Change Extension

Install change-extension

// Menu: Change Extension
// Description: Drag and drop files to change their extension
// Author: John Lindquist
// Twitter: @johnlindquist

/** @type {File[]} */
let droppedFiles = await arg("Drop files")

let extension = await arg({
  placeholder: "Extension",
  hint: "ts, js, mp4, etc",
})

for await (let { path } of droppedFiles) {
  let tsPath = path.replace(/[^.]*$/, extension)
  mv(path, tsPath)
}