Best JWT Libraries for Every Programming Language in 2026
Choosing the right JWT library can make or break your authentication implementation. A poorly maintained library might leave you vulnerable to known attacks like algorithm confusion or token forgery, while a well-designed one handles signature verification, claim validation, and key management out of the box. This guide evaluates the best JWT libraries across eight programming languages, comparing them on algorithm support, API design, maintenance activity, and real-world adoption. Whether you are building a microservice in Go, a REST API in Python, or a full-stack application in TypeScript, you will find the right tool here. ...