Skip to main content

Token URI Builder

Build valid ERC-721 and ERC-1155 metadata JSON files with a visual form, templates, validation, and one-click export.

|
Core Fields
*requiredHuman-readable name of the token. Displayed as the title on marketplaces.
*requiredDetailed description of the token. Supports markdown on some platforms.
*requiredURL to the token image. IPFS recommended (ipfs://Cid.../image.png).
Optional Fields
URL to a webpage with more info about the token. Shows as a link on OpenSea.
URL for multimedia: video (MP4), audio (MP3, WAV), 3D model (GLB, GLTF), or HTML page.
Background color hex (no #). Shown behind the image on OpenSea.
YouTube video URL. OpenSea will embed the video on the item page.
Attributes0 traits

No attributes. Click + Add Trait.

Custom Properties

No custom properties. Click + Add.

ERC-721
Standard
0
Fields
0
Traits
2B
Size
metadata.json2 bytes
{}
Previous: Soulbound Token Demo
Back to soulbound token simulator