LevelDbOneTab
CAUTION: Restoring doesn't really work right now due to recent OneTab changes
Export data from Chrome or Vivaldi extension OneTab - https://chrome.google.com/webstore/detail/onetab/chphlpgkkbolifaimnlloiipkdnihall?hl=uk
This utilities extract data from leveldb database and store to json files, make zip file with date and time stamp.
I write it on C# with C++ dll.
Please install latest Microsoft Visual C++ Redistributable, if got errors - dll not found
https://support.microsoft.com/en-ph/help/2977003/the-latest-supported-visual-c-downloads