. This is exactly why 9 Alternatives to Extensions isn’t just another list — it’s the fix for anyone tired of trading browser performance for convenience.

For years we’ve been told extensions are the only way to customize browsing, block ads, or save time. But 68% of popular browser extensions contain tracking code, according to independent security audits. Worse, even well-rated extensions get sold to malicious companies without warning. This article will walk you through every reliable replacement, break down when to use each one, and help you strip your browser back to the fast, private tool it was designed to be. You won’t have to give up any functionality — you’ll just stop giving away your data and RAM along the way.

1. Native Built-In Browser Tools

Most people install extensions for features that already exist right inside their browser. Chrome, Firefox, Edge and Safari all rolled out almost every popular extension feature between 2021 and 2023, but almost no one knows they’re there. You don’t need a separate extension to block popups, save passwords, translate pages, or take full page screenshots anymore. All of this works out of the box, uses 90% less memory, and never sends your data to third parties.

Firefox users in particular have access to extremely powerful native tools that most people never explore. Unlike third party extensions, these tools are maintained by the browser development team, get security patches every two weeks, and can’t be secretly sold to data brokers. Even basic features like tab grouping, which 12 million people install separate extensions for, works natively in every major browser today.

Here are the most common extensions you can replace today:

• Ad blockers: Replace with Firefox Enhanced Tracking Protection strict mode
• Password managers: Replace with browser built-in password sync
• Screenshot tools: Replace with native full page capture
• Translation tools: Replace with built-in page translation

To find these tools, open your browser settings page and spend 10 minutes browsing the privacy and features menus. You will almost certainly find three or four extensions you can uninstall immediately. Most people remove at least 5 extensions after doing this once, and report a 30-40% improvement in browser load speed right away.

2. Lightweight Custom User Scripts

When you need a small custom feature that doesn’t come built into your browser, user scripts are the next best step before installing a full extension. User scripts are tiny snippets of code that run only on specific pages, instead of running constantly in the background like extensions. They use less than 1% of the memory that a comparable extension consumes.

You only need one small open source script manager to run all your scripts, and even that uses far less resources than a single average extension. All scripts are fully visible, so you can read exactly what they do before running them, unlike extensions which almost always hide most of their code from users. This makes them dramatically more secure for any custom functionality.

Popular use cases for user scripts include:

1. Removing annoying paywalls from news sites
2. Adding custom keyboard shortcuts to web apps
3. Cleaning up cluttered website interfaces
4. Auto-filling common form fields safely

Always only install scripts from trusted public repositories, and never run a script that you can’t read a simple summary for. Most good scripts have been reviewed by hundreds of other users, and have public comment threads where issues are discussed openly. For 90% of custom use cases, a 20 line user script will work better than a 10,000 line extension.

3. Standalone Desktop Utilities

Many people install browser extensions for tasks that don’t need to run inside the browser at all. Things like note taking, screenshot editing, link shortening, and file conversion work much better as small standalone desktop apps. These apps don’t have access to your browsing history, don’t run when you don’t need them, and work across every program on your computer, not just your browser.

For example, a standalone screenshot tool will let you capture anything on your screen, edit it, and share it in half the time of a browser screenshot extension. It will also never see the passwords you type, the emails you read, or the bank account pages you visit. This is one of the easiest security improvements you can make to your entire workflow.

Common Extension	Standalone Replacement	RAM Usage Difference
Browser Note Taker	System Sticky Notes	87% less
PDF Converter	Desktop PDF Tool	92% less
QR Code Generator	Local QR App	95% less

Most modern operating systems already have almost all of these utilities built in, you just haven’t started using them yet. Once you move these tasks outside your browser, you’ll notice immediately how much faster every web page loads. You’ll also never have an extension crash take down your entire browser again.

4. Simple Bookmarklets

Bookmarklets are the oldest and most underrated trick on the web. These are tiny one line scripts that you save as a regular bookmark. They only run when you click them, so they use exactly zero memory and zero processing power when you aren’t using them. No background processes, no tracking, no hidden permissions at all.

You can use bookmarklets for almost every one click task you currently use an extension for. They work on every browser, every device, and sync across all your devices just like regular bookmarks. There are thousands of free, public bookmarklets available for every common task, and you can even make your own in five minutes with very basic code knowledge.

Some of the most useful public bookmarklets let you:

• Save an article to your reading list instantly
• Remove all ads from a page you’re already on
• Generate a clean share link without tracking parameters
• View any page without login walls

The biggest advantage of bookmarklets is that they can’t do anything without you explicitly clicking them. Unlike extensions that watch every page you load all day long, a bookmarklet only runs once, for the page you are currently looking at. For one click actions, there is literally no better option available today.

5. DNS-Level Content Filtering

If you are running an ad blocker extension, this is the single biggest upgrade you can make right now. DNS level filtering blocks ads, trackers, and malware before any data even reaches your browser. It works for every device on your network, not just one browser, and uses exactly zero browser resources at all.

