Base64 Encoder/Decoder

Encode and decode Base64 strings with support for standard and URL safe formats.

Cleared

URL-Safe Base64
URL-Safe Base64 Toggle Toggle ON to enable URL-safe Base64 encoding/decoding, which can be used in URLs and filenames.

When URL-safe mode is enabled:
  • During encoding, + and / become - & _.
  • During decoding, - & _ become + and /.

Base64 Encoding/Decoding