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Encoding Formats — Cheat Sheet

Base64, URL encoding, HTML entities, JWT structure, and Unicode escapes reference.

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Base64 Encode/Decode Hex ↔ Base64 URL Encode/Decode HTML Entities JWT Decoder UTF-8 Encoder Base64 to Text Data URI Generator

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What is Base64 Encoding?

A beginner-friendly introduction.

How Base64 Encoding Works

Step-by-step algorithm breakdown.

Base64 vs Encryption

Why encoding is not security.

How to Decode JWT Tokens

Inspect headers, payloads, and signatures.