To change the logo in Trendyblog HTML Site Template, open your HTML file first.
Now find the following code in your HMTL file,
<a class="navbar-logo" href="index.html"><img src="assets/image/logo.png" alt="title" /></a>
Now replace the link with your own logo.
To change the logo in footer, find the following code,
<a class="navbar-logo mb-3" href="index.html"><img src="assets/image/logo.png" alt="title" /></a>
Note : If you want you can just replace the logo image too from the /assets/image folder