What are the «Product Thumbnail» requirements for an extension in the Magento Marketplace?

[dmitry_fedyuk (Dmitrii Fediuk)]

The product thumbnail is used as an icon to represent the extension in Marketplace search results and listings.
You can upload one thumbnail image to the profile.
Maximum size: 5 MB; File types: JPG (JPEG), PNG

docs.magento.com/marketplace/user_guide/extensions/extension-profile.html

[dmitry_fedyuk (Dmitrii Fediuk)]

See also:

• How to set «Product Thumbnail» for an own Magento Marketplace extension?
• The Magento Marketplace’s marketing review guidelines