Instant Base64 Encoder & Decoder

Encode plaintext strings to Base64 or decode hashes instantly inside your browser.

STEP 1

Type or paste your text into the input field.

STEP 2

Select whether to Encode or Decode instantly.

STEP 3

Copy your processed output with one click.

INPUT

OUTPUT

Ready

Why Use JustBase64?

Base64 encoding is widely used in web development for embedding assets, transmitting binary data over text-based protocols, and handling authentication headers. JustBase64 executes entirely within your browser's local JavaScript environment, ensuring complete security and zero server logging.