Autounfollow

var jqueryScript = document.createElement('script');
jqueryScript.src = "//code.jquery.com/jquery-3.3.1.min.js";
jqueryScript.onload = function(){

    // Important: change those text according to the text of the following button in your language
    // e.g in Spanish it would be "Seguido"
    let unfollowButtonText = "Following";
    // Recently, a new confirmation dialog appears asking if you really want to unfollow the user
    // change this text as well
    // e.g in Spanish it would be "Dejar de seguir"
    let unfollowConfirmationText = "Unfollow";

    // Prepare jQuery Selector for buttons that contain "Following"
    let selector = `button:contains('${unfollowButtonText}')`;

    // You need to wait 60 seconds after every unfollow, otherwise you will
    // be blocked temporary by the Instagram API and you'll see a 403 error in the network !
    let currentTime = 0;
    let step = 60 * 1000;

    // Query the button
    let unfollowButtons = $(selector);
    // Total of buttons found
    let totalUnfollowButtons = unfollowButtons.length;

    if(!totalUnfollowButtons){
        alert("Error: no Following buttons found, maybe change the text of the button?");
    }

    // Iterate on every button
    unfollowButtons.each(function(index){
        let button = $(this);

        setTimeout(function(){
            (function(i){
                console.log(`Unfollowing ${i} of ${totalUnfollowButtons}`);

                if(i == totalUnfollowButtons){
                    console.log("Script finished succesfully !");
                }

                button.trigger("click");

                // Important: recently, a confirmation dialog was added when  you click
                // on unfollow, so simply click the confirmation button as well to unfollow the user
                setTimeout(function(){
                    var btn = $(`button:contains('${unfollowConfirmationText}')`);

                    if(btn){
                        btn.trigger("click");
                    }
                }, 100);
            })(index + 1);
        }, currentTime);

        currentTime += step;
    });
};

// Inject Script !
document.getElementsByTagName('head')[0].appendChild(jqueryScript);