I will fix nft metadata json errors for opensea and marketplaces

G
georgebernardd
G
georgebernardd
George B
Parte de la información aparece en idioma inglés.
fix nft metadata json errors for opensea and marketplaces
Pantalla completa
fix nft metadata json errors for opensea and marketplaces
Pantalla completa
fix nft metadata json errors for opensea and marketplacesfix nft metadata json errors for opensea and marketplaces

Acerca de este Servicio

Are your NFTs showing errors on OpenSea, missing traits, or broken metadata?

I provide professional NFT metadata fixing services to correct JSON issues, repair attributes, and ensure your NFTs display perfectly across marketplaces.

Whether your collection has upload errors, broken traits, or incorrect formatting, I will fix your NFT metadata so it becomes clean, valid, and marketplace-ready.

What I Fix:

  • NFT metadata JSON errors
  • Missing or broken attributes
  • OpenSea display issues
  • Trait & rarity mismatches
  • Metadata not updating correctly

Supported Blockchains:

  • Ethereum
  • Solana
  • Polygon

Ideal For:

  • NFT creators
  • Web3 startups
  • Developers
  • Existing NFT collections with errors

Message me before ordering for large collections or urgent fixes.

  • Operación

    • Desarrollo del generador
Mantenga sus activos e información seguros.

Los servicios de NFT se centran exclusivamente en el desarrollo y la programación.
Nunca compartas información confidencial con terceros y asegúrate de ser titular de todos los derechos necesarios sobre el activo subyacente. Leer sobre los NFT en Fiverr

Conoce a George B

George B

NFT metadata creation

  • DeReino Unido
  • Miembro desdeene 2026

  • Idiomas

    Inglés, Alemán, Francés, Español
I am a dedicated NFT metadata specialist with strong experience creating clean, scalable, and marketplace-ready JSON metadata for NFT collections of all sizes. I help artists, Web3 founders, and blockchain projects launch NFTs professionally across Ethereum, Polygon, and Solana. My focus is on accurate structure, proper trait formatting, and full compatibility with marketplaces like OpenSea and popular minting tools. I deliver reliable metadata that supports smooth launches, rarity tools, and long-term project growth.