JSON Tools

Base64 Encode/Decode

Online Base64 encoding and decoding tool

Base64 Encoder/Decoder Guide

Encode text to Base64 or decode Base64 strings back to plain text.

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for encoding data in emails, embedding images in HTML/CSS, and transmitting data over text-based protocols.

Common Use Cases
  • Encoding images for data URIs
  • Encoding credentials for HTTP Basic Auth
  • Storing binary data in JSON
  • Email attachments encoding