ChatGPT-Pro

ChatGPT-Pro exists to solve one very specific friction point: long prompts that exceed the model's token budget fail on submit, forcing a page refresh and a rewrite. The extension overlays a running token count on the ChatGPT interface so you can see exactly how much room you have left as the message grows.

Because the count updates in real time, you can edit, shorten, or split a prompt before committing to it. That makes the tool useful for anyone pasting documents, code blocks, or long research excerpts into ChatGPT, where it is easy to blow past the limit without noticing.

The extension is deliberately minimal. There is no account, no dashboard, and no data collection per the developer's disclosure; it is a small workflow utility published by foil.dev. It was last updated in 2023, so treat it as a simple helper rather than a feature that tracks every later ChatGPT change.