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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>
    <allimages>
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      <img name="Qorqyt.jpg" timestamp="2017-05-01T06:06:06Z" user="Moderator" url="http://kk.encyclopedia.kz/images/c/c9/Qorqyt.jpg" descriptionurl="http://kk.encyclopedia.kz/index.php/%D0%A1%D1%83%D1%80%D0%B5%D1%82:Qorqyt.jpg" ns="6" title="Сурет:Qorqyt.jpg" />
      <img name="KorkytAta_Memorial_Karmakshi_04.jpg" timestamp="2017-05-01T06:05:41Z" user="Moderator" url="http://kk.encyclopedia.kz/images/2/2a/KorkytAta_Memorial_Karmakshi_04.jpg" descriptionurl="http://kk.encyclopedia.kz/index.php/%D0%A1%D1%83%D1%80%D0%B5%D1%82:KorkytAta_Memorial_Karmakshi_04.jpg" ns="6" title="Сурет:KorkytAta Memorial Karmakshi 04.jpg" />
      <img name="Korkyt.jpg" timestamp="2017-05-01T05:56:49Z" user="Moderator" url="http://kk.encyclopedia.kz/images/9/9b/Korkyt.jpg" descriptionurl="http://kk.encyclopedia.kz/index.php/%D0%A1%D1%83%D1%80%D0%B5%D1%82:Korkyt.jpg" ns="6" title="Сурет:Korkyt.jpg" />
      <img name="Aralsea.jpg" timestamp="2017-05-01T05:06:26Z" user="Moderator" url="http://kk.encyclopedia.kz/images/c/c4/Aralsea.jpg" descriptionurl="http://kk.encyclopedia.kz/index.php/%D0%A1%D1%83%D1%80%D0%B5%D1%82:Aralsea.jpg" ns="6" title="Сурет:Aralsea.jpg" />
      <img name="Тойқазан.jpg" timestamp="2017-05-01T04:52:00Z" user="Moderator" url="http://kk.encyclopedia.kz/images/0/07/%D0%A2%D0%BE%D0%B9%D2%9B%D0%B0%D0%B7%D0%B0%D0%BD.jpg" descriptionurl="http://kk.encyclopedia.kz/index.php/%D0%A1%D1%83%D1%80%D0%B5%D1%82:%D0%A2%D0%BE%D0%B9%D2%9B%D0%B0%D0%B7%D0%B0%D0%BD.jpg" ns="6" title="Сурет:Тойқазан.jpg" />
      <img name="Dreams.metroeve_encyclopedia-dreams-meaning.jpg" timestamp="2017-05-01T04:37:58Z" user="Moderator" url="http://kk.encyclopedia.kz/images/1/10/Dreams.metroeve_encyclopedia-dreams-meaning.jpg" descriptionurl="http://kk.encyclopedia.kz/index.php/%D0%A1%D1%83%D1%80%D0%B5%D1%82:Dreams.metroeve_encyclopedia-dreams-meaning.jpg" ns="6" title="Сурет:Dreams.metroeve encyclopedia-dreams-meaning.jpg" />
      <img name="Казахстан3.jpg" timestamp="2017-04-29T15:52:20Z" user="Moderator" url="http://kk.encyclopedia.kz/images/a/a2/%D0%9A%D0%B0%D0%B7%D0%B0%D1%85%D1%81%D1%82%D0%B0%D0%BD3.jpg" descriptionurl="http://kk.encyclopedia.kz/index.php/%D0%A1%D1%83%D1%80%D0%B5%D1%82:%D0%9A%D0%B0%D0%B7%D0%B0%D1%85%D1%81%D1%82%D0%B0%D0%BD3.jpg" ns="6" title="Сурет:Казахстан3.jpg" />
    </allimages>
  </query>
</api>