Is there an easy way to reverse pretty print of json in vim?

When I label images or text for Machine Learning purposes, I often export the results in a json format. Then, I can open it in vim and simply pretty print using

:execute '%!python -m json.tool'

I often add | w which automatically writes changes to the file.

Is there a way to reverse this process? To compact the json, so there are no redundant characters?

Example input:

{
    "name": "John",
    "email": "john@smith.co.uk"
}

Desired output:

{"name":"John","email":"john@smith.co.uk"}

I would be fulfilled with Vimish, Pythonish and Bashish solution.

As chepner mentioned in the comment the solution is to use:

:%!jq -c .

I have tested it and it works.

In case, one wants to save the file immediately, they can add | w to write changes.

This requires jq installed on the system which is quite a standard utility.