Piskel, free online sprite editor. A simple web-based tool for Spriting and Pixel art. Create pixel art, game sprites and animated GIFs. Free and open-source.

NFTs, as unique items on the blockchain, has a URI that points to data containing the metadata & the corresponding visuals. This URI can be an HTTP link, pointing to a video or image hosted on a normal server, or other services like IPFS (hash-based addresses), or Arweave (incentivized hosti