How to fix Chrome using too much memory

You wouldn’t be the first person to wait frustratingly long for your PC to do something, only to open Task Manager and find that your RAM usage is 100% (with Google Chrome sitting at 60% or higher). That’s why you’re reading this post, and you wouldn’t be crazy to think that Chrome uses more memory than it should. It’s actually one of the most memory-hungry browsers from the most popular choices.

The problem gets worse when you know that, while 8 to 16 GB of RAM has become the minimum industry standard, there are still so many people stuck on workstations with less. One of the most popular selling laptops currently is the 4 GB HP14. Not everyone has the luxury of the 8 to 16GB required, either for their own financial reasons or because their employer couldn’t justify the expense for a new hire.

But before you panic about having to lose your favorite browser, there are a few things you can try to cut down the amount of memory it uses so you can maintain your current workflows without a costly memory upgrade.

Why Chrome uses so much memory

On average, Chrome uses about 1,000 MB of RAM per 10 tabs, which seems like a completely reasonable number. Most standard office workers would have 10 to 20 tabs open, using about 2 GB of RAM. Not great, but still manageable on a 4 GB workstation. Unfortunately, that’s without taking into account Chrome’s multi-process architecture.

Chrome’s architecture isolates each tab, extension, and plugin into separate processes. This design is kind of a double-edged sword. It enhances stability and security, preventing one faulty tab from crashing the entire browser, but it also leads to higher memory consumption, especially with multiple tabs active. That turns those 10 tabs you opened into 25 to 35 on Task Manager eating away at 3 to 5 GB of RAM.

In contrast, browsers like Firefox and Microsoft Edge use more consolidated or hybrid models that share processes across tabs, resulting in lower RAM usage but more instability.

Other factors that influence Chrome’s memory usage include:

• Extensions: Studies have found that, by running persistent background scripts, too many extensions can reduce the performance of Chrome pages and increase their resource consumption, including RAM.
• Site isolation: Introduced for added security after the famous Spectre processor vulnerability, site isolation forces each domain into its own process and further increases memory load by 10 to 13%.
• Hardware acceleration: While improving graphics performance on webpages, hardware acceleration can also spike memory usage on older GPUs.

What this means for companies

When Chrome consumes excessive memory across multiple endpoints, businesses face two key risks:

1. Reduced productivity: High memory usage slows down systems, leading to lag in critical applications like CRM platforms, video conferencing, or remote support tools.
2. Increased vulnerability: Security-wise, memory strain can delay browser updates, interfere with endpoint protection agents, and increase the likelihood of crashes or unresponsive sessions, which attackers may exploit. According to Chrome DevTools, memory bloat and leaks can compromise performance and stability, especially when background processes fail to release resources.

» Here’s how to increase IT efficiency in your organization

Step-by-step guide to reducing Chrome memory usage

Step 1: Figure out what’s using so much memory

Chrome has a built-in Task Manager utility that shows you a list of active tabs, extensions, and background processes, along with their memory footprint, CPU usage, and network activity.

To open it, either press Shift + Esc with the Chrome window active or navigate through Menu > More Tools > Task Manager.

Next up, inside the Task Manager, click “Memory footprint” to sort the processes by highest memory usage, then scan through them to figure out what’s consuming the most resources.

Most of the highest usage processes will be active tabs or webpages that you’ll be using, but if you spot any hidden ones you didn’t know were open, feel free to end the process. You might also see extensions currently running that you forgot were installed and now consume resources without offering anything. End those tasks as well for a temporary performance boost.

» Dig deeper with a complete PC diagnostics report

Step 2: Manage or remove unnecessary extensions

Managing Chrome extensions is one of the most practical ways to reduce memory consumption, especially in business environments where users might accumulate so many without realising.

Here’s how:

1. Open Chrome’s extension panel by navigating through Menu > Extensions > Manage extensions

Review each extension’s purpose and usage. If you saw something using too many resources in the built-in task manager, you can disable the extension here or remove it altogether.

Note: On Linux, you may need elevated permissions to remove some system-managed extensions.

Restart Chrome to apply the changes

» Learn more about Chrome extension file locations

Step 3: Clear browsing data

Clearing cache, cookies, and site data helps resolve loading issues and free up memory. Here’s how:

Open the Chrome Menu > Settings

Go to Privacy and security > Clear browsing data

Set the time range to “All time”, make sure all the checkboxes are selected, and click “Clear data”

» Here’s how to view Google Chrome download history

Step 4: Enable Memory Saver

Memory Saver is a built-in Chrome tool that allows Chrome to suspend inactive tabs automatically. They reload when revisted, freeing up memory in the meantime from tabs you may need in the future but not at the current moment.

Enable it by following these steps:

Go to Menu > Settings > Performance

Toggle Memory Saver on

Decide what level of Memory Saver you want, which tells Chrome how long it should wait before making each tab inactive. Choose Maximum if you’re trying to save as much memory as possible.

Step 5: Consider OS-level adjustments

Although this won’t necessarily reduce the amount of RAM that Chrome is using, configuring some specific things on your operating system could free up some memory from other sources so that Chrome’s impact feels less invasive.

Here are some things you can try:

• Windows: Use Task Manager > Startup Apps to disable non-essential background processes. Enable Memory Integrity and update GPU drivers via Device Manager to optimize hardware acceleration.
  
• macOS: Use Activity Monitor to identify memory-heavy background services. Disable unused login items in System Settings > Users & Groups.
  
• Linux: Adjust swappiness value (/proc/sys/vm/swappiness) to prioritize RAM over swap. Use htop to monitor Chrome threads and kill zombie processes.

» Found some unknown startup apps? Make sure no one else is in your system by checking Activity History in Windows

Step 6: Foster cultural changes

Once you’ve implemented all of the steps above, there are a few extra cultural changes you can make to encourage employees to use efficient browsing habits. Here’s what you can do:

• Limit open tabs: Encourage using bookmarks or tab grouping instead of keeping dozens of tabs active. Chrome’s Memory Saver can suspend inactive tabs automatically, but constantly having to wake up tabs can be time consuming, and it doesn’t solve the problem of suddenly opening more tabs than your RAM can handle.
• Audit extensions monthly: Employees should remove unused or redundant extensions periodically. It’s easy to forget how many extensions you have installed, especially in dynamic environments where employee roles and responsibilities change constantly.
  
• Close sessions properly: Avoid leaving Chrome running overnight. Restarting clears cached memory and resets background processes.
  
• Use profiles wisely: Separate work and personal profiles to prevent extension overload.

» Don’t miss our guide to coping with IT challenges in remote teams

Automate Chrome optimization across your entire organization

Chrome’s memory-hungry architecture doesn’t have to slow down your workforce. By implementing the right combination of built-in features, OS-level adjustments, and user education, you can significantly reduce browser-related performance issues and support tickets.

For enterprise IT teams managing Chrome deployments at scale, you can streamline the entire process with Atera. From deploying Memory Saver policies and automated cache clearing scripts to monitoring memory spikes across your fleet, Atera helps you standardize browser performance without manual intervention on every device. AI Copilot can help you generate custom scripts that can be deployed across your fleet from natural language queries like “Write me a script to flag devices that reach 95% RAM usage” and “Write me a script to automatically enable Chrome Memory Saver on devices with high RAM usage”, then deploy them to all endpoints across your fleet with the RMM platform.

» Interested? Learn more about Atera’s RMM platform or start your free trial