[Home](./index.md) > [@digitalpersona/core](./core.md) > [Base64Url](./core.base64url.md) > [fromBase64](./core.base64url.frombase64.md) ## Base64Url.fromBase64 property Converts a Base64-encoded string to a Base64url-encoded string. Signature: ```typescript static fromBase64: (s: Base64String) => Base64UrlString; ```