What is a mailto: link?
A mailto: link is an HTML link that opens the user's default email client with pre-filled fields when clicked. It's commonly used on websites for contact buttons.
Tool Categories
Free Mailto Link Generator | 1ClickTools
Build custom mailto: links with preset CC, BCC, subject, and body text. Copy or test the generated link instantly. Free.
Frequently Asked Questions
How do I add line breaks in the email body?
In the generated link, line breaks are encoded as %0A. Just type normally in the body field and the tool handles encoding automatically.
Can I use this on my website?
Yes, copy the generated mailto: link and use it as the href attribute of any HTML anchor tag: <a href='mailto:...'>Send Email</a>
Does this work with all email clients?
Yes, mailto: links work with any desktop email client (Outlook, Thunderbird, Apple Mail) and most webmail services when set as default.
How accurate is this mailto link generator tool?
All processing runs entirely in your browser using verified algorithms. Results are computed with full double-precision — no server-side rounding or data transmission occurs.