In What Folder Are Google Chrome Bookmarks Stored?by John Granby
Google Chrome is a popular Web browser that enables you to customize many features and to install some extensions that can make Chrome even more useful. It is not well documented exactly where Chrome stores your bookmark files. However, sometimes you need to find these files, such as when you want to delete a corrupt file, or when you want to back up the bookmarks. Whatever your reason for needing the location of the bookmarks files, before you modify them or delete them, you must exit Google Chrome. Otherwise it is likely Chrome will detect a change to the files and will restore them.
Location in Windows
Google Chrome stores the bookmark and bookmark backup file in a long path into the Windows filesystem. The location of the file is in your user directory then in the path "AppData\Local\Google\Chrome\User Data\Default." If you want to modify or delete the bookmarks file for some reason, you should exit Google Chrome first. Then you can modify or delete both the "Bookmarks" and "Bookmarks.bak" files. These are found easily using the Windows Explorer on Windows 8 or the Explorer on Windows 7.
Location in Mac OS
Google Chrome stores the bookmark and backup bookmark file in the path "/Users/<your username>/Library/Application Support/Google/Chrome/Default." This directory is easiest to find using the Terminal program using the command-line interface. The Library directory is a hidden directory by default and you need to use a command-line script to show hidden folders in Finder. If you enable hidden folders in Finder, you can follow the directory path to modify, delete or back up your Chrome bookmarks files.
Location in Linux
Google Chrome stores bookmark files in the path "/home/<your username>/.config/google-chrome/Default/" or in "/home/<your username>/.config/chromium/Default/" depending on which version of Linux and Chrome you are using. It is best to get at these files from the command line because the "." character in front of "config" in the path indicates that ".config" is a hidden directory, and so it may not appear in some graphical file viewers. Once you get to these files you can modify, delete or copy them for backup.
Exporting Chrome Bookmarks
If you are looking for the Google Chrome bookmark file so you can back up your bookmarks, you can do so quickly from the Chrome bookmarks menu by exporting them to an HTML file. Then you can copy that exported file to your backup location or you can use this HTML file to import into another computer's Chrome bookmark file so you can keep your bookmarks synchronized. Export your bookmarks by clicking the menu icon which appears as three solid bars in the far right of the Chrome screen. Then click "Bookmarks" then "Bookmark manager" then click "Organize." Click "Export bookmarks" and navigate to the location you want to save your exported file. Click "Save."
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