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Browse all expert articles, guides, and tools related to base64.
JWTs look like scrambled text but are just three base64url-encoded segments. Learn their structure, how to decode one safely, and why decoding is not the same as verifying.
Base64 turns binary data into plain ASCII text, at the cost of about 33% more size. Here is how the encoding works, a real example, and the situations where you genuinely need it.