Tools / Base64 Encoder

Base64 Encoder

Encode text to Base64 or decode it back. Accents, emoji and CJK all survive the round trip. Nothing is sent anywhere.

Text

Base64

URL-safe alphabet

The URL-safe variant swaps + and / for - and _ and drops the = padding, which is what most URL and filename consumers expect. Decoding accepts either alphabet whichever box it came from.