Why the Grammarly Extension is Slowing Down Your Chrome Browser

If your Chrome browser has been feeling sluggish lately and you use Grammarly, there’s a good chance the writing assistant you rely on is the culprit. Many users are surprised to learn that Grammarly, despite being incredibly useful for catching typos and improving writing, can significantly impact browser performance. The good news is that you do not have to choose between a fast browser and good grammar. Understanding why this happens and how to fix it will help you get the best of both worlds.

Why Grammarly Slows Down Chrome

The Grammarly extension for Chrome does far more than just check your spelling when you type. It actively analyzes everything you write across nearly every website you visit. This constant monitoring requires the extension to run background processes continuously, which uses your computer’s memory and processing power.

When you have multiple tabs open, each with its own set of processes, the additional overhead from Grammarly adds up quickly. The extension injects scripts into web pages, monitors keystrokes in real-time, and communicates with Grammarly’s servers to provide suggestions. All of this happens in the background, even when you are not actively using the writing feature.

Another factor is how Grammarly interacts with certain websites. On complex pages with lots of dynamic content, like Google Docs, social media platforms, or email services, the extension has to work harder to keep up with your typing. This can cause noticeable typing lag, delayed responses, and in some cases, entire pages loading more slowly.

Signs That Grammarly Is Causing Your Slow Browser

Before you try fixing the problem, confirm that Grammarly is actually the source of your browser issues. Here are the most common symptoms to look for.

Your Chrome browser feels sluggish even with only a few tabs open. If you notice the lag improves when you disable Grammarly, that is a clear sign the extension is the problem.

Typing feels delayed. If there is a noticeable pause between pressing a key and seeing the character appear, especially in text fields on websites, Grammarly’s real-time analysis is likely the cause.

Chrome uses more memory than usual. You can check this by opening the Task Manager in Chrome (press Shift + Escape) and looking at the memory usage for each process. If a process named “Grammarly” or something similar is consuming significant resources, that confirms your diagnosis.

Websites load slower than they used to. If pages take longer to become interactive after you installed Grammarly, the extension may be interfering with how those pages load.

How to Fix Grammarly Slowing Down Your Browser

Fortunately, you do not need to give up on better writing to have a fast browser. Try these solutions in order, starting with the simplest ones.

Solution 1: Disable Grammarly on Specific Websites

Instead of turning off Grammarly entirely, you can disable it on websites where you do not need writing help. This is often the best compromise.

  1. Click the Grammarly icon in your Chrome toolbar
  2. Look for the settings or gear icon
  3. Find the option to manage “Website access” or “Site permissions”
  4. Disable Grammarly on sites where you do not need it, such as YouTube, news sites, or social media

This reduces the workload on your browser while keeping Grammarly active where you actually need it.

Solution 2: Turn Off Real-Time Suggestions

If you do not need instant feedback while typing, you can reduce Grammarly’s impact by adjusting its settings.

  1. Open the Grammarly dashboard by clicking its icon
  2. Go to Settings or Preferences
  3. Look for “Writing assistant” or “Real-time suggestions”
  4. Turn off the automatic checking and switch to manual checking only

With this change, Grammarly will only check your text when you explicitly ask it to, dramatically reducing its impact on performance.

Solution 3: Use the Grammarly Desktop App Instead

If you need Grammarly constantly but want to improve your browser’s speed, consider using the standalone desktop application instead of the browser extension. The desktop app runs independently from Chrome and does not add any overhead to your browser.

The desktop app provides the same grammar-checking functionality without interfering with your web browsing. You can copy and paste your text into the app, or use it alongside your browser without any performance conflicts.

Solution 4: Limit the Number of Open Tabs

While this is not specific to Grammarly, having fewer open tabs reduces the overall demand on your system. When Grammarly is running on top of dozens of tabs, the combined weight can really slow things down.

Consider using a tab management strategy, such as grouping related tabs together or using a tool like Tab Suspender Pro to automatically suspend tabs you are not currently using. This frees up memory and processing power, making your browser more responsive even with extensions like Grammarly running.

Solution 5: Disable Grammarly Completely and Reinstall If Needed

If nothing else works, try disabling Grammarly entirely for a few days to see how your browser performs. You might find that the improvement is significant enough that you prefer to use Grammarly only occasionally rather than having it run all the time.

If you decide to reinstall Grammarly later, make sure you are getting the latest version from the official Chrome Web Store, as older versions sometimes had performance issues that have since been addressed.

Other Extensions That Might Be Causing Problems

Grammarly is not the only extension that can slow down your browser. If you continue to experience lag after addressing Grammarly, check your other extensions. Extensions that run in the background, access all website data, or have not been updated in a long time are common culprits.

Go to Chrome’s extension management page (type chrome://extensions in the address bar) and review what you have installed. Remove any extensions you no longer use, and keep the rest updated. A clean extension list makes a noticeable difference in browser performance.

Final Thoughts

Grammarly is a valuable tool, but its browser extension can legitimately slow down Chrome, especially when you have multiple tabs open or use complex websites. By disabling it on specific sites, turning off real-time suggestions, or switching to the desktop app, you can enjoy both better writing and a faster browsing experience.

Take a few minutes to adjust your settings, and you will likely see an immediate improvement in how responsive your browser feels.

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