Base64

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data as ASCII characters. It is commonly used to embed images in HTML/CSS (data URIs), transmit data over text-based protocols (HTTP, email), and encode credentials in Basic authentication.

About this Base64 tool

This free online Base64 tool supports encoding and decoding for both text and images. Encode plain text or images to Base64, or decode Base64 strings back to text or images. Includes URL-safe mode and syntax-highlighted editors. All processing happens locally in your browser.