reset safari certificates

[SOLVED] How Do I Fix Safari Certificate Error on Mac?

Safari, the default web browser on Mac, is known for its seamless browsing experience and robust security features. However, there are times when you might encounter a pesky “Certificate Error”  while trying to access certain websites. These errors can be frustrating, but they’re usually a result of security measures designed to protect you from potentially harmful websites. In this guide, we’ll walk you through the common causes of Safari certificate errors  on Mac and provide step-by-step solutions to help you resolve them.

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Part 1: Understanding Safari Certificate Errors

Part 2:common causes of safari certificate errors, part 3: how do i fix invalid certificate error on mac.

An “Invalid Certificate Error”  on Mac, specifically when encountered in a web browser like Safari, indicates that there is an issue with the SSL/TLS certificate presented by a website. SSL (Secure Sockets Layer) and its successor TLS (Transport Layer Security) are cryptographic protocols that provide secure communication over networks, such as the Internet. These protocols ensure that the data exchanged between a user’s device and a website’s server is encrypted and secure.

SSL/TLS certificates play a crucial role in this process by validating the authenticity of a website and establishing a secure connection. When you visit a website, your browser checks the website’s certificate to verify its identity. If the certificate is valid, properly issued by a trusted Certificate Authority (CA), and not expired, your browser establishes a secure connection. However, if there’s an issue with the certificate, you’ll see an “Invalid Certificate Error.”

Certificate errors in Safari  occur when the browser detects an issue with the SSL/TLS certificates used by a website to establish a secure connection. SSL/TLS certificates are digital documents that validate the identity of a website and encrypt data exchanged between the user and the website. When Safari encounters a problem with these certificates, it displays an error message to prevent users from accessing potentially unsafe websites.

There are a few common scenarios that can trigger an “Invalid Certificate Error” , Explore our step-by-step guide on resolving safari certificate errors  and enjoy uninterrupted browsing.

Expired Certificate: SSL/TLS certificates have an expiration date. If the certificate presented by the website has expired, your browser will flag it as invalid.

Untrusted Certificate Authority: If the certificate is not issued by a recognized and trusted Certificate Authority, your browser will treat it as invalid.

Certificate Chain Issues: SSL/TLS certificates are often issued in a chain, with an intermediary CA and a root CA. If any part of this chain is not properly configured or trusted, it can lead to an invalid certificate error.

Hostname Mismatch: The certificate is issued for a specific domain or hostname. If you’re trying to access the site using a different URL, your browser might consider the certificate invalid.

Self-Signed Certificates: Some websites use self-signed certificates instead of those issued by trusted CAs . While they can provide encryption, they’re not automatically trusted by browsers, resulting in an invalid certificate error.

Certificate Revocation: If the website’s certificate has been revoked due to security concerns, your browser will consider it invalid.

Mismatched Public and Private Key: If there’s a mismatch between the public key in the certificate and the corresponding private key on the server, it can lead to an invalid certificate error.

It’s important to note that while encountering an invalid certificate error can be frustrating, these errors are designed to protect users from potentially harmful websites and secure their data. In some cases, you might be able to proceed to the website if you’re certain it’s legitimate, but exercise caution when doing so.

If you encounter an invalid certificate error, it’s recommended to ensure that you’re accessing legitimate and secure websites. If you’re uncertain about the legitimacy of a website or the nature of the error, it’s best to avoid proceeding and potentially exposing your personal information to security risks.

It’s important to take these warnings seriously, as they are designed to protect you from potentially harmful websites and unauthorized access to your data. If you’re certain that the website you’re trying to access is legitimate, you can proceed with caution. However, exercise vigilance and ensure you’re visiting secure websites to avoid falling victim to online scams or security breaches.

Fixing an “Invalid Certificate Error”  on your Mac involves troubleshooting the underlying issues related to SSL/TLS certificates. Here’s a step-by-step guide to help you resolve this error:

Check Date and Time Settings: Click on the Apple menu in the top-left corner of your screen and select “System Preferences.”  Choose “Date & Time”  and ensure that the option to “Set date and time automatically”  is enabled. An incorrect system date and time can trigger certificate errors.

