How is it different from Base64?

It swaps + and / for - and _ and drops padding, so it is safe in URLs.

JSON Web Tokens, cache keys and any place Base64 must sit in a URL.

🧷

Base64URL Encode

Encode text to URL-safe Base64, the variant used in JWTs and URLs. Local, free, no signup.

No signup100% in your browserFree forever

TEXT

BASE64URL

How is it different from Base64?: It swaps + and / for - and _ and drops padding, so it is safe in URLs.
Where is it used?: JSON Web Tokens, cache keys and any place Base64 must sit in a URL.