Heximo от irakli

Export your history as single .json file and then import back. You can use different predefined timelines or select your period with date input.

After installing , open Sidebar with Ctrl+B and switch to heximo from dropdown,
or use context menu item (extension adds an entry) to open extension sidebar directly.

The software is distributed AS IS, NO WARRANTIES ARE GIVEN OR IMPLIED.

https://github.com/irrum6/heximo