mortido,
 
<!DOCTYPE html>
<html>
<head>
  <title>Untitled</title>
  <meta charset="utf-8">
  <style type="text/css">
  </style>
  <script>
document.addEventListener("DOMContentLoaded", ()=> {
let arr = [...document.querySelectorAll(".container")].map(div => {
  const [{value : url}, {value : title}] =  div.querySelectorAll(".activeInput");
  return {url,title}
});
console.log(arr) }
)
  </script>
</head>
<body>
<div class="creatives">
<div class="container">
<label><input class="activeInput" type="text" name="url" value="123"></label>
<label><input class="activeInput" type="text" name="title" value="312"></label>
</div>
<div class="container">
<label><input class="activeInput" type="text" name="url" value="asd"></label>
<label><input class="activeInput" type="text" name="title" value="das"></label>
</div>
</div>
</body>
</html>