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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.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages aistart="2019-09-19T13:24:34Z" />
  </query-continue>
  <query>
    <allimages>
      <img name="IGEM2018.png" timestamp="2019-09-20T13:45:30Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/b/b6/IGEM2018.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:IGEM2018.png" ns="6" title="File:IGEM2018.png" />
      <img name="Trivia.png" timestamp="2019-09-20T13:28:33Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/2/27/Trivia.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:Trivia.png" ns="6" title="File:Trivia.png" />
      <img name="Lunch_Su2019.jpeg" timestamp="2019-09-20T13:17:04Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/e/e0/Lunch_Su2019.jpeg" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:Lunch_Su2019.jpeg" ns="6" title="File:Lunch Su2019.jpeg" />
      <img name="MH4L-4.png" timestamp="2019-09-20T13:04:30Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/9/9c/MH4L-4.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:MH4L-4.png" ns="6" title="File:MH4L-4.png" />
      <img name="MH4L-3.png" timestamp="2019-09-19T19:47:52Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/b/b5/MH4L-3.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:MH4L-3.png" ns="6" title="File:MH4L-3.png" />
      <img name="MH4L-2.png" timestamp="2019-09-19T19:45:58Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/c/c3/MH4L-2.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:MH4L-2.png" ns="6" title="File:MH4L-2.png" />
      <img name="MH4L-1.png" timestamp="2019-09-19T19:44:07Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/c/cf/MH4L-1.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:MH4L-1.png" ns="6" title="File:MH4L-1.png" />
      <img name="Flow_Data.png" timestamp="2019-09-19T15:56:40Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/d/d8/Flow_Data.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:Flow_Data.png" ns="6" title="File:Flow Data.png" />
      <img name="BHR_Kit_Schematic.png" timestamp="2019-09-19T15:00:33Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/6/6b/BHR_Kit_Schematic.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:BHR_Kit_Schematic.png" ns="6" title="File:BHR Kit Schematic.png" />
      <img name="Picture2.png" timestamp="2019-09-19T14:55:18Z" user="Dennis Mishler" url="https://www.synbiocyc.org/wiki/images/7/77/Picture2.png" descriptionurl="https://www.synbiocyc.org/wiki/index.php/File:Picture2.png" ns="6" title="File:Picture2.png" />
    </allimages>
  </query>
</api>