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="2017-08-08T15:33:21Z" />
  </query-continue>
  <query>
    <allimages>
      <img name="Share_almond_4.jpeg" timestamp="2017-12-01T12:44:27Z" user="Ashok24" url="https://wiki.securifi.com/images/f/f1/Share_almond_4.jpeg" descriptionurl="https://wiki.securifi.com/index.php?title=File:Share_almond_4.jpeg" ns="6" title="File:Share almond 4.jpeg" />
      <img name="Share_almond_3.jpeg" timestamp="2017-12-01T12:44:05Z" user="Ashok24" url="https://wiki.securifi.com/images/8/83/Share_almond_3.jpeg" descriptionurl="https://wiki.securifi.com/index.php?title=File:Share_almond_3.jpeg" ns="6" title="File:Share almond 3.jpeg" />
      <img name="Share_almond_2.jpeg" timestamp="2017-12-01T12:42:26Z" user="Ashok24" url="https://wiki.securifi.com/images/3/3b/Share_almond_2.jpeg" descriptionurl="https://wiki.securifi.com/index.php?title=File:Share_almond_2.jpeg" ns="6" title="File:Share almond 2.jpeg" />
      <img name="Share_almond_1.jpeg" timestamp="2017-12-01T12:40:07Z" user="Ashok24" url="https://wiki.securifi.com/images/d/d0/Share_almond_1.jpeg" descriptionurl="https://wiki.securifi.com/index.php?title=File:Share_almond_1.jpeg" ns="6" title="File:Share almond 1.jpeg" />
      <img name="ZEN-01_Thermostat.jpg" timestamp="2017-08-08T18:12:16Z" user="Ashok24" url="https://wiki.securifi.com/images/d/d6/ZEN-01_Thermostat.jpg" descriptionurl="https://wiki.securifi.com/index.php?title=File:ZEN-01_Thermostat.jpg" ns="6" title="File:ZEN-01 Thermostat.jpg" />
      <img name="PEQ_3157100.jpg" timestamp="2017-08-08T16:35:04Z" user="Ashok24" url="https://wiki.securifi.com/images/2/22/PEQ_3157100.jpg" descriptionurl="https://wiki.securifi.com/index.php?title=File:PEQ_3157100.jpg" ns="6" title="File:PEQ 3157100.jpg" />
      <img name="Climax_LS-1E-G-GZBS.jpg" timestamp="2017-08-08T15:52:15Z" user="Ashok24" url="https://wiki.securifi.com/images/f/fe/Climax_LS-1E-G-GZBS.jpg" descriptionurl="https://wiki.securifi.com/index.php?title=File:Climax_LS-1E-G-GZBS.jpg" ns="6" title="File:Climax LS-1E-G-GZBS.jpg" />
      <img name="Climax_SD-8SCZBS.jpg" timestamp="2017-08-08T15:47:18Z" user="Ashok24" url="https://wiki.securifi.com/images/4/42/Climax_SD-8SCZBS.jpg" descriptionurl="https://wiki.securifi.com/index.php?title=File:Climax_SD-8SCZBS.jpg" ns="6" title="File:Climax SD-8SCZBS.jpg" />
      <img name="Climax_CO-8ZBS.png" timestamp="2017-08-08T15:42:40Z" user="Ashok24" url="https://wiki.securifi.com/images/f/f9/Climax_CO-8ZBS.png" descriptionurl="https://wiki.securifi.com/index.php?title=File:Climax_CO-8ZBS.png" ns="6" title="File:Climax CO-8ZBS.png" />
      <img name="Climax_pss29.png" timestamp="2017-08-08T15:38:37Z" user="Ashok24" url="https://wiki.securifi.com/images/f/f1/Climax_pss29.png" descriptionurl="https://wiki.securifi.com/index.php?title=File:Climax_pss29.png" ns="6" title="File:Climax pss29.png" />
    </allimages>
  </query>
</api>