Basic webpage to get your TMDB account id.
If someone has spare capacity somewhere to host it, feel free to get in touch and I'll add the link here.
Clone the repository on your local machine and open index.html in your browser.
In order to use this tool, you need to have API access through your TMDB account.
You need to ask for API access at this link (will open a new tab).
Once you have API access, you can simply fill in your API Read Access Token (v4 auth) in the textbox (Get it here).
And then click on the buttons in order to get your account ID.
The tool exactly follows the steps outlined in the TMDB API docs (will open a new tab).