You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allimages>
      <img name="Meat_chili_steam.jpg" timestamp="2017-12-08T14:22:14Z" user="Y8s" url="https://fixjunk.com/images/0/09/Meat_chili_steam.jpg" descriptionurl="https://fixjunk.com/index.php?title=File:Meat_chili_steam.jpg" ns="6" title="File:Meat chili steam.jpg" />
      <img name="Meat_chili_closeup.jpg" timestamp="2017-12-08T14:19:34Z" user="Y8s" url="https://fixjunk.com/images/4/41/Meat_chili_closeup.jpg" descriptionurl="https://fixjunk.com/index.php?title=File:Meat_chili_closeup.jpg" ns="6" title="File:Meat chili closeup.jpg" />
      <img name="De-icer-jugs.jpg" timestamp="2014-01-02T17:41:02Z" user="Y8s" url="https://fixjunk.com/images/f/fe/De-icer-jugs.jpg" descriptionurl="https://fixjunk.com/index.php?title=File:De-icer-jugs.jpg" ns="6" title="File:De-icer-jugs.jpg" />
      <img name="Trunk_sub_2.jpg" timestamp="2008-02-09T14:47:32Z" user="Y8s" url="https://fixjunk.com/images/2/28/Trunk_sub_2.jpg" descriptionurl="https://fixjunk.com/index.php?title=File:Trunk_sub_2.jpg" ns="6" title="File:Trunk sub 2.jpg" />
      <img name="Trunk_sub_1.jpg" timestamp="2008-02-09T14:46:50Z" user="Y8s" url="https://fixjunk.com/images/7/7b/Trunk_sub_1.jpg" descriptionurl="https://fixjunk.com/index.php?title=File:Trunk_sub_1.jpg" ns="6" title="File:Trunk sub 1.jpg" />
      <img name="Amp4_u5.jpg" timestamp="2008-02-05T18:40:46Z" user="Y8s" url="https://fixjunk.com/images/1/1f/Amp4_u5.jpg" descriptionurl="https://fixjunk.com/index.php?title=File:Amp4_u5.jpg" ns="6" title="File:Amp4 u5.jpg" />
      <img name="Hihi_polar_raw.gif" timestamp="2007-11-18T23:50:01Z" user="Y8s" url="https://fixjunk.com/images/1/11/Hihi_polar_raw.gif" descriptionurl="https://fixjunk.com/index.php?title=File:Hihi_polar_raw.gif" ns="6" title="File:Hihi polar raw.gif" />
      <img name="Fixjunk.jpg" timestamp="2007-08-23T16:28:15Z" user="Wikiadmin" url="https://fixjunk.com/images/5/55/Fixjunk.jpg" descriptionurl="https://fixjunk.com/index.php?title=File:Fixjunk.jpg" ns="6" title="File:Fixjunk.jpg" />
    </allimages>
  </query>
</api>