[Home](./index.md) > [@digitalpersona/core](./core.md) > [Base64Url](./core.base64url.md) > [fromJSON](./core.base64url.fromjson.md) ## Base64Url.fromJSON property Encodes a plain JSON object or a string to a Base64url-encoded string. Signature: ```typescript static fromJSON: (obj: string | object) => Base64UrlString; ```