My NFT contract’s tokenURI() generates base64 encoded data URIs for the image and animation_url, as well as for the metadata itself. So everything is on chain. This renders as expected on OpenSea. The MetaMask Firefox plugin renders only the image and not the animation_url. The MetaMask iPhone app …

Base64 encoded data: URIs in NFT metadata

KBeeTheCapybara April 20, 2023, 1:53pm 2

Hi,

This post should be able to help: