Base64 Encoder / Decoder

Encode or decode Base64 text instantly. Commonly used for APIs, tokens, images, secure data, and web development.

What is Base64 Encoding?

Base64 is a binary-to-text encoding system used to safely transmit data across systems that only support text. It is heavily used in APIs, authentication, encryption workflows, images, and web development.

Common Uses of Base64

  • Embedding images directly inside HTML or CSS
  • Encoding JWT tokens, API keys, and session data
  • Transmitting binary data inside JSON payloads
  • Encoding data for safe URL transport

Example Base64 Output

SGVsbG8sIFV0aWxpdHlGbHV4IQ==