https://devtoolbay.com/ Short, practical engineering guides about encoding, JSON, security, URLs and naming. Every tool mentioned runs 100% in your browser. en Tue, 13 Oct 2026 06:46:00 GMT https://devtoolbay.com/articles/base64-vs-hex-encoding.html https://devtoolbay.com/articles/base64-vs-hex-encoding.html Base64 vs hex encoding compared: size overhead, readability, common use cases in JWTs, data URLs and git diffs — with a quick decision table for engineers. Mon, 12 Oct 2026 00:00:00 GMT https://devtoolbay.com/articles/how-to-decode-a-jwt.html https://devtoolbay.com/articles/how-to-decode-a-jwt.html Decode any JWT by hand or with a browser tool: how the three parts are encoded, which claims matter (sub, exp, iss, aud) and why decoding is not verification. 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