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Difference between the backed-up bookmarks (.JSON versus .html)

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I am totally lost with this question and have ended up wasting hours when i last tried to restore from backed up bookmarks. What is the difference between the .JSON and .html bookmarks and when to use which? Does the .html contain information that the .JSON does not? If I have both available, what is the BEST and easiest way to restore backed bookmarks? The last time I ended up hours trying to clean up the mess when I restored both bookmarks and ended up with duplicates.

I am totally lost with this question and have ended up wasting hours when i last tried to restore from backed up bookmarks. What is the difference between the .JSON and .html bookmarks and when to use which? Does the .html contain information that the .JSON does not? If I have both available, what is the BEST and easiest way to restore backed bookmarks? The last time I ended up hours trying to clean up the mess when I restored both bookmarks and ended up with duplicates.

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hello cor-el. Thank you for explaining. Now I understand the difference and the purpose of the .JSON and .HTML bookmarks.

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Restoring a JSON backup will replace all your current bookmarks (you get a warning about that), so if you already have bookmarks that you wish to keep then export them to an HTML file before restoring the JSON backup.
You can import that HTML file after you have restored the JSON backup to get your current bookmarks back (you need to remove duplicates).
You can't import a JSON backup to add (merge) bookmarks.

Importing bookmarks from an HTML file adds the imported bookmarks to the already existing bookmarks, so you may need to remove duplicates.
An HTML backup doesn't support tags and annotations, so if you want to preserve those then you need to use a JSON backup.
A JSON backup doesn't preserve the website favicons, so you need to visit a website to get back that favicon.


CheckPlaces: https://addons.mozilla.org/firefox/addon/10897

cor-el modificouno o

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hello cor-el. Thank you for explaining. Now I understand the difference and the purpose of the .JSON and .HTML bookmarks.

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Well, you explain the difference and the problems, but I see no explanation of HOW to restore JSON bookmarks into Firefox

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Bookmarks > Organize Bookmarks -> Import & Backup - Restore