MIME Base64 Encoder (Email Lines, 76 chars)
Standard base64 produces one long line of output. MIME base64 (RFC 2045) inserts a line break every 76 characters — required for email message bodies where most mail transports have line length limits. This tool produces both forms side-by-side.
How to use the MIME Base64 Encoder (Email Lines, 76 chars)
Paste input text. Pick line length: 76 for MIME email, 64 for PEM (certificates), or no wrapping for inline use. Output updates live.