Fix Grey Bookmark Stars in Firefox

A grey star at the end of the Firefox address bar often means one simple thing: the page in front of you is not bookmarked. Nothing is broken.

It becomes a real problem only when the star stays grey on a page you know you saved. Then a theme, an extension, or a damaged profile is the likely cause.

In this guide, I have covered:

What a grey star in Firefox actually means

You looked at the end of the address bar and the bookmark star came up grey instead of filled in. Most of the time that is not a fault. Firefox draws a different star for a page that is not saved yet, and a pale outline is exactly what an unbookmarked page should show.

Test it on a page you know you saved. If the star fills in there, the grey one was telling the truth and no theme or extension is involved. The Mozilla support discussion on grey bookmark stars is worth a read if you want to see the same reports from other users.

Confirm the page is really bookmarked

Not sure whether Firefox saved the page at all? Check the bookmark list before you change a single setting. This tells a normal unbookmarked star apart from a visual problem that hits every bookmark.

1. Open the Firefox menu.
2. Select Bookmarks.
3. Select Manage bookmarks or Show bookmarks, depending on your menu layout.
4. Open the matching folder and confirm that the page has an entry.

Or click the star while the page is open. If Firefox adds the page, the grey star was simply reporting the unbookmarked state. If the entry already exists and the star still looks wrong, the checks below are for you.

Check the bookmarks toolbar and the Library

The star is not the only place Firefox draws bookmark icons. Saved pages also show up on the Bookmarks Toolbar and inside the Library, so a problem confined to one of those views is local, not browser-wide.

1. Right-click the Bookmarks Toolbar and check whether Bookmarks Toolbar is checked.
2. Open the Firefox menu and select Bookmarks.
3. Open Bookmark Manager.
4. Find the affected bookmark and check whether its icon is grey in the Library too.

If the toolbar is hidden, turn it on and reload the page. A toolbar that never appears is a separate issue from a star that appears in the wrong colour.

Reset the Firefox theme

When the star looks faded next to everything else on the toolbar, suspect the theme first. Built-in and downloaded themes both control toolbar icon colours, and switching back to a default one takes under a minute.

1. Open the Firefox menu.
2. Select Add-ons and themes.
3. Open Themes.
4. Select the default light theme or another built-in option.
5. Close the add-ons page and check the star again.

TIP: Test one change at a time. If the star returns to normal after the switch, your installed theme was recolouring the toolbar icons, not damaging the bookmarks themselves.

Test without extensions

Plenty of extensions redraw toolbar buttons, and a few replace the bookmark star entirely. If the star is grey on every page, saved ones included, run Firefox in Troubleshoot Mode to see whether an add-on is responsible.

1. Open the Firefox menu.
2. Select Help.
3. Select More troubleshooting information.
4. Select Troubleshoot Mode.
5. Select Open and confirm that you want to continue.
6. Check the bookmark star while Troubleshoot Mode is running.

If the star looks right there, re-enable your extensions one at a time and restart Firefox after each. The extension that brings the grey star back is the one to remove or replace.

Check for a Firefox update

Did the star change colour right after a browser update or a theme refresh? Install any pending Firefox update before you reset anything, since toolbar and icon rendering fixes ship with ordinary releases.

1. Open the Firefox menu.
2. Select Help.
3. Select About Firefox.
4. Check whether Firefox reports an available update.
5. Select Update Firefox if one is offered, then reopen the browser.

Already on the latest version? Then the star is behaving as designed on unbookmarked pages, and the remaining steps are for genuinely broken icons. Our walkthrough on downloading and updating Firefox covers the version check in more detail.

Refresh Firefox if the problem affects the whole interface

Grey stars on saved pages, a toolbar that looks damaged, and no change in Troubleshoot Mode point at the profile. A refresh rebuilds settings and interface data while leaving your bookmarks in place.

It also resets add-ons and some site preferences, so read the confirmation prompt rather than clicking straight through it. Mozilla publishes the official Firefox refresh instructions.

To start it, open Help, select More troubleshooting information, then select Refresh Firefox and follow the prompts. Prefer to work from the settings side? Our guide to resetting Firefox browser settings explains what a reset changes and what it keeps.

Firefox keeps your bookmarks through a refresh, but add-ons and some preferences are reset. Sync or export your bookmarks before you confirm.

Check custom interface files

If you have ever dropped a stylesheet into your Firefox profile, a custom rule can repaint the star. Disable your custom styles and compare the toolbar with a stock install.

1. Open the Firefox menu.
2. Select Help.
3. Select More troubleshooting information.
4. Select Open Directory next to the profile information.
5. Open the chrome folder.
6. Open userChrome.css in a text editor.
7. Comment out or remove any rule that sets colours for bookmark or toolbar icons.
8. Save the file and restart Firefox.

Custom styles only load while the toolkit.legacyUserProfileCustomizations.stylesheets preference is switched on. If you rely on those files, check that the preference is still enabled in the configuration editor after an update.

What to do if the star is still grey

You have swapped the theme, disabled the extensions, updated, and the star still refuses to fill. Two quick comparisons will tell you where the problem lives before you rebuild the profile.

Open a private window and load a page you know is bookmarked. A filled star there but a grey one in your normal window means the fault sits inside your regular profile, not in Firefox itself.

Next, put the Bookmarks Manager and the Bookmarks Toolbar side by side. If the entry exists in the manager but the address-bar star stays hollow, the star is out of step with your saved data. Remove that entry in the manager and add the page again with the star.

Still stuck? Refresh the profile, then reinstall or update Firefox. Note which sites are affected and whether a private window behaves differently, because those two details separate a profile problem from a rendering glitch.

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