Tag Firefox bookmarks so a cross-folder search works

Firefox lets you add tags to bookmarks through a Tags field, and its address bar can match those tags when you search. That gives you a way to find pages by topic even when you saved them in different folders. You can also browse a tag’s bookmarks through the Library’s tag selector. Mozilla’s bookmark tagging guide documents these options.

1. Choose a topic label for pages you have already bookmarked. Suppose a filing checklist is in a Personal folder and an agency page is in a Work folder. Use the same tag, such as taxes, for both. Choose a word you would think to search for later, and use it consistently.

2. Edit the first existing bookmark and add taxes in its Tags field. Finish the edit, then do the same for the second bookmark and any other saved links on that topic. Each bookmark needs the tag; their folders can stay as they are. Mozilla documents adding tags through the Tags field.

3. Type taxes in Firefox’s address bar and inspect the matches. Look for both the page from Personal and the page from Work. Finding only one familiar page would not confirm that you tagged both. The address bar can match bookmark tags, allowing this search to reach across folders.

4. Open the Library and use its Tags selector to choose taxes. Review the bookmarks under that tag. This gives you a focused way to spot a page you meant to include or one that does not belong. Mozilla documents the Library tag selector.

5. If your preferred term changes, use Firefox’s documented tag rename action. For example, filing might describe the group better than taxes. Search for the new term afterward so you know which word to use going forward.

Check the result against the pages you intended to group:

• Each bookmark has the intended label in its Tags field.
• The Library’s tag selector shows the expected pages, including one from each folder.
• Searching the tag in the address bar brings up the expected bookmarked pages.
• After a rename, the new term identifies the intended group.

If a page is missing, check that you bookmarked it and added the tag to that particular bookmark. Two pages covering the same subject do not acquire the same tag automatically. If the address bar offers more matches than you want to scan, use the Library’s Tags selector to review the group. If you discover two labels for the same topic, decide which term you want to keep before tagging more pages; Firefox’s rename option is available when your vocabulary changes. These checks follow Mozilla’s documented tagging and search behavior.

Mozilla’s folder guide describes moving bookmarks between folders. Tags answer a different retrieval need: the same topic can be found across folders without reorganizing each page’s location. When a source belongs to two projects, keep its current folder if that placement still helps, and add a shared topic tag for the cross-project search.

A tag describes a saved link; it does not preserve the web page. If that page changes or disappears, its tag cannot recover earlier content.

Documentation check: Mozilla Support 1, Mozilla Support 2, reviewed September 29, 2026. The menu paths and feature limits come from these pages; the result checks are steps for the reader. This workflow was not run in a live product profile. Check the current interface and your saved result before relying on either.