How to Clear Autofill on Mac OS X

Just about every Mac browser has autocomplete (a.k.a. autofill) as a feature. And cleaning up autocomplete in each of these browsers can be a bit of a pain. So today, we'll go over how to clear autofill forms in each of the major browsers the quick way and the not-so-quick way.

The quick way? Using a Mac utility like CleanMyMac X. The not-so-quick way? Doing it manually.

Let's first take a look at CleanMyMac X.

How to Clear Autofill on Mac OS X with CleanMyMac X

CleanMyMac X makes it incredibly simple to clean up autofill on any (or all) browsers. To delete your entries from the browser Location Bar, Search Bar, and other form field drop-down lists:

  1. Download and launch CleanMyMac X (click here for free download).
  2. Select Privacy.
  3. Click on the browser you use in the middle menu and then checkmark "Autofill Values."
  4. Click Remove.
CleanMyMac X - Firefox in Privacy module

And that's all it takes to clean up autofill forms in all your browsers. As you can see, CleanMyMac X makes it incredibly simple to clean your Mac of not-so-common junk. It helps you clean up your Mac system, iTunes, Mail, and so much more. Download CleanMyMac X and get yourself a faster, cleaner Mac right now!


All of the steps outlined below apply to older Mac OS X versions and newer macOS versions.

How to Clear Autofill in Safari on Mac OS X manually

You can delete your entire autocomplete lists from Safari with a few steps:

  1. Launch Safari.
  2. Click "Safari" in the menu bar on the top-left side of the screen.
  3. Click on "Clear History and Website Data…"
  4. Click on "the last hour" and change it to "all history."
  5. Click "Clear History."
How to clean Safari autofill forms

And that's it for Safari. If you use other browsers, be sure to follow the steps for them, too.

How to Delete Autofill forms in Chrome on Mac OS X manually

Cleaning autocomplete history in Chrome is, like Safari, a few steps:

  1. Launch Chrome.
  2. Click "History" in the menu bar on the top-left side of the screen.
  3. Select "Show Full History" at the bottom.
  4. Click "Clear Browsing Data…"
  5. Checkmark "Browsing history," "Cookies and other site and plugin data," "Passwords," and "Autofill form data."
  6. Click "Clear browsing data."
How to clean Chrome autofill forms

And you're done! Be sure to follow the other browser steps if you use other browsers.

How to Clean Autofill in Firefox on Mac OS X manually

Clearing autocomplete in Firefox is, you guessed it, a few steps:

  1. Launch Firefox.
  2. Click the three-line, hamburger button in the top-right corner of the window.
  3. Select "History."
  4. Click "Clear Recent History…"
  5. Change "Last Hour" to "Everything."
  6. Make sure you checkmark the "Form & Search History" box as well as anything else you wish to clear.
  7. Click "Clear Now."
How to clean Firefox autofill forms

And that's it! But why dig through history in each of your browsers if you can clean all autofill data in a click? CleanMyMac X will do that for you — plus, it will remind you to clean up autofill entries again as they pile up. Download CleanMyMac X, schedule a reminder, and never have to deal with autocomplete data again.