Editora 0.18.3. Archived, so links from that release keep working. Read the 0.18.5 page →
Export Timeline to JSON…
markwhen.exportJson Export the parsed Markwhen timeline as a JSON file
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Export Timeline to JSON…, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.