It's very likely that at some point, while trying to troubleshoot a connection problem or a website loading error, someone recommended deleting your browser's cookie files . If you're not familiar with this term, don't worry; it's a common technical concept, but one that often causes confusion among users.
In this detailed article, we want to explain exactly what cookies are , why it's essential to clear them from your PC regularly, and, most importantly, we'll guide you step-by-step on how to delete them . We'll focus primarily on Google Chrome, the most widely used browser, so you can regain control over your privacy and your computer's performance.
What are cookie files and how do they work in detail?
In simple terms, cookies are small packets of data or text files that websites send to your browser (in this case, Google Chrome) during your visit. These files are stored on your hard drive and contain information about your activity on the pages you visit. Their main purpose is to allow the website to "remember" information about the user to improve the browsing experience.
But what information do they store exactly? Cookies can save anything from your username and password to avoid having to log in every time you return, to site settings preferences, your selected language, font size, or items you've added to a shopping cart in an online store. This allows the browser to recognize you , speeding up navigation and making websites more efficient.
It is essential to understand that not all cookies are the same. There are two main types of cookies, depending on their origin:
- Own cookies (First-party cookies): These cookies are created directly by the website displayed in your address bar. Their purpose is primarily functional, such as remembering that you are logged in or maintaining a page's accessibility settings.
- Third-party cookies: They are created by domains external to the site you are visiting. For example, if a news site inserts an ad from an advertising network or a widget from a social network, that external service places a cookie for track your behavior on different websites and offer you hyper-personalized advertising based on your interests.
In addition to their origin, there are variations according to their duration and persistence :
- Session cookies: They are temporary and are automatically deleted when you close your browser.
- Persistent cookies: They remain on the device for a certain time, either until they expire according to the date scheduled by the server or until the user deletes them manually.
Interestingly, the term "cookie" comes from the expression "fortune cookie" , alluding to the fact that these files contain "hidden information" about the user that the server can read later.
Why and how often should you delete cookies?
Although cookies make browsing easier, there are critical reasons to delete them periodically. The massive accumulation of this data can cause technical problems, slow down the system, and pose significant risks to user privacy.
Detailed benefits of performing a cookie cleanup:
- Troubleshooting loading and formatting errors: Sometimes, information stored in an old cookie conflicts with an updated version of the website. This can cause the page to fail to load, visual elements to appear misaligned, or constant access errors to occur. Deleting cookies forces the browser to download the latest version of the site.
- Advanced Privacy Protection: Deleting cookies removes the digital traces that marketing and analytics companies use to create a detailed profile of your habits, tastes, and online activity.
- Performance Optimization: Removing corrupt, old, or redundant files can optimize browser response speed and free up local storage space on your device.
- Security on shared devices: By clearing cookies, you prevent other people using your PC or mobile device from accessing your open social media sessions, emails, or bank accounts.
It's important to clarify that cookies do not contain sensitive personal information (such as files from your hard drive) unless you have voluntarily entered it into a form. However, the accumulation of tracking cookies allows for the inference of very precise personal data.
Regarding the recommended frequency , this should be adjusted to your usage profile:
- Average users: A monthly cleaning is sufficient to maintain browser hygiene and avoid occasional errors.
- Frequent users of online banking or shopping: Due to the sensitivity of the data, it is recommended to clean it every 2 or 3 weeks.
- Users concerned about privacy: They can opt for a weekly cleanup or, preferably, set up automatic deletion when logging off.
- Users with active ad blockers: Those who use tools like Stands Adblocker can space out manual cleanups more, as tracking cookies are blocked preventively.
How to delete cookies in Google Chrome for PC (Windows and Mac)
The process of deleting Chrome's cookies is quick and easy, but be aware of the consequences: open sessions on most websites will be closed, and you'll lose saved preferences (such as dark mode or language). Make sure you know your passwords or have a password manager before proceeding.
Method 1: Through the Settings menu (Step by Step)
Follow these detailed steps to perform a complete cleanup of your browser:
- Open the Google Chrome browser on your computer.
- Click on the icon of the three vertical points (options menu) located in the upper right corner of the window.
- In the dropdown menu, select the option "Settings".
- In the left sidebar, access the section "Privacy & Security".
