I'd like some lint tools

[linkslice]

What type of request is this?

New tool idea

Clear and concise description of the feature you are proposing

I used jsonlint.com pretty regularly, but I'd rather not send my json outside to find formatting issues.

Is their example of this tool in the wild?

No response

Additional context

No response

Validations

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