Here are some applications for Android, with the exception of this Windows tool.
You may download them directly from the Google Play store onto your device.
Bookmark Sort & Backup (RETIRED - not available for new installations)
This application backs up and restores your browser bookmarks to and from your SD card. Useful when you reset your device to factory settings or upgrade to a new rom version.
Can sort alphabetically and fully manage the current bookmarks.
More details here.
DOES NOT WORK ON NEWER DEVICES USING CHROME AS WEB BROWSER
DOES NOT WORK WITH THIRD PARTY BROWSERS