WebToolArc
Home / Base64 Tools / MIME Base64 Line Wrapper
Base64 Tools

MIME Base64 Line Wrapper

Normalize Base64 and wrap encoded output to RFC 2045 lines of no more than 76 characters, or remove MIME whitespace.

ReadyRFC 2045 Base64 transfer encoding limits encoded output lines to no more than 76 characters. Output uses CRLF line endings.

How to use this MIME Base64 Line Wrapper

Wrap or unwrap Base64 for MIME transfer encoding line length rules. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.