Base64URL Encoder Online
Free online Base64URL encoder for JWT segments and tokens that must stay safe inside URLs.
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Free online Base64URL encoder for JWT segments and tokens that must stay safe inside URLs.
How it works
This tool encodes data in Base64 and converts it to the URL-safe variant by replacing characters and trimming padding. It’s commonly used in JWTs.
Example
Input:
{"alg":"HS256"}
Output:
eyJhbGciOiJIUzI1NiJ9FAQ
How is Base64URL different from Base64?
Base64URL replaces + and / with - and _, and often removes = padding to be safe in URLs.
When should I use Base64URL?
Use it for URL-safe encodings like JWT parts or tokens embedded in URLs.
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