Most people don’t realize that ad blocker extensions are actually one of the heaviest things you can run in your browser. They have to inspect every single piece of data that loads on every page, 24 hours a day. DNS filtering does this same work once, on your router or DNS provider, before your browser ever receives anything.

To set this up properly:

1. Choose a trusted public DNS provider with filtering
2. Update the DNS settings on your router or individual device
3. Enable strict filtering mode for trackers and malware
4. Uninstall all browser ad blocker extensions completely

Independent testing shows that DNS level blocking removes 98% as many ads as the most popular ad blocker extensions, while making average page load times 22% faster. It will also block ads inside apps, smart TVs, and every other device connected to your internet. This is a set it and forget it upgrade that most people never go back from.

6. Progressive Web App Built-In Features

Almost every major web service now offers a progressive web app version, and almost no one uses the features built into them. Instead of installing extensions to add functionality to Gmail, Twitter, or your project management tool, enable the PWA version first. These apps have native features built right in that extensions used to be required for.

PWAs can send desktop notifications, work offline, pin to your taskbar, and run in their own separate window completely separate from your main browser. They don’t load any of your other extensions, so they run fast and clean even if your main browser window is full of open tabs.

Extension Purpose	PWA Replacement Feature
Email Notifier	PWA native system notifications
Calendar Reminder	Calendar PWA background sync
Social Media Muter	Built-in PWA content controls

You can install a PWA for any supported site in two clicks, right from the address bar of most modern browsers. Once you start using separate PWAs for the tools you use every day, you will barely ever need custom extensions at all. Each one runs as its own isolated process, so crashes in one app never affect anything else.

7. Separate Custom Browser Profiles

Instead of running different extensions for different tasks, run separate browser profiles. This is the most powerful browser feature that almost no regular user knows about. You can create a completely separate, clean browser profile for work, personal use, shopping, banking, or any other task.

Each profile has its own bookmarks, settings, cookies, and yes, its own extensions. That means you only need to run your work related extensions when you are actually using your work profile. You will never have your shopping ad blocker running while you check your bank account, or have your social media extensions running while you are working.

Common profile setups most people use include:

• A locked down banking profile with zero extensions enabled
• A work profile with only approved work tools
• A casual browsing profile for general internet use
• A throwaway profile for testing questionable links

Switching between profiles takes one click, and you can have multiple profiles open at the same time. On average, people run 70% fewer extensions total once they start using separate profiles, and have far fewer browser performance issues. This also dramatically improves your online privacy by separating all your different online activities from each other.

8. Search Engine Custom Shortcuts

Nearly one out of every five productivity extensions only exists to add search shortcuts to your browser. Every single modern browser has this feature built in natively, and it works faster and better than any extension ever will. You can set up a custom shortcut for any website or search engine on earth.

For example, you can set it so typing 'w cat' in your address bar takes you directly to the Wikipedia page for cats. Or type 'amazon headphones' to search Amazon directly, or 'yt recipe' to search YouTube. This works for every site, every dictionary, every store, and every tool you use regularly.

To add your own custom search shortcuts:

1. Open your browser search settings
2. Scroll to the site search section
3. Add the site address and your preferred shortcut keyword
4. Start using it immediately from the address bar

Most people set up between 10 and 20 of these shortcuts, and then uninstall all their search related extensions. Once you get used to this system you will never go back. It cuts several seconds off every single search you do, and never runs any background code at all.

9. Command Line Browser Tools

For power users, command line browser tools eliminate almost every remaining reason to run extensions. These are small, fast open source tools that interact with web content outside of your graphical browser entirely. They are perfect for automation, bulk actions, and repetitive tasks that people usually install bloated extensions for.

You can use these tools to download files, convert pages, test links, scrape public data, and check site statuses all without ever opening a browser tab. They use a tiny fraction of system resources, are 100% auditable, and never track any of your activity at all.

Common Extension	Command Line Replacement
Bulk Image Downloader	wget / curl
Site Status Checker	httpie
Page Archiver	pup

You don’t need to be an expert developer to use most of these tools. Most simple tasks only require one line of code that you can copy and paste from public guides. For anyone that does regular repetitive work on the web, these tools will save you more time than every extension you have ever installed combined.

At the end of the day, extensions were never meant to become permanent fixtures of your browser. They were designed for rare, one off use cases, not to run 10 at a time every single day. Every one of the 9 alternatives to extensions we covered here will give you all the same functionality, while making your browser faster, safer, and far more reliable. You don’t have to remove every extension today — start with just one, test the alternative, and work through the list one at a time.

Go open your browser extension manager right now. Pick the oldest, most forgotten extension you have installed, and look up one of the replacements from this article. Most people are shocked how little they miss any extension once they uninstall it. Within a month, you’ll have a browser that loads instantly, never crashes, and stops sharing your data with dozens of unknown companies every single day.