fharbe

// Names are ⊶ ✚

javascript:(function(d) {
    var b = d.body, l = d.location;
    if(!b) {
        alert('Please wait until the page has loaded.');
    } else {
        var z = d.createElement('script');
        z.src = l.protocol + '//bitly.com/a/bitmarklet.js';
        b.appendChild(z);

arelthia

function cleanstring(dirty){
	var smartchr = [ "’","‘","“","”","–","—","…", " ", '„', '‚' , '«','»', '‹', '›'];
	var correctchr = ["'", "'", '"', '"', '-', '-', '...', '', '"', "'", '"', '"', "'", "'"];

	var thestring = dirty;
	var regex; 
  	for (var i = 0; i < smartchr.length; i++) {
    	regex = new RegExp(smartchr[i], "g");
    	thestring = thestring.replace(regex, correctchr[i]);
	}	

Prof9

As of 7 November 2017 everyone has access to 280 characters in supported clients, so you no longer need this script!