Base64url
Base64url is a base64-based method to encode binary data as URL-encoded ASCII text so that the data can be transported in a URL.
It differs from base64 in that it forbids line separators and provides alternative character mappings for characters that have special meaning in URLs. For example, + in base64 becomes - in base64url and / in base64 becomes _ in base64url.
Base64 Encoder / Decoder
Input:
Encoded:
Decoded:
Base64url Resources
Deeper Knowledge on Base64url
JSON Web Encryption (JWE)
A format to represent encrypted data as base64url encoded JSON, defined by RFC 7516
JSON Web Tokens (JWT)
A method to represent claims based security values, defined by RFC 7519
Broader Topics Related to Base64url
Base64
A method to encode binary data as ASCII for transport over text-based protocols