Text ↔ Base64
Encode or decode Base64 strings and images instantly — no data sent to any server.
Base64 is an encoding scheme that converts binary data into ASCII text. It's used to safely transmit data over systems that only handle text, such as email bodies and JSON APIs.
Base64 is commonly used for embedding images directly in HTML or CSS using data URIs, encoding authentication credentials in HTTP headers, and storing binary data in JSON or XML payloads.
Yes. All encoding and decoding happens entirely in your browser using JavaScript. No data is ever sent to our servers.