Preamble:
So you exported your precious Firefox bookmarks to a html file.
You expect there is nothing but links to the websites you collected, but nooooo, there are more things included in the file than links to websites.
This tool will strip these meta data.
Options:
The default checked ones are safe to remove without breaking user customized functions.
For each bookmark, will do the following:
Remove ADD_DATE attribute
    ADD_DATE attribute records the date when the bookmark is added.
Remove LAST_MODIFIED attribute
    LAST_MODIFIED attribute records the latest date when the bookmark is modified.
Remove LAST_CHARSET attribute
    LAST_CHARSET attribute records the character encoding of the site the bookmark linked to.
Remove ICON attribute
    ICON attribute stores a copy of the site favicon.
Remove ICON_URI attribute
    ICON_URI attribute records the URI of the site favicon.
Remove DD element
    DD element maps to the “Description” field in bookmark properties dialog in Firefox.
Remove TAGS attribute
    TAGS attribute maps to the “Tags” field in bookmark properties dialog in Firefox.
Remove SHORTCUTURL attribute
    SHORTCUTURL attribute maps to the “Keyword” field in bookmark properties dialog in Firefox.
Remove WEB_PANEL attribute
    WEB_PANEL attribute maps to the “Load this bookmark in the sidebar” checkbox in bookmark properties dialog in Firefox.
Process file:
Select bookmarks file to process (usually named bookmarks.html), then you will be prompted to save the processed file:
This tool runs in your browser only, your bookmarks file is not transmitted over the internet, not even a bit!