Encode plain text to Base64 or decode Base64 back to readable text with live output.
Encode text strings into Base64 or decode Base64 data back to readable plain text with UTF-8 support.
Plain text strings or Base64 encoded character sequences.
Base64 encoded string or decoded UTF-8 plain text.
Encode HTTP Basic Auth credentials or decode Base64 payload data from API response logs.
All operations for this tool execute locally in your web browser memory using client-side WebAssembly, HTML5 APIs, or local JavaScript. Your files, text inputs, and generated data never touch our servers.
Yes. Our encoder uses UTF-8 byte encoding to support special characters, symbols, and emojis flawlessly.
Base64 represents binary data in an ASCII string format, commonly used in HTTP headers, data URIs, and email systems.