; Win+U will be your trigger
#u:: {
    baseFolder := "C:\MyFolders"   ; ← EDIT this to whatever parent folder you want

    ; ensure base exists
    DirCreate(baseFolder)

    ; only run in real browsers
    winID := WinActive("A")
    proc := WinGetProcessName(winID)
    if !(proc = "chrome.exe"
      || proc = "firefox.exe"
      || proc = "msedge.exe"
      || proc = "brave.exe"
      || proc = "opera.exe")
        return

    ; grab & clean title
    title := WinGetTitle(winID)
    if !(IsSet(title) && Trim(title) != "")
        return
    clean := RegExReplace(title, '[/\\:*?"<>|]', "")
    if Trim(clean) = ""
        return

    ; build and create
    target := baseFolder . "\" . clean
    DirCreate(target)

    ; let you know
    TrayTip("Folder Created", clean, 3)
}