This Obsidian plugin can easily help you export any article as an image.
Use the command export as a image in command palette (Press cmd/ctrl+P to enter the command) to generate a image. You can download it to your file system, or copy to clipboard.


Also, you can access this function from the editor menu:

[!NOTE] Due to device limitations, exporting images on mobile can only be saved to the current vault.
Search Export Image in community plugins.
To help experienced users write their own CSS styles, here is the combined DOM structure of the exported image.
<!-- Export Image Root -->
<div class="export-image-root markdown-reading-view">
<!-- Watermark Container -->
<div class="markdown-preview-view markdown-rendered export-image-preview-container">
<!-- Inline Title -->
<div class="inline-title"></div>
<!-- Metadata -->
<div class="metadata-container">
<div class="metadata-content">
<!-- Metadata Items -->
<div class="metadata-property">
<!-- Metadata Key -->
<div class="metadata-property-key">
<!-- Metadata Icon -->
<span class="metadata-property-icon"></span>
<!-- Metadata Name -->
<span class="metadata-property-name"></span>
</div>
<!-- Metadata Value -->
<div class="metadata-property-value"></div>
</div>
</div>
</div>
<!-- Note Content -->
<div>...</div>
</div>
<!-- Author Info -->
<div class="user-info-container">
<!-- Author Avatar -->
<div class="user-info-avatar"></div>
<div>
<!-- Author Name -->
<div class="user-info-name"></div>
<!-- Extra Info -->
<div class="user-info-remark"></div>
</div>
</div>
</div>