- Click on the option "Cookies and other site data" (Depending on your version of Chrome, it may currently appear as "Third-party cookies").
- Select option "View all site data and permissions".
- On this screen, you'll see a comprehensive list of all the sites that have saved data on your device. You can search for a specific domain or, for a complete cleanup, click on "Delete all data".
Method 2: Quick access via the address bar
If you're looking for the quickest and most efficient way to avoid navigating through multiple menus, use this shortcut:
- Write chrome: // settings / clearBrowserData in the address bar and press Enter.
- The window will open immediately "Clear browsing data".
- On the "Basic" tab, check the box "Cookies and other site data".
- Choose the desired time interval from the drop-down menu (options: last hour, 24 hours, 7 days, 4 weeks or "Always" for a complete cleaning).
- Click on the "Delete data".
How to delete cookies from a specific website
There are situations where you don't want to close all your active sessions, but only resolve a loading error or a login issue on a specific page. To do this, follow these steps:
- Accede to Settings > Privacy & security > Cookies and other site data.
- Sign in "View all site data and permissions".
- Use the search bar at the top to type the exact domain name (for example, facebook.com o spotify.com).
- Click on the trash can icon or the button "Remove" next to the selected site and confirm the action in the pop-up window.
You can also quickly access this setting by typing chrome://settings/siteData in the address bar.
Advanced Management: Block and Control Third-Party Cookies
It's not always necessary to delete cookies once they're created; the most effective strategy is to prevent them from being saved in the first place. Chrome offers advanced options for managing third-party cookies, which are primarily responsible for aggressive advertising tracking.
Third-party cookie settings
- Go to Settings > Privacy and security > Third-party cookies.
- Here you can choose from the following behavior options:
- Allow third-party cookies: It is the standard operation where all sites can store data.
- Block third-party cookies: It prevents external sites from tracking your activity. It's the ideal option for privacy, although you should be aware that some sites might not function correctly if they rely on these external services.
Create exceptions for specific sites
If you have decided to block third-party cookies by default but need an educational portal, work tool, or specific service to function correctly, you can add it to the exceptions list :
- In the Third-Party Cookies section, look for the section "Sites that may use third-party cookies" and click "Add".
- Enter the web address. An advanced tip: if you want to include all subdomains of a website, use the format [*.]google.com (This will cover drive.google.com, calendar.google.com, etc.). You can also include IP addresses.
- Click on "Add"To remove the exception in the future, simply click on "Remove" to the right of the site.
Temporarily allow third-party cookies from the address bar
Sometimes, while browsing, you might notice that a page isn't working because third-party cookies are blocked. You can temporarily enable them without changing your global settings:
- In the address bar, at the top left, click the icon of Third-party cookies blocked.
- Activate the option Third Party Cookies for that specific site.
- Click on CLOSE and the page will reload automatically.
Note: If you do this in normal mode, the site will be added to the exceptions list for 90 days. If you are in Incognito mode, the exception will only last while the session is open.
How to automatically delete cookies when closing Chrome
For those who prioritize maximum privacy and don't want to perform manual cleanups, there's an automatic cleanup option . This ensures that every time you close all browser windows, Chrome immediately deletes saved data.
- Go to Settings > Privacy & security > Site settings.
- Enter the section "Additional Content Settings".
- Look for the option "Delete the data that websites save on your device when you close all windows" and activate it.
Delete Chrome cookies on Android and iOS devices
Mobility is key these days, and the accumulation of data on your mobile device can not only affect privacy but also slow down your device and consume unnecessary storage space. Here's how to clean up Chrome on smartphones and tablets.
On Android
- Open the Google Chrome app on your device.
- Touch the icon of three vertical points located in the upper right corner.
- Choose "Settings".
- Go to the section "Privacy & Security" and then click on "Clear browsing data".
- Choose the time interval (it is recommended to select "Always" for a complete cleaning).
- Check the box "Cookies and site data"For a deeper clean, also check "Cached images and files".
- Touch the button "Delete data" and confirm the action in the pop-up window.
On iPhone and iPad (iOS)
- Launch the Chrome app on your Apple device.
- Touch the three horizontal points (usually located in the lower right corner).
- Enter the menu "Settings".