Clear Safari Cache and Cookies : Open Safari and click on “Safari”  in the top menu. Select “Preferences”  and navigate to the “Privacy”  tab. Click “Manage Website Data”  and remove stored data for the affected website. Cached data can sometimes cause certificate errors.

Update Safari: Outdated browsers can sometimes have issues with certificate validation. Check for updates by clicking the Apple menu, selecting “System Preferences,”  and then choosing “Software Update.”  Install any available updates for Safari.

Check the Website URL: Ensure you’re accessing the website using the correct URL and domain. Mismatched URLs can trigger certificate warnings.

Use a Different Browser: If the error persists in Safari, try accessing the website using a different browser like Google Chrome or Mozilla Firefox. This can help determine if the issue is specific to Safari.

Proceed with Caution: If you’re certain that the website is legitimate and you want to proceed despite the certificate error, you can often do so by clicking on the “Advanced”  or “Show Details”  option (if available) on the error page. However, exercise caution when bypassing warnings.

Check the Certificate Chain: Click on the “Advanced”  or “Show Details”  option on the error page to view the certificate details. Verify that the certificate chain is complete and issued by a trusted Certificate Authority. If there are any issues with the chain, it could trigger the error.

Contact Website Support: If you continue to experience the error, reach out to the support team of the website you’re trying to access. They might be able to provide insight or resolve the issue from their end.

Check for Network Interference: If you’re on a network with strict security settings, proxies, or firewalls, they might interfere with SSL/TLS connections. Try accessing the website from a different network to see if the error persists.

Update macOS: Ensure your macOS is up to date. Sometimes, system updates can include security patches that affect SSL/TLS certificate validation.

Scan for Malware or Adware: Use reputable antivirus or antimalware software to scan your Mac for potential malware or adware that might be causing certificate errors.

Remember that while some certificate errors can be bypassed, it’s crucial to exercise caution and only proceed if you’re confident about the legitimacy of the website. Invalid certificate errors are designed to protect your data and privacy, so avoid accessing websites that trigger these warnings unless you’re certain they’re safe.

Encountering a certificate error in Safari  on your Mac might be an inconvenience, but it’s a sign that your browser is working to keep you safe. By following the steps outlined in this guide, you can often resolve these issues and continue browsing securely. Remember, while there are workarounds like bypassing warnings, it’s always best to ensure that you’re visiting legitimate and secure websites to protect your personal information and sensitive data.

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How do I make Safari automatically use a particular client certificate for an entire site?

Using client certificates with Safari present a number of problems:

• Safari asks to select a client certificate on each page of the site (annoying)
• Safari might even re-ask you to choose a certificate on a page you've already visited, particularly if you have to update your client certificate

How can I fix these issues?

• ssl-certificate

3 Answers 3

Safari's client certificates and related preferences are stored in Keychain Manager with a kind of certificate .

When you select a certificate to use with a web site, it stores another entry in the Keychain Manager with a kind of identity preference . Unfortunately, by default it stores it only for the exact page you were on. Both the name and location are set to the URL of the page.

To fix this, you can just edit one of the identity preference entries and change the where section to the base URL, like https://somesslsite.com/ (the trailing slash is important!). I also update the name to the same thing to prevent confusion. You can then delete all of the other identity preference entries for that site.

If you have a certificate that expired and you've had to add a new one, I would recommend that you delete the old certificate entries and all of the related identity preference entries.

To find certificate and identity preference entries, open Keychain Manager, make sure All Items is selected, and search for the partial URL and/or certificate name as appropriate. You probably don't have many, so if that doesn't work just sort the list by kind and you should be able to find them easily.

NOTE: I'm answer this myself since I figured it out but wanted to persist the knowledge for myself and others.

• 2 Unfortunately, Safari keeps asking for each sub URL... :-/ –  Tafkadasoh Commented Sep 16, 2014 at 9:27
• removed comment. DanJs answer already explains that. –  Calon Commented Sep 14, 2015 at 13:05
• 1 Not that you have to update the location property. Name is not sufficient. –  andy Commented Oct 1, 2018 at 15:16

Partial paths and wildcards are now supported in more recent versions of OS X. So you can use the Keychain Manager to create an identity preference for an entire web site and/or domain.

