Mailto Link Generator

A mailto link opens the visitor's email program with the recipient, subject and message already filled in. Getting the encoding right is the tricky part: spaces must be %20, line breaks %0D%0A, and characters such as & and ? must not break the link. This generator follows RFC 6068 and gives you the link as a plain URL, an HTML anchor and Markdown, ready to paste into a website, newsletter or document.

How to use this tool

1. Enter one or more recipients, separated by commas, plus optional Cc and Bcc.
2. Type the subject and the message body; line breaks are kept.
3. Change the link text for the HTML and Markdown versions.
4. Copy the format you need and test the link once on your own device.

Formula

mailto:to1,to2?cc=…&bcc=…&subject=encode(subject)&body=encode(body)

Header values are percent-encoded as UTF-8 with encodeURIComponent, so spaces become %20 and never +, and line breaks are sent as CRLF (%0D%0A) as RFC 6068 recommends. In addresses, characters such as % and ? are encoded; @, + and . stay as they are. The HTML version also escapes & as & inside the href attribute.

Example

To a@b.com with the subject Hi there gives mailto:a@b.com?subject=Hi%20there. Adding a body of "Line 1" and "Line 2" on separate lines appends &body=Line%201%0D%0ALine%202.