Base64 Encoder & Decoder

Encode: String ➜ Base64 UTF-8 safe

Input text

URL-safe Strip padding (=)

Base64 output

Decode: Base64 ➜ String UTF-8 safe

Base64 input

Treat as URL-safe Replaces “-”→“+”, “_”→“/” and auto-pads to length % 4 = 0.

Decoded text

Quick Utilities

“Swap” moves Encoder output into Decoder input (and vice-versa).