Partial path example (note that the trailing slash is required!):

Wildcard example:

Full details here (from 'man security' page):

Prior to 10.5.4, identity preferences for SSL/TLS client authentication could only be set on a per-URL basis. The URL being visited had to match the service name exactly for the preference to be in effect. In 10.5.4, it became possible to specify identity preferences on a per-server basis, by using a service name with a partial path URL to match more specific paths on the same server. For example, if an identity preference for " https://www.apache-ssl.org/ " exists, it will be in effect for " https://www.apache-ssl.org/cgi/cert-export ", and so on. Note that partial path URLs must end with a trailing slash character. Starting with 10.6, it is possible to specify identity preferences on a per-domain basis, by using the wildcard character * as the leftmost component of the service name. Unlike SSL wildcards, an identity preference wildcard can match more than one subdomain. For example, an identity preference for the name *.army.mil will match server1.subdomain1.army.mil or server2.subdomain2.army.mil . Likewise, a preference for *.mil will match both server.army.mil and server.navy.mil .

• Worked for me (running Safari 7.0.1 on Mac OS X 10.9.1) –  Tafkadasoh Commented Dec 19, 2013 at 11:07
• The "File->New Identity Preference" menu item seems to have disappeared (as of Keychain Access 10.5). Now I can only find it in a contextual menu if I control-click on a certificate. –  jhfrontz Commented Jan 29, 2020 at 15:01
• Strange @jhfrontz... I am also running 10.5 and I still see the "File->New Identity Preference...". 4th item down under "New Keychain...". Are you sure you have a certificate selected? –  DanJ Commented Jan 30, 2020 at 16:33
• @DanJ aha, thanks. I was expecting it to be a generally available menu item. –  jhfrontz Commented Jun 23, 2020 at 14:07

I've been struggling with this myself and the above answer made me realize what was going on.

If you had a certificate for a website and it expired, what you should do is remove the old certificate. Then also remove the identity preference type items for that website. These old items are just as much expired as the certificate is. After you remove them, any new identity preference will be stored and used correctly.

• Remove old certificate
• Remove old certificate's identity preference items
• Add new certificate

Then you can browse to the website, select the new certificate from the list, this will be remembered for that specific web address. Currently we are at Safari 5.1.3 and this version will not use any wildcards for preferences, you will have to add the preference for each change in web address... Hope this helps someone, just putting it out there because I didn't find any complete answer.

• please refer to @apinstein answer for the correct way to do it –  dwery Commented Oct 10, 2013 at 12:50

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How to Clear SSL State on Mac in Different Browsers

Written By Jordan Baldo

Last updated: January 16, 2024

Almighty writing expert who is proficient in analyzing Mac issues and providing efficient solutions.

Encrypted and authenticated connections among computer networks may be established using the SSL (Secure Sockets Layer) protocol as well as its successor. How to clear SSL cache on Mac and remove all caches on Mac is explained here.

A digital record that connects a website's identification to something like an essential cryptographic pair made up of a private and public key. An internet browser may start a secure communication connection with a remote server using the HTTPS and TLS protocols.

Contents: Part 1. What Is An SSL Cache? Part 2. How Do I Clear My SSL Cache on Mac? Part 3. How to Clear SSL Cache in Different Browsers Part 4. Conclusion

Part 1. What Is An SSL Cache?

A secure connection between a website server and a website browser is established using SSL ( Secure Sockets Layer ), a type of security technology. Users are certain that the data is sent between the browser and web server while using this secure connection since it is in a secure manner.

The primary function of SSL serves to ensure security for Web traffic. Security in this context involves message integrity, confidentiality, and authentication. SSL is made up of two separate components: the server and the client.

The person that initiates transactions is known as the client, while the server is the component that responds to the client and arranges with encryption algorithms to determine which encryption suites should be employed for encryption.

Web browsers are the SSL client, while websites are the SSL server. A certification from the provider you used when you erase your previous one would be shown throughout the authentication procedure. Only if both the server and the client have certificates could an encrypted session be established.

What Happens If I Clear SSL Cache?

If you clear SSL cache on Mac, it solves the issues caused by certificates being cached. In normal computing, this should not be required since clearing your SSL state also happens when you reset your machine or, in certain situations, close your browser.

