Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to plain text — all in your browser.

About Base64

Base64 encodes binary data as ASCII text using 64 printable characters. It's widely used for embedding images in HTML/CSS, sending data in JSON APIs, and storing binary content in text-based formats.

All processing happens in your browser — your data is never sent to any server.