Tag: Decode Base64 String

Key Takeaway: Base64 decoding converts a Base64-encoded ASCII string back into its original binary or text format. It works by mapping each Base64 character to a 6-bit value, concatenating the bits, and splitting them into 8-bit bytes. Every language has built-in support: Python uses base64.b64decode(), JavaScript uses atob(), and Java uses Base64.getDecoder(). In the world…