just something to make easier to read the json on steam pages.

mjsonr.user.js

// ==UserScript==
// @name         Make JSON readable.
// @namespace    https://gist.github.com/MalikQayum
// @version      0.1
// @description  just something to make easier to read the json on steam pages.
// @author       MalikQayum
// @include     /^https?://(store.steampowered|steamcommunity|partner.steam-api|partner.steamgames|(partner|api).steampowered).com/*/
// @include     /^https?://(steamcdn-a.akamaihd).net/*/
// @grant        none
// ==/UserScript==

var el =  document.getElementsByTagName('pre')[0];
if (typeof(el) != 'undefined' && el != null)
{
    var MjsonR = JSON.stringify(JSON.parse(document.getElementsByTagName('pre')[0].innerHTML), undefined, 4);

    if (/^[\],:{}\s]*$/.test(MjsonR.replace(/\\["\\\/bfnrtu]/g, '@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
        document.getElementsByTagName('pre')[0].innerHTML = "";
        output(MjsonR);
    }else{
        //do nothing.
    }
}

function output(MJR) {
    document.body.appendChild(document.createElement('pre')).innerHTML = MJR;
}