I've spent a lot of my time recently testing out different AI browsers, and finding different ways to automate repetitive tasks I do every single day that takes a significant chunk of my time. Though I initially thought I'd immediately uninstall the first AI browser I downloaded and vow to never try one again, I surprisingly ended up converting to an AI browser for good.

And while I have my reasons for switching to an AI browser, I also completely understand (and acknowledge) the concerns that come with using an AI browser as your default. My colleague, Adam, talked in detail about all the reasons why you shouldn't use an AI browser.

That said, if you feel like you're missing out on all the benefits AI browsers do have yet and aren't willing to download a full-fledged AI browser, there's fortunately a middle ground. You can use the extensions below to bring many of the same AI-powered features to your current browser.

FillApp

Frankly, I don't find the AI we're all used to all that exciting. It gets the job done, sure, but it often feels limited, rigid, or just… predictable. Agentic AI, though, is a whole different level. AI browsers are what got me into agentic AI. The very first AI browser I tried out was Opera's Neon, and its agentic abilities were enough to convince me to give the browser a proper shot.

Fast forward to today, it's the browser I use most. If you aren't familiar with agentic AI, it's essentially AI that goes beyond responding to your prompts and actually takes initiative for you. Once you've given it a task, it comes up with an efficient plan, and then asks for your greenlight to begin executing it. From that point on, it manages the task proactively, making adjustments as needed and keeping you informed along the way.

Finding a browser extension that brought agentic AI in the form of a Chrome extension was likely the most difficult part of this. Sure, ChatGPT has an Agent mode that lets it take limited initiative, but it’s not quite the same as having a fully agentic AI baked directly into your browser workflow. After trying more extensions than I can count on my fingertips, I finally came across a Reddit post about an extension called FillApp.

Similar to AI browsers, you can ask it to do a task in completely natural language, and it’ll get right on it. When it needs your input to proceed or gets stuck, it will ask you. For example, I asked the agent to find me a refurbished Logitech steering wheel from the US Logitech store, and it did all the browsing in front of me. I also made it fill a bunch of forms I needed for college (all with the same level of autonomy).

The best part is that everything happens right alongside your browsing. The FillApp extension opens in the side panel you don't need to switch to a new tab or window to give it instructions. With the free tier, you get 20 credits per month. Once you run out, you can either wait for the next month or subscribe to one of its premium tiers.

Perplexity - AI Companion

While every AI browser has a unique edge to it, one thing you'll find across pretty much every AI browser (at least all the major ones like ChatGPT Atlas, Opera Neon, Perplexity's Comet, and even Norton's Neo) is an AI assistant tucked away neatly in the sidebar. This sidebar allows you to instantly ask the AI assistant questions, without needing to so much as open a new tab.

You can quickly ask any question you may have, ask the assistant to find you new sources (which Perplexity excels in), and pretty much everything you can do when you open an AI chatbot the typical way. Some AI browsers like Comet also have handy keyboard shortcuts that let you summarize the webpage you're currently viewing.

Beyond the convenience of being able to pull an AI assistant and ask them anything without needing to open a tab, the biggest reason why I prefer this is because it cuts down on clutter. With an AI assistant built right into the sidebar, I no longer need to open new tabs just to look something up or summarize a page — everything happens in the same window. With Perplexity's extension, you can replicate this experience, to an extent.

Once you install it, I recommend pinning it to your extension so you can access it with just one click whenever you need it. The built-in assistants you'll find within AI browsers all search with contextual awareness (meaning they understand what’s on the page you’re viewing). Fortunately, the same applies here!

Similar to Comet, which offers a summarization option, the Chrome extension also includes a Summarize button that you can hit to instantly generate a concise summary of the webpage you're on. Although all AI browsers come with their own built-in chatbots and not Perplexity specifically, this is the only official extension directly developed and maintained by the Perplexity team. So, it's the best option I think there is if you want, unless you're comfortable with using third-party chabtot overlay.

ChatGPT search

Similar to how nearly every AI browser comes with its own chatbot tucked into the sidebar, most also set that chatbot as the default search engine. Unless you tweak the settings and change it manually, the queries you type into the address bar are automatically routed through the browser's AI (ChatGPT for Atlas, Perplexity for Comet, etc.) instead of a traditional search engine.

I'm not too big of a fan, as I think not every single search needs AI (think simple time conversions), and waiting for the AI to process something a regular search could answer instantly feels unnecessary. Nonetheless, it is a core part of every AI browser, so I had to include an extension, ChatGPT Search, that replicates this functionality. Unlike the Perplexity extension, this one doesn’t let you access ChatGPT in the form of a sidebar.

Instead, it changes your default search engine to ChatGPT Search. Once installed, every query you type in your browser's URL bar will redirect to ChatGPT. It opens a new ChatGPT Chat thread and searches your query in ChatGPT's Search mode. If you'd like to search something on Google, you can do so by typing !g before your query. For example, typing !g best coffee shops near me will run that search on Google instead of ChatGPT.

AI Tab Master

While AI-powered tab management isn't technically a feature per se you'll find in all AI browsers, it's undoubtedly among the biggest reasons why I can't imagine not using an AI browser in 2025. I'm a very chaotic person, and my browser always has dozens of tabs open.

I've tried a lot of different extensions to manage my tabs before, along with all the basic tab management features you find in browsers. None of them really worked for me and felt very limited. When I first tried out Comet, the very first thing that impressed me was how I could tell the assistant to simply "close all duplicate tabs" or "close all my distracting tabs that aren't directly related to xyz," and it would do exactly that.

That's the kind of simple, yet effective tab management feature I was looking for. While the number of AI-powered tab management extensions is quite low, I managed to find one that comes close: AI Tab Master. Once you've installed the extension, the app's functions are divided into three tabs: Tab Groups, Deduplicate Tabs, and Merge Windows.

The Tab Groups feature has a Group tabs with AI checkbox, which, when enabled, automatically analyzes your open tabs and intelligently groups them based on content and context. Deduplicate Tabs does exactly what it sounds like: it finds and closes duplicate tabs, saving memory and reducing clutter.

Finally, Merge Windows lets you consolidate multiple browser windows from the same profile into one. I'm a big fan of the first two. While the extension doesn't let me type commands in natural language like in Comet, it's still far better than managing tabs manually.

Get an AI browser feel without switching

If you want the feel of an AI browser without actually switching, these extensions are your best bet. All of them are free to download and use, although they each come with their own limits and quirks.