The most essential reasons that SSL is so important are that it enables the encrypting of information, which improves both security and trust, the padlock symbol in the URL bar of the browser indicates that your website is utilizing encrypted data, plus SSL may speed up your website.

Part 2. How Do I Clear My SSL Cache on Mac?

iMyMac PowerMyMac is a one-stop shop for all of your different Mac iOS problems. With only a few clicks, you can maintain great performance with this tool's sophisticated capabilities. There are several important aspects, including Privacy.

Get A Free Trial Now!

This software's Privacy feature will also assist you in preventing information leaking and help you clear SSL cache on your Mac. With the help of this tool, you are able to clear browser data and delete all histories too. This powerful tool can help you clear SSL cache on Mac and remove Google Drive cache files .

With Privacy, you can securely delete any browsing data from any Mac browser, including local storage files, tabs, downloads, cookies, and more. Check out the operation here to clear the SSL cache on Mac.

• Scan all of your Mac's browser history after running Privacy . Close any open browsers if you're using them this time to clear off further connected info.
• Click SCAN , you will see a list of all the browsers, recently used items, and program permissions on the left. On browsers, you may check every browsing information such as Visit History, Search History, Login History, Download History, Downloaded File History, Cookies, and Auto Fills Value.
• When you pick the data, you want to erase and press the CLEAN option, the chosen browsing data is immediately eliminated.
• How several files were cleaned and the amount of space that is already accessible on your hard drive are both shown in a " Cleaned Completed " window.

Part 3. How to Clear SSL Cache in Different Browsers

There is a possibility that your web browser may save some information about SSL Certificates in its cache from time to time. This might lead to some weird issues, such as a website giving the appearance that it is not secure even after a valid SSL Certificate has been deployed for use on the website. This is how you clear SSL cache on Mac.

Mozilla Firefox

• Open Mozilla Firefox.
• To access the library, go to the upper right of the said display and click upon that symbol that looks like three parallel lines.
• Select Previous Search
• Simply click the " Clear Recent History " button.
• Check the box next to Active Logins to make sure it's checked.
• When you are ready, press the OK

Chrome for Windows, Internet Explorer, and Microsoft Edge

It is necessary to do so by navigating the settings of the operating system so you can have a better understanding to how to clear SSL cache on Mac totally.

• Launch the Windows Start
• Try looking for " Internet Options " and then select it.
• Choose the Content tab within the dialogue box, which opens after clicking the button.
• Select the Clear SSL State

It is necessary to delete the cache in your browser in order to clear SSL cache on Mac.

• Open browser.
• To access the drawer, you must first click the symbol located at the upper right corner of the page.
• To access the History option, first access your history menu, and next click on the History choice inside this menu.
• Simply click the Clear Browsing Data
• Change the Time Span to All Time in the Settings
• Click the " Clear Data " button.

Part 4. Conclusion

The highest attention is always placed on security, and the process of migrating to a new internet security standard is now underway. After you have gained an understanding of what SSL is and how to clear SSL cache on Mac , you also have gained knowledge about the PowerMyMac program and the Privacy function that it offers. Make use of this program to quickly and simply remove the SSL cache on your Mac.

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Common SSL Certificate Errors and How to Fix Them

Last Updated: April 1, 2024 Fact Checked

As an Administrator

This article was co-authored by Gonzalo Martinez and by wikiHow staff writer, Travis Boylls . Gonzalo Martinez is the President of CleverTech, a tech repair business in San Jose, California founded in 2014. CleverTech LLC specializes in repairing Apple products. CleverTech pursues environmental responsibility by recycling aluminum, display assemblies, and the micro components on motherboards to reuse for future repairs. On average, they save 2 lbs - 3 lbs more electronic waste daily than the average computer repair store. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 64,691 times.

SSL certificates are special files used to encrypt connections to remote servers like websites. An SSL certificate error can occur if your web browser has a problem validating a certificate. If you get an SSL certificate error when visiting a website, there are a few things you can do to bypass it, including setting the date and time correctly, adding the website to a trusted list, and clearing cache and cookies. If you administer a website that's generating an SSL error, you'll need to resolve the issue on your server.

