Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 strings back to readable text. Everything runs in your browser — nothing is sent to any server.
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to embed images in HTML/CSS, encode data in JWTs, transmit binary data over text-based protocols, and more.
JWT TokensEmail AttachmentsData URIsAPI PayloadsHTML Embeds