Base64 Encoder / Decoder

Encode or decode Base64 strings in real-time

Transform
0 bytes0 characters
0 bytes (0% of original)0 characters
Base64 Character Set
Standard:A-Z a-z 0-9 + / =
URL-Safe:A-Z a-z 0-9 - _

Base64 encoding increases data size by ~33%. URL-safe mode replaces + with - and / with _, and removes padding (=).

Examples