Fixing SSL Certificate Errors

• Make sure your computer's date and time are correct.
• Add the website to the list of trusted sites.
• Disable certificate revocation checks.
• Clear your SSL state.
• Clear your web browser's cache.
• Restore your web browser to its default settings.
• Contact the website administrator.

• NET::ERR_CERT_AUTHORITY_INVALID
• NET::ERR_CERT_COMMON_NAME_INVALID
• NET::ERR_CERT_REVOKED
• ERR_SSL_WEAK_EPHEMERAL_DH_KEY
• ERR_SSL_VERSION_OR_CIPHER_MISMATCH

• Right-click the date and time in the taskbar.
• Click Adjust date and time .
• Ensure Set time automatically is checked.
• Ensure Set timezone automatically is checked.

• Press the Windows key .
• Type internet options .
• Click Internet Options .

• Click the Security tab.
• Click the checkmark icon above "Trusted sites."
• Click Sites .
• Copy and paste the URL for the website below "Add this site to the zone."
• Click Add .
• Click Close .
• Click Apply .

• Click the Advanced tab.
• Uncheck "Check for publisher's certificate revocation" below "Security."
• Uncheck "Check for server certificate revocation" below "Security."

• In the Internet Options window, click the Content tab.
• Click Clear SSL state .

• You can also try a different web browser to see if that resolves the issue. For example, if you're using Microsoft Edge , try installing Chrome and checking to see if you can view the website there. If you get an SSL error on two different browsers, there's probably an issue with the certificate itself.

• Click the Apple icon.
• Click System Settings or System Preferences .
• Click General .
• Click Date & Time .
• Ensure "Set date and time automatically" is enabled.

• Press Command + Spacebar to open Spotlight search.
• Type keychain .
• Click Keychain Access to open the app.
• Click Login in the left pane.
• Click Certificates under "Category" in the menu to the left.
• Double-click the certificate that is giving you trouble.
• Expand the menu below "Trust."
• Select Always trust next to "When using this certificate."
• Enter your Mac password and click Update settings .
• If the certificate continues to give you trouble, you can right-click it and delete it. [4] X Research source

• Click ' Keychain Access to open the app.
• Click Certificates under "Category" on the left.
• Right-click the SSL certificate that is giving you trouble.
• Click Delete . [6] X Research source

• You can also try a different web browser to see if that resolves the issue. For example, if you're using Safari , try installing Chrome and checking to see if you can view the website there. If you get an SSL error on two different browsers, there's probably an issue with the certificate.

• Also check that the contact information, such as the email, is the same as the one under which your website is registered.
• You can get a wildcard SSL certificate to cover multiple subdomains as well as your main domain.

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You might also like.

• ↑ https://www.youtube.com/watch?v=mpc-1kIL9ec
• ↑ https://supportcenter.lexisnexis.com/app/answers/answer_view/a_id/1084255/~/clear-ssl-state-on-a-windows-operating-system
• ↑ https://support.zendesk.com/hc/en-us/articles/360000099508-Why-do-I-sometimes-get-incorrect-SSL-certificate-details-for-my-subdomain-
• ↑ https://www.bluehost.com/help/article/clear-locally-stored-ssl#apple
• ↑ https://www.freecodecamp.org/news/an-ssl-error-has-occurred-how-to-fix-certificate-verification-error/
• ↑ https://sematext.com/blog/ssl-certificate-error/

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How do I update/change Certificate Trust Settings?

I have an iPad Air (15th gen), which is fully updated. I want to see what certs. are installed, but I just see numbers and no link for editing.

I tried pressing on the numbers, but of course nothing happens.

I did the following: GENERAL > scrolling all the way to Trust Certificates> Tap arrows.

Hopefully someone out there may know!

Posted on Aug 19, 2023 2:29 PM

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Aug 20, 2023 10:42 AM in response to Prince_1999

Hello Prince_1999,

This is something typically done only by system administrators. This article may offer some additional insight: Trust manually installed certificate profiles in iOS and iPadOS - Apple Support . It explains:

"You must manually turn on trust for SSL/TLS when you install a profile that is sent to you via email or downloaded from a website.

