Use in developer console while on the desired CRM form page. Extracts all visible control labels from a Dynamics CRM form, and saves it as a .csv file. Useful for creating a template for data import based on a CRM form.

ExtractControlLabels.js

javascript: 
function getFrame() {
    var e = $('#crmContentPanel iframe:not([style*="visibility: hidden"])');
    return e.length > 0 && e[0].contentWindow.Xrm.Page.ui ? e[0].contentWindow : null
}
function download(e, t) {
    var n = document.createElement("a");
    if (n.setAttribute("href", "data:text/plain;charset=utf-8," + encodeURIComponent(t)), n.setAttribute("download", e), document.createEvent) {
        var a = document.createEvent("MouseEvents");
        a.initEvent("click", !0, !0), n.dispatchEvent(a)
    } else n.click()
}
var frame = getFrame();
if (null == frame) alert("Please make sure you are on an entity form and try again.");
else {
    var controls = [];
    frame.Xrm.Page.ui.controls.forEach(function(e) {
        if (e.getParent() && e.getControlType() != "subgrid" && e.getLabel()) controls.push(e.getLabel())
    }), download("controls.csv", controls.join())
}