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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.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages aicontinue="DdnsOnRourer1.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="Bongo_login.PNG" timestamp="2015-06-19T05:20:20Z" url="https://lite.iridi.com/images/6/6f/Bongo_login.PNG" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Bongo_login.PNG" ns="6" title="Файл:Bongo login.PNG" />
      <img name="ChangeBtn.png" timestamp="2017-04-13T12:55:00Z" url="https://lite.iridi.com/images/5/5f/ChangeBtn.png" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:ChangeBtn.png" ns="6" title="Файл:ChangeBtn.png" />
      <img name="Cloud.PNG" timestamp="2015-06-18T11:38:41Z" url="https://lite.iridi.com/images/c/c4/Cloud.PNG" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Cloud.PNG" ns="6" title="Файл:Cloud.PNG" />
      <img name="CloudProjects.png" timestamp="2017-09-19T11:54:58Z" url="https://lite.iridi.com/images/d/d7/CloudProjects.png" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:CloudProjects.png" ns="6" title="Файл:CloudProjects.png" />
      <img name="Cloud_External_Connection.png" timestamp="2018-05-04T09:36:16Z" url="https://lite.iridi.com/images/2/2a/Cloud_External_Connection.png" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Cloud_External_Connection.png" ns="6" title="Файл:Cloud External Connection.png" />
      <img name="Cloud_licence.PNG" timestamp="2015-06-18T11:42:55Z" url="https://lite.iridi.com/images/f/f3/Cloud_licence.PNG" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Cloud_licence.PNG" ns="6" title="Файл:Cloud licence.PNG" />
      <img name="Cloud_mode.png" timestamp="2018-05-04T09:36:01Z" url="https://lite.iridi.com/images/1/1d/Cloud_mode.png" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Cloud_mode.png" ns="6" title="Файл:Cloud mode.png" />
      <img name="Cloud_panels.PNG" timestamp="2015-06-18T11:45:51Z" url="https://lite.iridi.com/images/e/e3/Cloud_panels.PNG" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Cloud_panels.PNG" ns="6" title="Файл:Cloud panels.PNG" />
      <img name="Create_project.JPG" timestamp="2015-06-18T11:28:44Z" url="https://lite.iridi.com/images/b/b0/Create_project.JPG" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Create_project.JPG" ns="6" title="Файл:Create project.JPG" />
      <img name="Create_project.PNG" timestamp="2015-06-18T11:29:57Z" url="https://lite.iridi.com/images/c/cb/Create_project.PNG" descriptionurl="https://lite.iridi.com/%D0%A4%D0%B0%D0%B9%D0%BB:Create_project.PNG" ns="6" title="Файл:Create project.PNG" />
    </allimages>
  </query>
</api>