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-continue>
    <allimages aistart="2023-07-20T08:57:08Z" />
  </query-continue>
  <query>
    <allimages>
      <img name="Leather_embossing_grain.jpg" timestamp="2023-07-31T07:03:37Z" user="Admin" url="https://www.leather-dictionary.com/images/Leather_embossing_grain.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Leather_embossing_grain.jpg" ns="6" title="File:Leather embossing grain.jpg" />
      <img name="Leather_grain_02.jpg" timestamp="2023-07-31T06:02:20Z" user="Admin" url="https://www.leather-dictionary.com/images/Leather_grain_02.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Leather_grain_02.jpg" ns="6" title="File:Leather grain 02.jpg" />
      <img name="Leather_grain_01.jpg" timestamp="2023-07-31T05:49:39Z" user="Admin" url="https://www.leather-dictionary.com/images/Leather_grain_01.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Leather_grain_01.jpg" ns="6" title="File:Leather grain 01.jpg" />
      <img name="Sheepskin_Jacket.jpg" timestamp="2023-07-25T05:27:46Z" user="Admin" url="https://www.leather-dictionary.com/images/Sheepskin_Jacket.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Sheepskin_Jacket.jpg" ns="6" title="File:Sheepskin Jacket.jpg" />
      <img name="Drum_of_parchment_11.jpg" timestamp="2023-07-24T13:10:36Z" user="Admin" url="https://www.leather-dictionary.com/images/Drum_of_parchment_11.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Drum_of_parchment_11.jpg" ns="6" title="File:Drum of parchment 11.jpg" />
      <img name="Drum_of_parchment_10.jpg" timestamp="2023-07-24T13:10:10Z" user="Admin" url="https://www.leather-dictionary.com/images/Drum_of_parchment_10.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Drum_of_parchment_10.jpg" ns="6" title="File:Drum of parchment 10.jpg" />
      <img name="Braided_leather_strap-02.jpg" timestamp="2023-07-24T08:28:50Z" user="Admin" url="https://www.leather-dictionary.com/images/Braided_leather_strap-02.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Braided_leather_strap-02.jpg" ns="6" title="File:Braided leather strap-02.jpg" />
      <img name="Leather_seat_folds-01.jpg" timestamp="2023-07-24T07:20:03Z" user="Admin" url="https://www.leather-dictionary.com/images/Leather_seat_folds-01.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Leather_seat_folds-01.jpg" ns="6" title="File:Leather seat folds-01.jpg" />
      <img name="Leather_foil_detachment.jpg" timestamp="2023-07-24T06:12:30Z" user="Admin" url="https://www.leather-dictionary.com/images/Leather_foil_detachment.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Leather_foil_detachment.jpg" ns="6" title="File:Leather foil detachment.jpg" />
      <img name="Smooth_leather_pores_embossed_pigmented.jpg" timestamp="2023-07-20T11:27:12Z" user="Admin" url="https://www.leather-dictionary.com/images/Smooth_leather_pores_embossed_pigmented.jpg" descriptionurl="https://www.leather-dictionary.com/index.php/File:Smooth_leather_pores_embossed_pigmented.jpg" ns="6" title="File:Smooth leather pores embossed pigmented.jpg" />
    </allimages>
  </query>
</api>