If you want to turn on SSL/TLS trust for that certificate, go to Settings > General > About > Certificate Trust Settings. Under "Enable full trust for root certificates," turn on trust for the certificate.

Apple recommends deploying certificates via Apple Configurator or Mobile Device Management (MDM). Certificate payloads are automatically trusted for SSL when installed with Configurator, MDM, or as part of an MDM enrollment profile."

We hope this helps. Let us know if we can assist with anything else at all. Take care.

Aug 21, 2023 10:33 AM in response to Gena_D

Thank you so much for your reply and the helpful links!

My iPad does not give me options to do anything…there are just the 2 Trust Certs. on the page. Nothing else.

Is this something that I should just ignore, or should I look into it more?

Aug 21, 2023 1:45 PM in response to Prince_1999

Hey there Prince_1999,

It is normal to see this on your devices, whether on iPhone or iPad. Everyone has this on their device, with slightly different numbers. There is nothing to be concerned about.

Kind regards.

How to reset the Safari browser on your iPhone in 2 different ways

• You can reset Safari on an iPhone by clearing cookies and erasing your browsing history.
• There are two ways to reset your Safari data: through the Safari app itself, and through the Settings app.
• Both methods will let your clear both your browsing history and cookies.

If you're looking to clear your Safari data, simply removing your Frequently Visited sites isn't going to address privacy concerns if you have cookies stored, for instance.

Fortunately, it's easy to reset all your browsing history and settings. Here are two ways to do it, one directly through Safari, and the other through your iPhone's Settings.

How to reset Safari on iPhone through the browser

1. At the bottom of an open Safari page, tap the book icon .

2. At the top of the menu that opens, tap the clock icon to open your history.

3. Tap Clear at the bottom of the page. A prompt menu will open to warn that you'll clear your history, cookies, and other data over a selected time period. Tap All time to reset your browser.

How to reset Safari on iPhone through the Settings app

1. Open the Settings app on your iPhone.

2. Search for or scroll down to Safari and open it.

3. Tap Clear History and Website Data in blue about halfway down the page.

4. A prompt menu will pop up. Tap Clear History and Data and wait a few moments while the iPhone processes your request. Once it does, all your data will have been cleared.

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How to Reset Safari to Default Settings on Your Mac

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Use These 6 Smartphone Features to Spend Less Time on Social Media

Pegasus email scams are hitting inboxes: here's how to avoid them, this handy app lets you customize menus in windows explorer.

Safari helps you feel at home while browsing the web on a Mac. The latest iterations of Safari always bring improvements, but no browser is perfect. Over time, Safari tends to slow down, become sluggish, and feel unresponsive.

While Chrome and Firefox pack a reset button, this feature is missing from Safari. We will show you how you can reset Safari to default settings on your Mac.

First, Back Up Your Bookmarks

After you've used Safari for a while, you probably have a lot of sites saved in your Bookmarks and Favorites. It's a good idea to make a copy of your Bookmarks before you proceed. Since you'll remove every bit data related to Safari, you probably don't want to erase all your bookmarks.

To do this, launch Safari, select the File tab in the top menu bar, and click Export Bookmarks . You can either set a new name or let it use the default one if you don't mind it. Click Save to save a copy of those bookmarks.

You may also want to edit, organize, and manage those bookmarks that you've collected over years.

After you've reset Safari by following the methods below, you can import the HTML copy of your Bookmarks by going to File > Import From and selecting Bookmarks HTML File . Make sure to save the file somewhere safe in the meantime.

Clear the Browsing History in Safari

To start, you should run Safari's built-in history cleaner. This will remove cookies and other browsing data from everywhere you've visited. Thankfully, the process to remove your browsing history manually from Safari is quite straightforward.

Related: How to Clear Your Safari Browsing History and Data

After opening Safari, click on the Safari item in the top menu bar and select Clear History . A window will pop up; select All History from the dropdown list. Then click on the Clear History button to erase all that data from Safari.

Remove the Temporary Files and Cache

To improve your browsing efficiency, Safari stores the data for sites that you visit regularly as cache on your Mac and uses that to load elements faster than downloading them again. That cache takes up disk space and often contributes to Safari's performance woes.

