How do I get the URL of the active Google Chrome tab in Windows?

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First, you need to download and install pywin32. Import these modules in your script:

import win32gui
import win32con

If Google Chrome is the currently active window, first get the window handle by:

hwnd = win32gui.GetForegroundWindow()

(Otherwise, find the Google Chrome window handle by using win32gui.FindWindow. Windows Detective is handy when finding out class names for windows.)

It seems the only way to get the URL is to get the text in the “omnibox” (address bar). This is usually the tab’s URL, but could also be any partial URL or search string that the user is currently typing.

Also, the URL in the omnibox won’t include the “http://” prefix unless the user has typed it explicitly (and not yet pressed enter), but it will in fact include “https://” or “ftp://” if those protocols are used.

So, we find the omnibox child window inside the current Chrome window:

omniboxHwnd = win32gui.FindWindowEx(hwnd, 0, 'Chrome_OmniboxView', None)

This will of course break if the Google Chrome team decides to rename their window classes.

And then we get the “window text” of the omnibox, which doesn’t seem to work with win32gui.GetWindowText for me. Good thing there’s an alternative that does work:

def getWindowText(hwnd):
    buf_size = 1 + win32gui.SendMessage(hwnd, win32con.WM_GETTEXTLENGTH, 0, 0)
    buf = win32gui.PyMakeBuffer(buf_size)
    win32gui.SendMessage(hwnd, win32con.WM_GETTEXT, buf_size, buf)
    return str(buf)

This little function sends the WM_GETTEXT message to the window and returns the window text (in this case, the text in the omnibox).

There you go!

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