What type of request is this?

New tool idea

Clear and concise description of the feature you are proposing

implement/integrate OpenAI token calculator. please see examples below.

nice to have if it can provide cost estimate based on the input tokens and selected model (chat-gpt 4, 4-mini, 4o, etc)

Is their example of this tool in the wild?

https://www.quizrise.com/token-counter
https://platform.openai.com/tokenizer

Additional context

Validations

• Check the feature is not already implemented in the project.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
• Check that the feature can be implemented in a client side only app (IT-Tools is client side only, no server).