Base64 output updates as you type.
Text or Base64 to encode.
Read-only result.
Encode or decode Base64
Paste plain text to create Base64, or switch to Decode to recover UTF-8 text. Conversion happens locally in your browser.
When Base64 is useful
Base64 represents binary or text data using printable characters. It is common in data URLs, email attachments, API payloads, and configuration files. It is encoding, not encryption.