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Mailto Link Builder

Build a mailto: link with recipients, subject and body, properly URL-encoded.

Your files stay on this device

Files are processed in your browser, never uploaded. The site downloads code and assets to run the tools. No accounts or trackers.

Use Download to save this tool as one HTML file for offline use.

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About this tool

Compose a ready-to-use mailto: link with To, Cc, Bcc, subject and body fields, all correctly URL-encoded; everything is built locally in your browser.

Frequently asked questions

How do I use the link?
Paste it into an HTML anchor's href, a button, or a browser address bar; clicking it opens the visitor's default email client pre-filled.
Can I add line breaks in the body?
Yes. Newlines in the body field are encoded so they appear as real line breaks in the composed message.

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