> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.whaller.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What are the optimal image sizes on Whaller?

The optimal sizes for an uploaded photo are as follows:

*   Portrait: 578 x 610 
    
*   Landscape: 607 x 390