It's thus a good idea to get rid of that old data when you're resetting Safari to its defaults. Here's how to clear Safari's temporary files and cache:

• While you have Safari running, open Safari > Preferences from the menu bar.
• A window will pop open. Head to the Advanced tab and select the check box for Show Develop menu in menu bar .
• The Develop menu will appear next to Bookmarks on the menu bar. Select Develop > Empty Caches or use Option + Cmd + E to quickly clear the web cache.

Delete All Cookies

Like other browsers, Safari stores site cookies whenever you visit websites. These cookies contain details about your interactions with the site, such as registration and form data, your cart contents, and similar. It's a good idea to remove those cookies when starting fresh.

Here's how you can clear all cookies from Safari:

• Launch Safari and in the menu bar at the top of the screen, go to Safari > Preferences .
• In the window that pops up, go to the Privacy tab and click the Manage Website Data button. That'll pop open a window showing the list of cookies in Safari.
• You can hold down Cmd to select cookies to remove individually, or click Remove All to delete the entire list.

Turn Off Website Access/Delete Safari Plugins

While Apple builds Safari for efficiency, some outside plugins and website access rules can cause Safari to slow down. It's best to ensure that those plugins ask you before Safari runs them. You can also confirm which sites can access your Mac's camera, microphone, and other settings.

With Safari open, go to Safari > Preferences in the menu bar on the top of the screen. Go to the Websites tab and check each item in the sidebar for website access. We recommend disabling Auto-Play , Camera , Microphone , Location , and Pop-Ups , unless you have some reason not to do so.

If you're using an older version of Safari that doesn't have these options, you can head to Safari > Preferences and click on Security > Plug-In Settings . Then set all the plugins to Ask before Safari runs them, and disable the ones you don't need.

Disable or Uninstall Safari Extensions

Unlike Chrome and Firefox, Apple allows only a handful of extensions to work with Safari. Even with this filtering, some of them might impact your browsing performance and slow everything down. Whether you use extensions for saving articles to Pocket or applying dark mode on every website, they could affect Safari.

You can disable these extensions by going to Safari > Preferences and clicking the Extensions tab. Uncheck each extension listed to disable it. To remove all of them, you'll need to select each extension and click on the Uninstall button in the adjacent pane.

You can always find and install new Safari extensions later after resetting the browser. Try to only install high-quality ones you absolutely need.

Reset Safari Using Terminal

Even after removing cookies, cache, browsing history, and extensions, Safari still has some underlying metadata. To wipe everything in a true sense, you can use the Terminal app.

Using the Terminal to reset Safari to its default state means you'll have to use a series of commands. Refer to our beginner's guide to the Mac Terminal for using it effectively.

To reset Safari using Terminal:

• Open the Terminal app (you can find it easily using Spotlight with Cmd + Space ).
• Next, open the Apple menu at the top-left corner of your screen. Click Force Quit and select Safari to completely close it.
• Enter the below commands commands, one line at a time. After you run each command, the Terminal will prompt for confirmation to delete said files. Type y to confirm, then hit Enter .

Reset Safari for a Fresh and Fast Browser Experience

Now you know how to effectively reset Safari to factory settings. It should feel faster after this—though all the sites you visit at first will take a couple of seconds to load completely, since they'll create new cookies and cache.

To get even more out of Safari, make sure you're applying the best Safari tweaks for a better experience.

• Safari Browser
• Browser Cookies

Trust manually installed certificate profiles in iOS, iPadOS, and visionOS

If you manually install a profile that contains a certificate payload in iOS, iPadOS, and visionOS, that certificate isn't automatically trusted for SSL. Learn how to manually trust an installed certificate profile.

This article is intended for system administrators for a school, business, or other organization.

You must manually turn on trust for SSL/TLS when you install a profile that is sent to you via email or downloaded from a website.

If you want to turn on SSL/TLS trust for that certificate, go to Settings > General > About > Certificate Trust Settings. Under "Enable full trust for root certificates," turn on trust for the certificate.*

Apple recommends deploying certificates via Apple Configurator or Mobile Device Management (MDM). Certificate payloads are automatically trusted for SSL when installed with Configurator, MDM, or as part of an MDM enrollment profile.

*If “Enable full trust for root certificates” doesn’t appear, you haven't installed any additional certificates.

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