The primary bookmark file is named Bookmarks (no file extension). It is a JSON-formatted file that Chrome reads and writes to whenever you add, edit, or delete a bookmark.
However, the if there is a conflict — so manual backup remains useful, especially if you work offline or have multiple devices. Summary Table | Item | Value | |------|-------| | File name | Bookmarks (no extension) | | Backup file | Bookmarks.bak | | Full path | %localappdata%\Google\Chrome\User Data\Default\Bookmarks | | Hidden folder | AppData (hidden by default) | | Quick access | Windows + R → %localappdata%\Google\Chrome\User Data\Default | | File format | JSON (plain text) | | Multi-profile | Each profile has its own Bookmarks file | chrome bookmark location windows 10