Base64 Encoding Comparison Table

Input plaintext (UTF-8):

Base64 alphabet (index → char):

Index	Char	Index	Char	Index	Char	Index	Char

Encoded result:

Per-chunk mapping (3 bytes → 4 chars):

Chunk #	Input bytes (decimal)	Input bytes (hex)	24-bit binary	6-bit groups (4)	Index → Char	Output quartet	Padding