- Look for the section "Privacy" and select the option "Clear browsing data".
- Adjust the desired time interval and check the box "Cookies, website data".
- Finally, click on "Clear browsing data" to complete the process.
What about the browser cache? Should we clear it too?
It's extremely common to confuse cookies with browser cache , but they are technically different concepts. While cookies store identity data, sessions, and preferences, the cache stores visual elements and large files (such as images, logos, CSS scripts, and HTML files) from the websites you visit.
The primary purpose of caching is to improve loading speed. When you visit a page a second time, the browser doesn't need to download the logo or background from a remote server; instead, it reads it directly from your local hard drive , making loading almost instantaneous.
However, the cache has a storage limit. When it's full, the browser discards the oldest items. The real problem arises when a website administrator updates the design or changes an image, but your browser continues to display the old cached version, causing the site to look misaligned, with broken images, or with other errors.
How to clear the cache in Google Chrome step by step
If you notice that a page is displaying incorrectly or feels slow, the best thing to do is clear the cache:
- Access the three-dot menu and go to "Clear browsing data" (or use the quick shortcut) chrome: // settings / clearBrowserData).
- Make sure the option «Cached images and files» is checked.
- Select the time interval "Always" to ensure that no old residue remains that could cause conflicts.
- Click on the "Delete data".
Performing a combined cleaning of cookies and cache is the most effective and recommended solution to resolve 90% of loading, formatting, and access errors on modern web pages.
Additional tools to protect your privacy: Cookie Blockers
Despite manual adjustments, managing cookies site by site can be exhausting and tedious. This is where specialized tools like Stands Adblocker come in , not only eliminating intrusive advertising but also integrating advanced privacy protection features.
An effective cookie blocker can scan consent banners and automatically delete non-essential cookies , keeping only those strictly necessary for the website to function. This drastically reduces the amount of data tracking platforms collect about your activity.
The main advantages of using this type of extension include:
- Distraction-free browsing: Remove annoying cookie banners and pop-up windows that interrupt reading.
- System resource savings: By not loading heavy tracking scripts, the browser consumes less RAM and CPU, resulting in a faster device.
- Enhanced Security: It blocks potentially malicious ads that attempt to install malware or spyware scripts through deceptive cookies.
- Free and light: Tools like Stands offer effective blocking without the need for monthly subscriptions and with minimal impact on system performance.
Frequently Asked Questions about data cleaning in Chrome
Should I delete cookies every day?
It's not strictly necessary or recommended. Doing it daily would be counterproductive, as you'd have to log in to each of your accounts every time you open your browser, which would be frustrating. A cleanup monthly or every 2-3 weeks It's the ideal balance between functionality and privacy.
What exactly happens if I delete all history and cookies?
You'll primarily experience three immediate effects: 1) All your active sessions on social media, email, and shopping sites will be closed. 2) You'll lose personalized preferences, such as dark mode or your default language on some websites. 3) Pages may take a few milliseconds longer to load the first time, as they need to generate new cookies and download items from the cache again.
Is it safe to accept all cookies from a website?
It depends on the site and the type of cookie. functional cookies They are safe and necessary for the site to operate. However, cookies from analysis, marketing or advertising They are not mandatory. If you are concerned about your privacy, it is best to reject marketing cookies and accept only technical or essential ones.
Are saved passwords deleted when cookies are removed?
No. Passwords saved in Chrome's account manager are stored separately from session cookies, unless you specifically select the option. "Passwords and other login data" In the browsing data deletion menu, your keys will remain secure in your user profile.
Can I make exceptions to keep cookies from certain sites?
Yes, Chrome allows you to add specific sites to a whitelist. Privacy and security > Third-party cookiesThis is useful for sites where you don't mind tracking in exchange for superior functionality, or where you need to keep the session open permanently.
Properly managing the information websites store on your device is essential for safe and smooth browsing. From manually deleting temporary files and cookies to using automatic settings and implementing ad-blocking tools like Stands Adblocker, you have complete control over your digital footprint. Maintaining a regular cleaning routine not only protects your privacy from advertising tracking but also ensures Google Chrome runs at peak efficiency, preventing formatting errors and optimizing the loading speed of your favorite pages.