You cannot just concatenate two JSON files. You must open both, copy the children array from one bookmark_bar into the other, ensuring you don't duplicate folder IDs (though Chrome regenerates IDs on startup).
with open('Bookmarks_clean', 'w') as f: json.dump(data, f, indent=2) Your bookmarks are just a text file. That is both terrifying (because they can corrupt) and liberating (because you have full control). Don’t rely solely on Chrome Sync—it’s a convenience, not a backup.
If your hard drive crashes or you switch operating systems, knowing exactly where Chrome stores its bookmarks can be the difference between digital amnesia and a clean recovery. Spoiler: They aren’t floating in the cloud (unless you turn sync on).
Here is a simplified structure:
